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1997-02-15 02:41 Miles Bader <miles@gnu.ai.mit.edu> * argp/argp-help.c: Gettextize sources. * argp/argp-parse.c: Likewise. 1997-02-13 22:32 Ulrich Drepper <drepper@cygnus.com> * features.h (__GLIBC_MINOR__): Bump to 1. * xlocale.h: New file. Wrapper around locale/xlocale.h. * Makefile (distribute): Add xlocale.h. * locale/Makefile (routines): Add ctype_l. * locale/ctype-extn.c: Update copyright. De-ANSI-declfy. Add __isblank_l, __toascii_l and __isascii_l. * ctype/ctype.h: Add definitions and declarations for *_l functions. * locale/Makefile (headers): Add xlocale.h. (routines): Add newlocale, duplocale, and freelocale. * locale/localeinfo.h (MAX_USAGE_COUNT): New macro. (struct locale_data): Add new fields mmaped and usage_count. Correct various declarations. * locale/C-collate.c: Define value for new fields mmaped and usage_count. * locale/C-ctype.c: Likewise. * locale/C-messages.c: Likewise. * locale/C-monetary.c: Likewise. * locale/C-numeric.c: Likewise. * locale/C-time.c: Likewise. * locale/loadlocale.c (_nl_load_locale): Initialize mmaped and usage_count fields. * locale/locale.h: Don't define locale_t here (moved to xlocale.h). Correct prototypes for __newlocale and __freelocale. Add prototype for __duplocale. * locale/findlocale.c (copy): Remove function. Use __strdup instead. (_nl_remove_locale): New function. * locale/nl_langinfo.c: Don't declare locale_data objects as const. * locale/setlocale.c: Likewise. * locale/weight.h: Change for use with locale objects. * locale/xlocale.h: New file. Define __locale_t type. * locale/newlocale.c: New file. Create new locale object. * locale/freelocale.c: New file. Destroy locale object. * locale/duplocale.c: New file. Create copy of locale object. * stdlib/Makefile (routines): Add strfmon_l. * stdlib/monetary.h [__USE_GNU]: Declare __strfmon_l. * stdlib/strfmon.c: Add support for use in extended locale model. * stdlib/strfmon_l.c: New file. * string/Makefile (routines): Add strcoll_l and strxfrm_l. * string/strcoll.c: Change for use in extended locale model. * string/strxfrm.c: Likewise. * string/strcoll_l.c: New file. Implement __strcoll_l function. * string/strxfrm_l.c: New file. Implement __strxfrm_l function. * wcsmbs/Makefile (routines): Add wcscoll_l and wcsxfrm_l. * wcsmbs/wchar.h [__USE_GNU]: Declare wcscoll_l and wcsxfrm_l. * wcsmbs/wcscoll.c: Change for use in extended locale model. * wcsmbs/wcscoll_l.c: New file. Implement __wcscoll_l function. * wcsmbs/wcsxfrm_l.c: New file. Implement __wcsxfrm_l function. * wctype/Makefile (routines): Add wcextra, wcfuncs_l, iswctype_l, and towctrans_l. * wctype/cname-lookup.h: Prepare for use in extended locale model. * wctype/iswctype_l.c: New file. Implement character classification functions for use with locale objects. * wctype/wctype.h: Declare functions for use with locale objects. * wctype/towctrans_l.c: New file. Implement __towctrans_l function for use with locale objects. * wctype/wcfuncs_l.c: New file. Implement wide character classification functions for use with locale objects. * wctype/wcextra.c: New file. Implement real functions for non-standard classification functions. * elf/ldd.bash.in: Don't use --data-relocs and --function-relocs parameters to ld.so. Use environment variables. * elf/ldd.sh.in: Likewise. * elf/rtld.c: Remove handling of --data-relocs and --function-relocs options. Instead read environment variables. * elf/link.h (receiver_fct): Add new argument to take error code. * elf/dl-error.c (_dl_signal_error): Call receiver function with another argument. * elf/dl-object.c (_dl_new_object): Create new object with list of names in l_libname member. * elf/dl-load.c (_dl_map_object_from_fd): Add name which was used to find to object to the list in the link_map variable. (_dl_map_object): Use _dl_does_name_match_p to compare with all available names of the object. Optimize handling of LD_LIBRARY_PATH a bit. * elf/rtld.c: Initialize l_libname member of _dl_rtld_map. * elf/dl-lookup.c (_dl_elf_hash): Optimize function. * elf/Makefile (routines): Add dl-version. * elf/link.h (hash_name_pair): New type. Group pointer to string and its hash value. (struct link_map): Change l_libname member to be a list of names, not a single pointer to a name. Add new members l_nversions and l_versions. (_dl_does_name_match_p): New function to test for all names of an object. Add prototypes for new lookup and versioning functions. * elf/dl-lookup.c (do_lookup): Add new argument and handle case when versioned symbol is requested. (_dl_lookup_symbol): Call do_lookup with another argument. (_dl_lookup_symbol_skip): Likewise. (_dl_lookup_versioned_symbol): New function. Handle lookup of versioned symbol. (_dl_lookup_versioned_symbol_skip): Likewise, similar to _dl_lookup_symbol_skip. * elf/dl-reloc.c (RESOLVE): Call _dl_lookup_versioned_symbol or _dl_lookup_symbol depending on availability of version information. * elf/dl-runtime.c (RESOLVE): Likewise. (fixup): Call elf_machine_relplt with additional argument to point to versioning information if available. * elf/do-rel.h (elf_dynamic_do_rel): Likewise. * elf/dl-open.c (_dl_open): Call _dl_check_map_versions to check for correct versions. * elf/dl-version.c: New file. Check library versions and extract version information for easier access. * elf/dlfcn.h [__USE_GNU]: Add prototype for dlvsym. * elf/dlvsym.c: New file. Implementation of function similar to dlsym, but looks for versioned symbol. * elf/elf.h: Add types and macros for versioning. * elf/rtld.c (dl_main): Check availability of needed versions. * sysdeps/alpha/dl-machine.h (elf_machine_rela): Add additional argument for version information. Call RESOLVE with additional argument. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/m68k/dl-machine.h: Likewise. * sysdeps/mips/dl-machine.h: Likewise. * elf/dlerror.c: Change comment to align with guidelines. * elf/dlopen.c: Likewise. * elf/dlsym.c: Likewise. * locale/programs/localedef.c: Implement --quiet option. * locale/programs/charset.h: Declare be_quiet variable. * locale/programs/locfile.h: Likewise. * locale/programs/charmap.c: Don't print warnings if quiet option was given. * locale/programs/ld-collate.c: Likewise. * locale/programs/ld-ctype.c: Likewise. * locale/programs/ld-messages.c: Likewise. * locale/programs/ld-monetary.c: Likewise. * locale/programs/ld-numeric.c: Likewise. * locale/programs/ld-time.c: Likewise. * locale/programs/locfile.c: Likewise. * Makefile (subdirs): Add argp. * catgets/catgets.c (catopen): Little code improvement. * posix/execl.c: Remove restriction to 1024 arguments. * posix/execle.c: Likewise. * posix/execlp.c: Likewise. * posix/getopt.c [_LIBC]: Define global objects with __ prefix and make regular names weak aliases. * posix/getopt1.c: Likewise. * posix/getopt.h [_LIBC]: Provide prototypes and declarations for __ protected forms. * posix/unistd.h: Add prototype for __sleep. * sysdeps/mach/sleep.c: Make sleep weak alias of __sleep. * sysdeps/posix/sleep.c: Likewise. * sysdeps/stub/sleep.c: Likewise. * sysdeps/unix/sysv/linux/sleep.c: Likewise. * ctype/ctype-info.c: Update copyright. * ctype/ctype.c: Likewise. * ctype/test_ctype.c: Likewise. * dirent/alphasort.c: Likewise. * dirent/list.c: Likewise. * gmon/bb_exit_func.c: Likewise. * grp/fgetgrent.c: Likewise. * grp/getgrent.c: Likewise. * grp/getgrent_r.c: Likewise. * grp/getgrgid.c: Likewise. * grp/getgrgid_r.c: Likewise. * grp/getgrnam.c: Likewise. * grp/getgrnam_r.c: Likewise. * hurd/alloc-fd.c: Likewise. * hurd/catch-exc.c: Likewise. * hurd/ctty-input.c: Likewise. * hurd/ctty-output.c: Likewise. * hurd/dtable.c: Likewise. * hurd/fchroot.c: Likewise. * hurd/fd-close.c: Likewise. * hurd/fd-read.c: Likewise. * hurd/fd-write.c: Likewise. * hurd/fopenport.c: Likewise. * hurd/get-host.c: Likewise. * hurd/getdport.c: Likewise. * hurd/getuids.c: Likewise. * hurd/getumask.c: Likewise. * hurd/hurd-raise.c: Likewise. * hurd/hurd.h: Likewise. * hurd/hurdauth.c: Likewise. * hurd/hurdexec.c: Likewise. * hurd/hurdhost.h: Likewise. * hurd/hurdid.c: Likewise. * hurd/hurdinit.c: Likewise. * hurd/hurdioctl.c: Likewise. * hurd/hurdkill.c: Likewise. * hurd/hurdlookup.c: Likewise. * hurd/hurdmsg.c: Likewise. * hurd/hurdpid.c: Likewise. * hurd/hurdports.c: Likewise. * hurd/hurdprio.c: Likewise. * hurd/hurdrlimit.c: Likewise. * hurd/hurdsock.c: Likewise. * hurd/hurdstartup.c: Likewise. * hurd/hurdstartup.h: Likewise. * hurd/intern-fd.c: Likewise. * hurd/intr-msg.c: Likewise. * hurd/intr-rpc.defs: Likewise. * hurd/intr-rpc.h: Likewise. * hurd/msgportdemux.c: Likewise. * hurd/new-fd.c: Likewise. * hurd/openport.c: Likewise. * hurd/pid2task.c: Likewise. * hurd/port-cleanup.c: Likewise. * hurd/port2fd.c: Likewise. * hurd/ports-get.c: Likewise. * hurd/ports-set.c: Likewise. * hurd/privports.c: Likewise. * hurd/report-wait.c: Likewise. * hurd/set-host.c: Likewise. * hurd/setauth.c: Likewise. * hurd/setuids.c: Likewise. * hurd/siginfo.c: Likewise. * hurd/sigunwind.c: Likewise. * hurd/task2pid.c: Likewise. * hurd/thread-cancel.c: Likewise. * hurd/thread-self.c: Likewise. * hurd/vpprintf.c: Likewise. * hurd/hurd/fd.h: Likewise. * hurd/hurd/id.h: Likewise. * hurd/hurd/ioctl.h: Likewise. * hurd/hurd/lookup.h: Likewise. * hurd/hurd/port.h: Likewise. * hurd/hurd/resource.h: Likewise. * hurd/hurd/threadvar.h: Likewise. * hurd/hurd/userlink.h: Likewise. * inet/ether_aton.c: Likewise. * inet/ether_aton_r.c: Likewise. * inet/ether_ntoa.c: Likewise. * inet/ether_ntoa_r.c: Likewise. * inet/gethstbyad.c: Likewise. * inet/gethstbyad_r.c: Likewise. * inet/gethstent.c: Likewise. * inet/getnetbyad.c: Likewise. * inet/getnetbyad_r.c: Likewise. * inet/getnetbynm.c: Likewise. * inet/getnetbynm_r.c: Likewise. * inet/getnetent.c: Likewise. * inet/getnetent_r.c: Likewise. * inet/getproto.c: Likewise. * inet/getproto_r.c: Likewise. * inet/getprtent.c: Likewise. * inet/getprtent_r.c: Likewise. * inet/getprtname.c: Likewise. * inet/getrpcbyname.c: Likewise. * inet/getrpcbyname_r.c: Likewise. * inet/getrpcbynumber.c: Likewise. * inet/getrpcbynumber_r.c: Likewise. * inet/getrpcent.c: Likewise. * inet/getrpcent_r.c: Likewise. * inet/getservent.c: Likewise. * inet/getservent_r.c: Likewise. * inet/getsrvbynm.c: Likewise. * inet/getsrvbynm_r.c: Likewise. * inet/getsrvbypt.c: Likewise. * inet/getsrvbypt_r.c: Likewise. * inet/herrno.c: Likewise. * inet/netgroup.h: Likewise. * ient/netinet/ether.h: Likewise. * intl/bindtextdom.c: Likewise. * intl/dcgettext.c: Likewise. * intl/dgettext.c: Likewise. * intl/gettext.c: Likewise. * intl/gettext.h: Likewise. * intl/gettextP.h: Likewise. * intl/hash-string.h: Likewise. * intl/loadmsgcat.c: Likewise. * intl/localealias.c: Likewise. * intl/textdomain.c: Likewise. * io/creat.c: Likewise. * io/getdirname.c: Likewise. * io/lockf.c: Likewise. * io/pwd.c: Likewise. * io/test-utime.c: Likewise. * locale/categories.def: Likewise. * locale/codeset_name.c: Likewise. * locale/lc-collate.c: Likewise. * locale/lc-ctype.c: Likewise. * locale/lc-messages.c: Likewise. * locale/lc-monetary.c: Likewise. * locale/lc-numeric.c: Likewise. * locale/lc-time.c: Likewise. * locale/loadlocale.c: Likewise. * locale/localeconv.c: Likewise. * locale/nl_langinfo.c: Likewise. * locale/setlocale.c: Likewise. * locale/strlen-hash.h: Likewise. * locale/programs/charmap-kw.gperf: Likewise. * locale/programs/charmap-kw.h: Likewise. * locale/programs/charset.c: Likewise. * locale/programs/ld-ctype.c: Likewise. * locale/programs/ld-messages.c: Likewise. * locale/programs/ld-monetary.c: Likewise. * locale/programs/linereader.h: Likewise. * locale/programs/locale-spec.c: Likewise. * locale/programs/locales.h: Likewise. * locale/programs/locfile-kw.gperf: Likewise. * locale/programs/locfile-kw.h: Likewise. * locale/programs/locfile-token.h: Likewise. * locale/programs/simple-hash.h: Likewise. * locale/programs/stringtrans.c: Likewise. * locale/programs/stringtrans.h: Likewise. * login/logout.c: Likewise. * mach/bootprivport.c: Likewise. * mach/devstream.c: Likewise. * mach/hello.c: Likewise. * mach/mach.h: Likewise. * mach/mach_init.c: Likewise. * mach/mach_init.h: Likewise. * mach/mig-alloc.c: Likewise. * mach/mig-dealloc.c: Likewise. * mach/mutex-init.c: Likewise. * mach/mutex-solid.c: Likewise. * mach/setup-thread.c: Likewise. * mach/spin-lock.h: Likewise. * mach/spin-solid.c: Likewise. * mach/mach/mig_support.h: Likewise. * md5-crypt/md5-crypt.c: Likewise. * misc/nlist.h: Likewise. * nss/nss_files/files-ether.c: Likewise. * posix/confstr.c: Likewise. * posix/execl.c: Likewise. * posix/execle.c: Likewise. * posix/execlp.c: Likewise. * posix/execv.c: Likewise. * posix/execvp.c: Likewise. * posix/fnmatch.c: Likewise. * posix/getopt.c: Likewise. * posix/getopt.h: Likewise. * posix/getopt1.c: Likewise. * posix/id.c: Likewise. * posix/regex.c: Likewise. * posix/setpgrp.c: Likewise. * posix/unistd.h: Likewise. * posix/wordexp.c: Likewise. * pwd/fgetpwent.c: Likewise. * pwd/getpwent.c: Likewise. * pwd/getpwent_r.c: Likewise. * pwd/getpwnam.c: Likewise. * pwd/getpwnam_r.c: Likewise. * pwd/getpwuid.c: Likewise. * pwd/getpwuid_r.c: Likewise. * pwd/putpwent.c: Likewise. * resolv/gethnamaddr.c: Likewise. * resolv/res_hconf.c: Likewise. * resolv/res_hconf.h: Likewise. * setjmp/longjmp.c: Likewise. * setjmp/sigjmp.c: Likewise. * setjmp/tst-setjmp.c: Likewise. * stdio/clearerr.c: Likewise. * stdio/ferror.c: Likewise. * stdio/fgetc.c: Likewise. * stdio/fgetpos.c: Likewise. * stdio/fgets.c: Likewise. * stdio/fileno.c: Likewise. * stdio/fmemopen.c: Likewise. * stdio/fopen.c: Likewise. * stdio/fopncook.c: Likewise. * stdio/fputc.c: Likewise. * stdio/fputs.c: Likewise. * stdio/fread.c: Likewise. * stdio/freopen.c: Likewise. * stdio/fseek.c: Likewise. * stdio/fsetpos.c: Likewise. * stdio/ftell.c: Likewise. * stdio/fwrite.c: Likewise. * stdio/getchar.c: Likewise. * stdio/getdelim.c: Likewise. * stdio/gets.c: Likewise. * stdio/glue.c: Likewise. * stdio/internals.c: Likewise. * stdio/linewrap.c: Likewise. * stdio/linewrap.h: Likewise. * stdio/memstream.c: Likewise. * stdio/newstream.c: Likewise. * stdio/putchar.c: Likewise. * stdio/puts.c: Likewise. * stdio/rewind.c: Likewise. * stdio/setbuf.c: Likewise. * stdio/setbuffer.c: Likewise. * stdio/setlinebuf.c: Likewise. * stdio/setvbuf.c: Likewise. * stdio/ungetc.c: Likewise. * stdio/vasprintf.c: Likewise. * stdio/vscanf.c: Likewise. * stdio/vsnprintf.c: Likewise. * stdio/vsprintf.c: Likewise. * stdio/vsscanf.c: Likewise. * stdio-common/asprintf.c: Likewise. * stdio-common/dprintf.c: Likewise. * stdio-common/errnobug.c: Likewise. * stdio-common/fprintf.c: Likewise. * stdio-common/getline.c: Likewise. * stdio-common/getw.c: Likewise. * stdio-common/perror.c: Likewise. * stdio-common/psignal.c: Likewise. * stdio-common/putw.c: Likewise. * stdio-common/reg-printf.c: Likewise. * stdio-common/scanf.c: Likewise. * stdio-common/snprintf.c: Likewise. * stdio-common/sprintf.c: Likewise. * stdio-common/tempnam.c: Likewise. * stdio-common/test_rdwr.c: Likewise. * stdio-common/tst-fileno.c: Likewise. * stdio-common/tst-printf.c: Likewise. * stdio-common/tstgetln.c: Likewise. * stdio-common/vprintf.c: Likewise. * stdlib/drand48.c: Likewise. * stdlib/drand48_r.c: Likewise. * stdlib/erand48.c: Likewise. * stdlib/erand48_r.c: Likewise. * stdlib/exit.h: Likewise. * stdlib/strtoq.c: Likewise. * stdlib/strtoul.c: Likewise. * stdlib/strtouq.c: Likewise. * stdlib/test-canon.c: Likewise. * stdlib/testdiv.c: Likewise. * stdlib/testrand.c: Likewise. * string/argz-append.c: Likewise. * string/argz-count.c: Likewise. * string/argz-create.c: Likewise. * string/argz-ctsep.c: Likewise. * string/argz-delete.c: Likewise. * string/argz-extract.c: Likewise. * string/argz-insert.c: Likewise. * string/argz-next.c: Likewise. * string/argz-stringify.c: Likewise. * string/basename.c: Likewise. * string/envz.c: Likewise. * string/memfrob.c: Likewise. * string/strcoll.c: Likewise. * string/strdup.c: Likewise. * string/string.h: Likewise. * string/strndup.c: Likewise. * string/strnlen.c: Likewise. * string/strsignal.c: Likewise. * string/strxfrm.c: Likewise. * string/test-ffs.c: Likewise. * string/testcopy.c: Likewise. * sysdeps/generic/enbl-secure.c: Likewise. * sysdeps/generic/memcopy.h: Likewise. * sysdeps/generic/stpncpy.c: Likewise. * sysdeps/generic/strcasecmp.c: Likewise. * sysdeps/generic/strcat.c: Likewise. * sysdeps/generic/strchr.c: Likewise. * sysdeps/generic/strcpy.c: Likewise. * sysdeps/generic/strcspn.c: Likewise. * sysdeps/generic/strlen.c: Likewise. * sysdeps/generic/strncase.c: Likewise. * sysdeps/generic/strncat.c: Likewise. * sysdeps/generic/strncpy.c: Likewise. * sysdeps/generic/strpbrk.c: Likewise. * sysdeps/generic/strsep.c: Likewise. * sysdeps/generic/strspn.c: Likewise. * sysdeps/generic/strstr.c: Likewise. * sysdeps/generic/strtok.c: Likewise. * sysdeps/generic/strtok_r.c: Likewise. * sysdeps/mach/sleep.c: Likewise. * sysdeps/posix/sleep.c: Likewise. * sysdeps/stub/sleep.c: Likewise. * time/date.c: Likewise. * time/test_time.c: Likewise. * wcsmbs/wmemcpy.c: Likewise. * wctye/test_wctype.c: Likewise. * wctye/towctrans.c: Likewise. * wctye/wcfuncs.c: Likewise. * wctye/wctrans.c: Likewise. 1997-02-13 22:15 Miles Bader <miles@gnu.ai.mit.edu> * argp/Makefile: New file. * argp/argp.h: Likewise. * argp/argp-ba.c: Likewise. * argp/argp-fmtstream.c: Likewise. * argp/argp-fmtstream.h: Likewise. * argp/argp-fs-xinl.c: Likewise. * argp/argp-help.c: Likewise. * argp/argp-namefrob.h: Likewise. * argp/argp-parse.c: Likewise. * argp/argp-pv.c: Likewise. * argp/argp-pvh.c: Likewise. * argp/argp-test.c: Likewise. * argp/argp-xinl.c: Likewise. * libio/_G_config.h: Make sure wint_t is also defined for old gcc 1997-02-09 04:35 Ulrich Drepper <drepper@cygnus.com> * stdio-common/_itoa.h: Update copyright.
866 lines
32 KiB
C
866 lines
32 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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* POSIX Standard: 2.10 Symbolic Constants <unistd.h>
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*/
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#ifndef _UNISTD_H
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#define _UNISTD_H 1
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#include <features.h>
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__BEGIN_DECLS
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/* These may be used to determine what facilities are present at compile time.
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Their values can be obtained at run time from `sysconf'. */
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/* POSIX Standard approved as IEEE Std 1003.1 as of August, 1988 and
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extended by P1003.1b (aka POSIX.4). */
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#define _POSIX_VERSION 199309L
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/* These are not #ifdef __USE_POSIX2 because they are
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in the theoretically application-owned namespace. */
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#define _POSIX2_C_VERSION 199912L /* Invalid until 1003.2 is done. */
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/* If defined, the implementation supports the
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C Language Bindings Option. */
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#define _POSIX2_C_BIND 1
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/* If defined, the implementation supports the
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C Language Development Utilities Option. */
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#define _POSIX2_C_DEV 1
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/* If defined, the implementation supports the
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Software Development Utilities Option. */
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#define _POSIX2_SW_DEV 1
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/* If defined, the implementation supports the
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creation of locales with the localedef utility. */
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#define _POSIX2_LOCALEDEF 1
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/* Library conforms to X/Open version 4. */
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#define _XOPEN_VERSION 4
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/* Commands and utilities from XPG4 are available. */
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#define _XOPEN_XCU_VERSION 4
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/* We are compatible with the old published standards as well. */
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#define _XOPEN_XPG2 1
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#define _XOPEN_XPG3 1
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#define _XOPEN_XPG4 1
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/* The X/Open Unix extensions are available. */
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#define _XOPEN_UNIX 1
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/* Encryption is present. */
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#define _XOPEN_CRYPT 1
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/* The enhanced internationalization capabilities according to XPG4.2
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are present. */
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#define _XOPEN_ENH_I18N 1
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/* Get values of POSIX options:
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If these symbols are defined, the corresponding features are
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always available. If not, they may be available sometimes.
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The current values can be obtained with `sysconf'.
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_POSIX_JOB_CONTROL Job control is supported.
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_POSIX_SAVED_IDS Processes have a saved set-user-ID
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and a saved set-group-ID.
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_POSIX_REALTIME_SIGNALS Real-time, queued signals are supported.
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_POSIX_PRIORITY_SCHEDULING Priority scheduling is supported.
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_POSIX_TIMERS POSIX.4 clocks and timers are supported.
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_POSIX_ASYNCHRONOUS_IO Asynchronous I/O is supported.
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_POSIX_PRIORITIZED_IO Prioritized asynchronous I/O is supported.
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_POSIX_SYNCHRONIZED_IO Synchronizing file data is supported.
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_POSIX_FSYNC The fsync function is present.
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_POSIX_MAPPED_FILES Mapping of files to memory is supported.
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_POSIX_MEMLOCK Locking of all memory is supported.
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_POSIX_MEMLOCK_RANGE Locking of ranges of memory is supported.
|
|
_POSIX_MEMORY_PROTECTION Setting of memory protections is supported.
|
|
_POSIX_MESSAGE_PASSING POSIX.4 message queues are supported.
|
|
_POSIX_SEMAPHORES POSIX.4 counting semaphores are supported.
|
|
_POSIX_SHARED_MEMORY_OBJECTS POSIX.4 shared memory objects are supported.
|
|
_POSIX_PII Protocol-independent interfaces are supported.
|
|
_POSIX_PII_XTI XTI protocol-indep. interfaces are supported.
|
|
_POSIX_PII_SOCKET Socket protocol-indep. interfaces are supported.
|
|
_POSIX_PII_INTERNET Internet family of protocols supported.
|
|
_POSIX_PII_INTERNET_STREAM Connection-mode Internet protocol supported.
|
|
_POSIX_PII_INTERNET_DGRAM Connectionless Internet protocol supported.
|
|
_POSIX_PII_OSI ISO/OSI family of protocols supported.
|
|
_POSIX_PII_OSI_COTS Connection-mode ISO/OSI service supported.
|
|
_POSIX_PII_OSI_CLTS Connectionless ISO/OSI service supported.
|
|
_POSIX_POLL Implementation supports `poll' function.
|
|
_POSIX_SELECT Implementation supports `select' and `pselect'.
|
|
|
|
_XOPEN_SHM Shared memory interface according to XPG4.2.
|
|
|
|
If any of these symbols is defined as -1, the corresponding option is not
|
|
true for any file. If any is defined as other than -1, the corresponding
|
|
option is true for all files. If a symbol is not defined at all, the value
|
|
for a specific file can be obtained from `pathconf' and `fpathconf'.
|
|
|
|
_POSIX_CHOWN_RESTRICTED Only the super user can use `chown' to change
|
|
the owner of a file. `chown' can only be used
|
|
to change the group ID of a file to a group of
|
|
which the calling process is a member.
|
|
_POSIX_NO_TRUNC Pathname components longer than
|
|
NAME_MAX generate an error.
|
|
_POSIX_VDISABLE If defined, if the value of an element of the
|
|
`c_cc' member of `struct termios' is
|
|
_POSIX_VDISABLE, no character will have the
|
|
effect associated with that element.
|
|
_POSIX_SYNC_IO Synchronous I/O may be performed.
|
|
_POSIX_ASYNC_IO Asynchronous I/O may be performed.
|
|
_POSIX_PRIO_IO Prioritized Asynchronous I/O may be performed.
|
|
*/
|
|
|
|
#include <posix_opt.h>
|
|
|
|
|
|
/* Standard file descriptors. */
|
|
#define STDIN_FILENO 0 /* Standard input. */
|
|
#define STDOUT_FILENO 1 /* Standard output. */
|
|
#define STDERR_FILENO 2 /* Standard error output. */
|
|
|
|
|
|
/* All functions that are not declared anywhere else. */
|
|
|
|
#include <gnu/types.h>
|
|
|
|
#ifndef ssize_t
|
|
typedef __ssize_t ssize_t;
|
|
#define ssize_t ssize_t
|
|
#endif
|
|
|
|
#define __need_size_t
|
|
#define __need_NULL
|
|
#include <stddef.h>
|
|
|
|
|
|
/* Values for the second argument to access.
|
|
These may be OR'd together. */
|
|
#define R_OK 4 /* Test for read permission. */
|
|
#define W_OK 2 /* Test for write permission. */
|
|
#define X_OK 1 /* Test for execute permission. */
|
|
#define F_OK 0 /* Test for existence. */
|
|
|
|
/* Test for access to NAME using the real UID and real GID. */
|
|
extern int __access __P ((__const char *__name, int __type));
|
|
extern int access __P ((__const char *__name, int __type));
|
|
|
|
#ifdef __USE_GNU
|
|
/* Test for access to NAME using the effective UID and GID
|
|
(as normal file operations use). */
|
|
extern int euidaccess __P ((__const char *__name, int __type));
|
|
#endif
|
|
|
|
|
|
/* Values for the WHENCE argument to lseek. */
|
|
#ifndef _STDIO_H /* <stdio.h> has the same definitions. */
|
|
#define SEEK_SET 0 /* Seek from beginning of file. */
|
|
#define SEEK_CUR 1 /* Seek from current position. */
|
|
#define SEEK_END 2 /* Seek from end of file. */
|
|
#endif
|
|
|
|
#if defined (__USE_BSD) && !defined (L_SET)
|
|
/* Old BSD names for the same constants; just for compatibility. */
|
|
#define L_SET SEEK_SET
|
|
#define L_INCR SEEK_CUR
|
|
#define L_XTND SEEK_END
|
|
#endif
|
|
|
|
|
|
/* Move FD's file position to OFFSET bytes from the
|
|
beginning of the file (if WHENCE is SEEK_SET),
|
|
the current position (if WHENCE is SEEK_CUR),
|
|
or the end of the file (if WHENCE is SEEK_END).
|
|
Return the new file position. */
|
|
extern __off_t __lseek __P ((int __fd, __off_t __offset, int __whence));
|
|
extern __off_t lseek __P ((int __fd, __off_t __offset, int __whence));
|
|
|
|
/* Close the file descriptor FD. */
|
|
extern int __close __P ((int __fd));
|
|
extern int close __P ((int __fd));
|
|
|
|
/* Read NBYTES into BUF from FD. Return the
|
|
number read, -1 for errors or 0 for EOF. */
|
|
extern ssize_t __read __P ((int __fd, __ptr_t __buf, size_t __nbytes));
|
|
extern ssize_t read __P ((int __fd, __ptr_t __buf, size_t __nbytes));
|
|
|
|
/* Write N bytes of BUF to FD. Return the number written, or -1. */
|
|
extern ssize_t __write __P ((int __fd, __const __ptr_t __buf, size_t __n));
|
|
extern ssize_t write __P ((int __fd, __const __ptr_t __buf, size_t __n));
|
|
|
|
|
|
/* Create a one-way communication channel (pipe).
|
|
If successful, two file descriptors are stored in PIPEDES;
|
|
bytes written on PIPEDES[1] can be read from PIPEDES[0].
|
|
Returns 0 if successful, -1 if not. */
|
|
extern int __pipe __P ((int __pipedes[2]));
|
|
extern int pipe __P ((int __pipedes[2]));
|
|
|
|
/* Schedule an alarm. In SECONDS seconds, the process will get a SIGALRM.
|
|
If SECONDS is zero, any currently scheduled alarm will be cancelled.
|
|
The function returns the number of seconds remaining until the last
|
|
alarm scheduled would have signaled, or zero if there wasn't one.
|
|
There is no return value to indicate an error, but you can set `errno'
|
|
to 0 and check its value after calling `alarm', and this might tell you.
|
|
The signal may come late due to processor scheduling. */
|
|
extern unsigned int alarm __P ((unsigned int __seconds));
|
|
|
|
/* Make the process sleep for SECONDS seconds, or until a signal arrives
|
|
and is not ignored. The function returns the number of seconds less
|
|
than SECONDS which it actually slept (thus zero if it slept the full time).
|
|
If a signal handler does a `longjmp' or modifies the handling of the
|
|
SIGALRM signal while inside `sleep' call, the handling of the SIGALRM
|
|
signal afterwards is undefined. There is no return value to indicate
|
|
error, but if `sleep' returns SECONDS, it probably didn't work. */
|
|
extern unsigned int __sleep __P ((unsigned int __seconds));
|
|
extern unsigned int sleep __P ((unsigned int __seconds));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Set an alarm to go off (generating a SIGALRM signal) in VALUE
|
|
microseconds. If INTERVAL is nonzero, when the alarm goes off, the
|
|
timer is reset to go off every INTERVAL microseconds thereafter.
|
|
Returns the number of microseconds remaining before the alarm. */
|
|
extern unsigned int ualarm __P ((unsigned int __value,
|
|
unsigned int __interval));
|
|
|
|
/* Sleep USECONDS microseconds, or until a signal arrives that is not blocked
|
|
or ignored. */
|
|
extern void usleep __P ((unsigned int __useconds));
|
|
#endif
|
|
|
|
|
|
/* Suspend the process until a signal arrives.
|
|
This always returns -1 and sets `errno' to EINTR. */
|
|
extern int pause __P ((void));
|
|
|
|
|
|
/* Change the owner and group of FILE. */
|
|
extern int __chown __P ((__const char *__file,
|
|
__uid_t __owner, __gid_t __group));
|
|
extern int chown __P ((__const char *__file,
|
|
__uid_t __owner, __gid_t __group));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Change the owner and group of the file that FD is open on. */
|
|
extern int __fchown __P ((int __fd,
|
|
__uid_t __owner, __gid_t __group));
|
|
extern int fchown __P ((int __fd,
|
|
__uid_t __owner, __gid_t __group));
|
|
|
|
|
|
/* Change owner and group of FILE, if it is a symbolic
|
|
link the ownership of the symbolic link is changed. */
|
|
extern int __lchown __P ((__const char *__file, __uid_t __owner,
|
|
__gid_t __group));
|
|
extern int lchown __P ((__const char *__file, __uid_t __owner,
|
|
__gid_t __group));
|
|
|
|
#endif /* Use BSD || X/Open Unix. */
|
|
|
|
/* Change the process's working directory to PATH. */
|
|
extern int __chdir __P ((__const char *__path));
|
|
extern int chdir __P ((__const char *__path));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Change the process's working directory to the one FD is open on. */
|
|
extern int fchdir __P ((int __fd));
|
|
#endif
|
|
|
|
/* Get the pathname of the current working directory,
|
|
and put it in SIZE bytes of BUF. Returns NULL if the
|
|
directory couldn't be determined or SIZE was too small.
|
|
If successful, returns BUF. In GNU, if BUF is NULL,
|
|
an array is allocated with `malloc'; the array is SIZE
|
|
bytes long, unless SIZE <= 0, in which case it is as
|
|
big as necessary. */
|
|
extern char *__getcwd __P ((char *__buf, size_t __size));
|
|
extern char *getcwd __P ((char *__buf, size_t __size));
|
|
|
|
#ifdef __USE_GNU
|
|
/* Return a malloc'd string containing the current directory name.
|
|
If the environment variable `PWD' is set, and its value is correct,
|
|
that value is used. */
|
|
extern char *get_current_dir_name __P ((void));
|
|
|
|
/* Get the canonical absolute name of the named directory, and put it in SIZE
|
|
bytes of BUF. Returns NULL if the directory couldn't be determined or
|
|
SIZE was too small. If successful, returns BUF. In GNU, if BUF is
|
|
NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
|
|
unless SIZE <= 0, in which case it is as big as necessary. */
|
|
|
|
char *__canonicalize_directory_name_internal __P ((__const char *__thisdir,
|
|
char *__buf,
|
|
size_t __size));
|
|
#endif
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Put the absolute pathname of the current working directory in BUF.
|
|
If successful, return BUF. If not, put an error message in
|
|
BUF and return NULL. BUF should be at least PATH_MAX bytes long. */
|
|
extern char *getwd __P ((char *__buf));
|
|
#endif
|
|
|
|
|
|
/* Duplicate FD, returning a new file descriptor on the same file. */
|
|
extern int __dup __P ((int __fd));
|
|
extern int dup __P ((int __fd));
|
|
|
|
/* Duplicate FD to FD2, closing FD2 and making it open on the same file. */
|
|
extern int __dup2 __P ((int __fd, int __fd2));
|
|
extern int dup2 __P ((int __fd, int __fd2));
|
|
|
|
/* NULL-terminated array of "NAME=VALUE" environment variables. */
|
|
extern char **__environ;
|
|
#ifdef __USE_GNU
|
|
extern char **environ;
|
|
#endif
|
|
|
|
|
|
/* Replace the current process, executing PATH with arguments ARGV and
|
|
environment ENVP. ARGV and ENVP are terminated by NULL pointers. */
|
|
extern int __execve __P ((__const char *__path, char *__const __argv[],
|
|
char *__const __envp[]));
|
|
extern int execve __P ((__const char *__path, char *__const __argv[],
|
|
char *__const __envp[]));
|
|
|
|
#ifdef __USE_GNU
|
|
/* Execute the file FD refers to, overlaying the running program image.
|
|
ARGV and ENVP are passed to the new program, as for `execve'. */
|
|
extern int fexecve __P ((int __fd,
|
|
char *__const __argv[], char *__const __envp[]));
|
|
|
|
#endif
|
|
|
|
|
|
/* Execute PATH with arguments ARGV and environment from `environ'. */
|
|
extern int execv __P ((__const char *__path, char *__const __argv[]));
|
|
|
|
/* Execute PATH with all arguments after PATH until a NULL pointer,
|
|
and the argument after that for environment. */
|
|
extern int execle __P ((__const char *__path, __const char *__arg, ...));
|
|
|
|
/* Execute PATH with all arguments after PATH until
|
|
a NULL pointer and environment from `environ'. */
|
|
extern int execl __P ((__const char *__path, __const char *__arg, ...));
|
|
|
|
/* Execute FILE, searching in the `PATH' environment variable if it contains
|
|
no slashes, with arguments ARGV and environment from `environ'. */
|
|
extern int execvp __P ((__const char *__file, char *__const __argv[]));
|
|
|
|
/* Execute FILE, searching in the `PATH' environment variable if
|
|
it contains no slashes, with all arguments after FILE until a
|
|
NULL pointer and environment from `environ'. */
|
|
extern int execlp __P ((__const char *__file, __const char *__arg, ...));
|
|
|
|
|
|
#if defined(__USE_MISC) || defined(__USE_XOPEN)
|
|
/* Add INC to priority of the current process. */
|
|
extern int nice __P ((int __inc));
|
|
#endif
|
|
|
|
|
|
/* Terminate program execution with the low-order 8 bits of STATUS. */
|
|
extern void _exit __P ((int __status)) __attribute__ ((__noreturn__));
|
|
|
|
|
|
/* Get the `_PC_*' symbols for the NAME argument to `pathconf' and `fpathconf';
|
|
the `_SC_*' symbols for the NAME argument to `sysconf';
|
|
and the `_CS_*' symbols for the NAME argument to `confstr'. */
|
|
#include <confname.h>
|
|
|
|
/* Get file-specific configuration information about PATH. */
|
|
extern long int __pathconf __P ((__const char *__path, int __name));
|
|
extern long int pathconf __P ((__const char *__path, int __name));
|
|
|
|
/* Get file-specific configuration about descriptor FD. */
|
|
extern long int __fpathconf __P ((int __fd, int __name));
|
|
extern long int fpathconf __P ((int __fd, int __name));
|
|
|
|
/* Get the value of the system variable NAME. */
|
|
extern long int __sysconf __P ((int __name));
|
|
extern long int sysconf __P ((int __name));
|
|
|
|
#ifdef __USE_POSIX2
|
|
/* Get the value of the string-valued system variable NAME. */
|
|
extern size_t confstr __P ((int __name, char *__buf, size_t __len));
|
|
#endif
|
|
|
|
|
|
/* Get the process ID of the calling process. */
|
|
extern __pid_t __getpid __P ((void));
|
|
extern __pid_t getpid __P ((void));
|
|
|
|
/* Get the process ID of the calling process's parent. */
|
|
extern __pid_t __getppid __P ((void));
|
|
extern __pid_t getppid __P ((void));
|
|
|
|
/* Get the process group ID of the calling process. */
|
|
extern __pid_t getpgrp __P ((void));
|
|
|
|
/* Set the process group ID of the process matching PID to PGID.
|
|
If PID is zero, the current process's process group ID is set.
|
|
If PGID is zero, the process ID of the process is used. */
|
|
extern int setpgid __P ((__pid_t __pid, __pid_t __pgid));
|
|
|
|
/* Get the process group ID of process PID. */
|
|
extern __pid_t __getpgid __P ((__pid_t __pid));
|
|
#ifdef __USE_XOPEN_EXTENDED
|
|
extern __pid_t getpgid __P ((__pid_t __pid));
|
|
#endif
|
|
|
|
#if defined(__USE_SVID) || defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Both System V and BSD have `setpgrp' functions, but with different
|
|
calling conventions. The BSD function is the same as POSIX.1 `setpgid'
|
|
(above). The System V function takes no arguments and puts the calling
|
|
process in its on group like `setpgid (0, 0)'.
|
|
|
|
New programs should always use `setpgid' instead.
|
|
|
|
The default in GNU is to provide the System V function. The BSD
|
|
function is available under -D_BSD_SOURCE with -lbsd-compat. */
|
|
|
|
#ifndef __FAVOR_BSD
|
|
|
|
/* Set the process group ID of the calling process to its own PID.
|
|
This is exactly the same as `setpgid (0, 0)'. */
|
|
extern int setpgrp __P ((void));
|
|
|
|
#else
|
|
|
|
/* Another name for `setpgid' (above). */
|
|
extern int setpgrp __P ((__pid_t __pid, __pid_t __pgrp));
|
|
|
|
#endif /* Favor BSD. */
|
|
#endif /* Use SVID or BSD. */
|
|
|
|
/* Create a new session with the calling process as its leader.
|
|
The process group IDs of the session and the calling process
|
|
are set to the process ID of the calling process, which is returned. */
|
|
extern __pid_t __setsid __P ((void));
|
|
extern __pid_t setsid __P ((void));
|
|
|
|
#ifdef __USE_XOPEN_EXTENDED
|
|
/* Return the session ID of the given process. */
|
|
extern __pid_t getsid __P ((__pid_t __pid));
|
|
#endif
|
|
|
|
/* Get the real user ID of the calling process. */
|
|
extern __uid_t __getuid __P ((void));
|
|
extern __uid_t getuid __P ((void));
|
|
|
|
/* Get the effective user ID of the calling process. */
|
|
extern __uid_t __geteuid __P ((void));
|
|
extern __uid_t geteuid __P ((void));
|
|
|
|
/* Get the real group ID of the calling process. */
|
|
extern __gid_t __getgid __P ((void));
|
|
extern __gid_t getgid __P ((void));
|
|
|
|
/* Get the effective group ID of the calling process. */
|
|
extern __gid_t __getegid __P ((void));
|
|
extern __gid_t getegid __P ((void));
|
|
|
|
/* If SIZE is zero, return the number of supplementary groups
|
|
the calling process is in. Otherwise, fill in the group IDs
|
|
of its supplementary groups in LIST and return the number written. */
|
|
extern int __getgroups __P ((int __size, __gid_t __list[]));
|
|
extern int getgroups __P ((int __size, __gid_t __list[]));
|
|
|
|
#ifdef __USE_GNU
|
|
/* Return nonzero iff the calling process is in group GID. */
|
|
extern int __group_member __P ((__gid_t __gid));
|
|
extern int group_member __P ((__gid_t __gid));
|
|
#endif
|
|
|
|
/* Set the user ID of the calling process to UID.
|
|
If the calling process is the super-user, set the real
|
|
and effective user IDs, and the saved set-user-ID to UID;
|
|
if not, the effective user ID is set to UID. */
|
|
extern int __setuid __P ((__uid_t __uid));
|
|
extern int setuid __P ((__uid_t __uid));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Set the real user ID of the calling process to RUID,
|
|
and the effective user ID of the calling process to EUID. */
|
|
extern int __setreuid __P ((__uid_t __ruid, __uid_t __euid));
|
|
extern int setreuid __P ((__uid_t __ruid, __uid_t __euid));
|
|
#endif
|
|
|
|
#ifdef __USE_BSD
|
|
/* Set the effective user ID of the calling process to UID. */
|
|
extern int seteuid __P ((__uid_t __uid));
|
|
#endif /* Use BSD. */
|
|
|
|
/* Set the group ID of the calling process to GID.
|
|
If the calling process is the super-user, set the real
|
|
and effective group IDs, and the saved set-group-ID to GID;
|
|
if not, the effective group ID is set to GID. */
|
|
extern int __setgid __P ((__gid_t __gid));
|
|
extern int setgid __P ((__gid_t __gid));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Set the real group ID of the calling process to RGID,
|
|
and the effective group ID of the calling process to EGID. */
|
|
extern int __setregid __P ((__gid_t __rgid, __gid_t __egid));
|
|
extern int setregid __P ((__gid_t __rgid, __gid_t __egid));
|
|
#endif
|
|
|
|
#ifdef __USE_BSD
|
|
/* Set the effective group ID of the calling process to GID. */
|
|
extern int setegid __P ((__gid_t __gid));
|
|
#endif /* Use BSD. */
|
|
|
|
|
|
/* Clone the calling process, creating an exact copy.
|
|
Return -1 for errors, 0 to the new process,
|
|
and the process ID of the new process to the old process. */
|
|
extern __pid_t __fork __P ((void));
|
|
extern __pid_t fork __P ((void));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Clone the calling process, but without copying the whole address space.
|
|
The the calling process is suspended until the the new process exits or is
|
|
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
|
|
and the process ID of the new process to the old process. */
|
|
extern __pid_t __vfork __P ((void));
|
|
extern __pid_t vfork __P ((void));
|
|
#endif /* Use BSD. */
|
|
|
|
|
|
/* Return the pathname of the terminal FD is open on, or NULL on errors.
|
|
The returned storage is good only until the next call to this function. */
|
|
extern char *ttyname __P ((int __fd));
|
|
|
|
/* Store at most BUFLEN characters of the pathname of the terminal FD is
|
|
open on in BUF. Return 0 on success, -1 otherwise. */
|
|
extern int __ttyname_r __P ((int __fd, char *__buf, size_t __buflen));
|
|
extern int ttyname_r __P ((int __fd, char *__buf, size_t __buflen));
|
|
|
|
/* Return 1 if FD is a valid descriptor associated
|
|
with a terminal, zero if not. */
|
|
extern int __isatty __P ((int __fd));
|
|
extern int isatty __P ((int __fd));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Return the index into the active-logins file (utmp) for
|
|
the controlling terminal. */
|
|
extern int ttyslot __P ((void));
|
|
#endif
|
|
|
|
|
|
/* Make a link to FROM named TO. */
|
|
extern int __link __P ((__const char *__from, __const char *__to));
|
|
extern int link __P ((__const char *__from, __const char *__to));
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
/* Make a symbolic link to FROM named TO. */
|
|
extern int __symlink __P ((__const char *__from, __const char *__to));
|
|
extern int symlink __P ((__const char *__from, __const char *__to));
|
|
|
|
/* Read the contents of the symbolic link PATH into no more than
|
|
LEN bytes of BUF. The contents are not null-terminated.
|
|
Returns the number of characters read, or -1 for errors. */
|
|
extern int __readlink __P ((__const char *__path, char *__buf, size_t __len));
|
|
extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
|
|
#endif /* Use BSD. */
|
|
|
|
/* Remove the link NAME. */
|
|
extern int __unlink __P ((__const char *__name));
|
|
extern int unlink __P ((__const char *__name));
|
|
|
|
/* Remove the directory PATH. */
|
|
extern int __rmdir __P ((__const char *__path));
|
|
extern int rmdir __P ((__const char *__path));
|
|
|
|
|
|
/* Return the foreground process group ID of FD. */
|
|
extern __pid_t tcgetpgrp __P ((int __fd));
|
|
|
|
/* Set the foreground process group ID of FD set PGRP_ID. */
|
|
extern int tcsetpgrp __P ((int __fd, __pid_t __pgrp_id));
|
|
|
|
|
|
/* Return the login name of the user. */
|
|
extern char *getlogin __P ((void));
|
|
#ifdef __USE_REENTRANT
|
|
/* Return at most NAME_LEN characters of the login name of the user in NAME.
|
|
If it cannot be determined or some other error occurred, return the error
|
|
code. Otherwise return 0. */
|
|
extern int getlogin_r __P ((char *__name, size_t __name_len));
|
|
#endif
|
|
|
|
#ifdef __USE_BSD
|
|
/* Set the login name returned by `getlogin'. */
|
|
extern int setlogin __P ((__const char *__name));
|
|
#endif
|
|
|
|
|
|
#ifdef __USE_POSIX2
|
|
/* Process the arguments in ARGV (ARGC of them, minus
|
|
the program name) for options given in OPTS.
|
|
|
|
If `opterr' is zero, no messages are generated
|
|
for invalid options; it defaults to 1.
|
|
`optind' is the current index into ARGV.
|
|
`optarg' is the argument corresponding to the current option.
|
|
Return the option character from OPTS just read.
|
|
Return -1 when there are no more options.
|
|
For unrecognized options, or options missing arguments,
|
|
`optopt' is set to the option letter, and '?' is returned.
|
|
|
|
The OPTS string is a list of characters which are recognized option
|
|
letters, optionally followed by colons, specifying that that letter
|
|
takes an argument, to be placed in `optarg'.
|
|
|
|
If a letter in OPTS is followed by two colons, its argument is optional.
|
|
This behavior is specific to the GNU `getopt'.
|
|
|
|
The argument `--' causes premature termination of argument scanning,
|
|
explicitly telling `getopt' that there are no more options.
|
|
|
|
If OPTS begins with `--', then non-option arguments
|
|
are treated as arguments to the option '\0'.
|
|
This behavior is specific to the GNU `getopt'. */
|
|
extern int getopt __P ((int __argc, char *__const * __argv,
|
|
__const char *__opts));
|
|
extern int opterr;
|
|
extern int optind;
|
|
extern int optopt;
|
|
extern char *optarg;
|
|
#endif
|
|
|
|
|
|
#if defined(__USE_BSD) || defined (__USE_XOPEN)
|
|
|
|
/* Put the name of the current host in no more than LEN bytes of NAME.
|
|
The result is null-terminated if LEN is large enough for the full
|
|
name and the terminator. */
|
|
extern int __gethostname __P ((char *__name, size_t __len));
|
|
extern int gethostname __P ((char *__name, size_t __len));
|
|
|
|
/* Set the name of the current host to NAME, which is LEN bytes long.
|
|
This call is restricted to the super-user. */
|
|
extern int sethostname __P ((__const char *__name, size_t __len));
|
|
|
|
/* Set the current machine's Internet number to ID.
|
|
This call is restricted to the super-user. */
|
|
extern int sethostid __P ((long int __id));
|
|
|
|
|
|
/* Get and set the NIS (aka YP) domain name, if any.
|
|
Called just like `gethostname' and `sethostname'.
|
|
The NIS domain name is usually the empty string when not using NIS. */
|
|
extern int getdomainname __P ((char *__name, size_t __len));
|
|
extern int setdomainname __P ((__const char *__name, size_t __len));
|
|
|
|
|
|
/* Make all changes done to FD actually appear on disk. */
|
|
extern int fsync __P ((int __fd));
|
|
|
|
|
|
/* Revoke access permissions to all processes currently communicating
|
|
with the control terminal, and then send a SIGHUP signal to the process
|
|
group of the control terminal. */
|
|
extern int vhangup __P ((void));
|
|
|
|
/* Revoke the access of all descriptors currently open on FILE. */
|
|
extern int revoke __P ((__const char *__file));
|
|
|
|
|
|
/* Enable statistical profiling, writing samples of the PC into at most
|
|
SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling
|
|
is enabled, the system examines the user PC and increments
|
|
SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero,
|
|
disable profiling. Returns zero on success, -1 on error. */
|
|
extern int profil __P ((unsigned short int *__sample_buffer, size_t __size,
|
|
size_t __offset, unsigned int __scale));
|
|
|
|
|
|
/* Turn accounting on if NAME is an existing file. The system will then write
|
|
a record for each process as it terminates, to this file. If NAME is NULL,
|
|
turn accounting off. This call is restricted to the super-user. */
|
|
extern int acct __P ((__const char *__name));
|
|
|
|
/* Make PATH be the root directory (the starting point for absolute paths).
|
|
This call is restricted to the super-user. */
|
|
extern int chroot __P ((__const char *__path));
|
|
|
|
|
|
/* Successive calls return the shells listed in `/etc/shells'. */
|
|
extern char *getusershell __P ((void));
|
|
extern void endusershell __P ((void)); /* Discard cached info. */
|
|
extern void setusershell __P ((void)); /* Rewind and re-read the file. */
|
|
|
|
|
|
/* Prompt with PROMPT and read a string from the terminal without echoing.
|
|
Uses /dev/tty if possible; otherwise stderr and stdin. */
|
|
extern char *getpass __P ((__const char *__prompt));
|
|
|
|
/* Put the program in the background, and dissociate from the controlling
|
|
terminal. If NOCHDIR is zero, do `chdir ("/")'. If NOCLOSE is zero,
|
|
redirects stdin, stdout, and stderr to /dev/null. */
|
|
extern int daemon __P ((int __nochdir, int __noclose));
|
|
|
|
#endif /* Use BSD || X/Open. */
|
|
|
|
|
|
#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
|
|
|
|
/* Return the current machine's Internet number. */
|
|
extern long int gethostid __P ((void));
|
|
|
|
/* Make all changes done to all files actually appear on disk. */
|
|
extern int sync __P ((void));
|
|
|
|
|
|
/* Return the number of bytes in a page. This is the system's page size,
|
|
which is not necessarily the same as the hardware page size. */
|
|
extern int __getpagesize __P ((void));
|
|
extern int getpagesize __P ((void));
|
|
|
|
|
|
/* Truncate FILE to LENGTH bytes. */
|
|
extern int truncate __P ((__const char *__file, __off_t __length));
|
|
|
|
/* Truncate the file FD is open on to LENGTH bytes. */
|
|
extern int ftruncate __P ((int __fd, __off_t __length));
|
|
|
|
|
|
/* Return the maximum number of file descriptors
|
|
the current process could possibly have. */
|
|
extern int __getdtablesize __P ((void));
|
|
extern int getdtablesize __P ((void));
|
|
|
|
#endif /* Use BSD || X/Open Unix. */
|
|
|
|
|
|
#if defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED)
|
|
|
|
/* Set the end of accessible data space (aka "the break") to ADDR.
|
|
Returns zero on success and -1 for errors (with errno set). */
|
|
extern int __brk __P ((__ptr_t __addr));
|
|
extern int brk __P ((__ptr_t __addr));
|
|
|
|
#define __need_ptrdiff_t
|
|
#include <stddef.h>
|
|
|
|
/* Increase or decrease the end of accessible data space by DELTA bytes.
|
|
If successful, returns the address the previous end of data space
|
|
(i.e. the beginning of the new space, if DELTA > 0);
|
|
returns (void *) -1 for errors (with errno set). */
|
|
extern __ptr_t __sbrk __P ((ptrdiff_t __delta));
|
|
extern __ptr_t sbrk __P ((ptrdiff_t __delta));
|
|
#endif
|
|
|
|
|
|
#ifdef __USE_MISC
|
|
/* Invoke `system call' number SYSNO, passing it the remaining arguments.
|
|
This is completely system-dependent, and not often useful.
|
|
|
|
In Unix, `syscall' sets `errno' for all errors and most calls return -1
|
|
for errors; in many systems you cannot pass arguments or get return
|
|
values for all system calls (`pipe', `fork', and `getppid' typically
|
|
among them).
|
|
|
|
In Mach, all system calls take normal arguments and always return an
|
|
error code (zero for success). */
|
|
extern long int syscall __P ((long int __sysno, ...));
|
|
|
|
#endif /* Use misc. */
|
|
|
|
|
|
#if (defined (__USE_MISC) || defined (__USE_XOPEN_EXTENDED)) \
|
|
&& !defined (F_LOCK)
|
|
/* NOTE: These declarations also appear in <fcntl.h>; be sure to keep both
|
|
files consistent. Some systems have them there and some here, and some
|
|
software depends on the macros being defined without including both. */
|
|
|
|
/* `lockf' is a simpler interface to the locking facilities of `fcntl'.
|
|
LEN is always relative to the current file position.
|
|
The CMD argument is one of the following. */
|
|
|
|
#define F_ULOCK 0 /* Unlock a previously locked region. */
|
|
#define F_LOCK 1 /* Lock a region for exclusive use. */
|
|
#define F_TLOCK 2 /* Test and lock a region for exclusive use. */
|
|
#define F_TEST 3 /* Test a region for other processes locks. */
|
|
|
|
extern int lockf __P ((int __fd, int __cmd, __off_t __len));
|
|
#endif /* Use misc and F_LOCK not already defined. */
|
|
|
|
|
|
#ifdef __USE_GNU
|
|
|
|
/* Evaluate EXPRESSION, and repeat as long as it returns -1 with `errno'
|
|
set to EINTR. */
|
|
|
|
#define TEMP_FAILURE_RETRY(expression) \
|
|
(__extension__ \
|
|
({ long int __result; \
|
|
do __result = (long int) (expression); \
|
|
while (__result == -1L && errno == EINTR); \
|
|
__result; })) \
|
|
|
|
|
|
/* This variable is set nonzero at startup if the process's effective IDs
|
|
differ from its real IDs, or it is otherwise indicated that extra
|
|
security should be used. When this is set the dynamic linker ignores
|
|
the various environment variables that normally affect it. */
|
|
extern int __libc_enable_secure;
|
|
|
|
#endif
|
|
|
|
#ifdef __USE_POSIX199309
|
|
/* Synchronize at least the data part of a file with the underlying
|
|
media. */
|
|
extern int fdatasync __P ((int __fildes));
|
|
#endif /* Use POSIX199309 */
|
|
|
|
|
|
/* XPG4.2 specifies that prototypes for the encryption functions must
|
|
be defined here. */
|
|
#ifdef __USE_XOPEN
|
|
/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
|
|
extern char *crypt __P ((__const char *__key, __const char *__salt));
|
|
|
|
/* Setup DES tables according KEY. */
|
|
extern void setkey __P ((__const char *__key));
|
|
|
|
/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
|
|
block in place. */
|
|
extern void encrypt __P ((char *__block, int __edflag));
|
|
|
|
|
|
/* Swab pairs bytes in the first N bytes of the area pointed to by
|
|
FROM and copy the result to TO. The value of TO must not be in the
|
|
range [FROM - N + 1, FROM - 1]. If N is odd the first byte in FROM
|
|
is without partner. */
|
|
extern void swab __P ((__const char *__from, char *__to, ssize_t __n));
|
|
#endif
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* unistd.h */
|