glibc/bits/poll.h

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/* Copyright (C) 1997,2000 Free Software Foundation, Inc.
Update. 1997-08-29 02:36 Ulrich Drepper <drepper@cygnus.com> * Makefile (version-info.h): Use ISO form for the date. * catgets/catgetsinfo.h: Include <bits/libc-lock.h>. (struct catalog_obj): Add lock field. (__open_catalog): Remove second parameter from prototype. * catgets/catgets.c (catopen): Initialize lock field. (catgets): Don't pass second parameter to __open_catalog. * catgets/gencat.c: Initialize lock field and don't pass second parameter to __open_catalog. * catgets/open_catalog.c (__open_catalog): Decide about use of path by examining path in struct, not based on extra argument. Acquire a the lock before trying to load the catalog and release it before returning. * csu/Makefile (abi-tag.h): Make sure target directory exists. * io/Makefile (headers): Add bits/poll.h. * io/sys/poll.h: Remove definitions of POLL* constants. Include <bits/poll.h>. * sysdeps/generic/bits/poll.h: New file. * sysdeps/unix/sysv/linux/bits/poll.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/poll.h: New file. * sysdeps/unix/sysv/linux/mips/bits/poll.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/poll.h: New file. * libio/fileops.c (_IO_file_read, _IO_file_write): Remove dead code. * malloc/obstack.c: Add casts to keep very verbose compilers on 64bit machine quiet. * nss/Makefile (libnss_db.so): Find libdb.so in db2 directory. 1997-08-28 17:30 Ulrich Drepper <drepper@cygnus.com> * catgets/catgets.c (catopen): Correctly determine length of string in NLSPATH evironment variable. Patch by HJ Lu <hjl@gnu.ai.mit.edu>. 1997-08-27 23:19 Richard Henderson <rth@cygnus.com> * sysdeps/generic/dl-sysdep.c (DL_FIND_ARG_COMPONENTS): Provide default macro to track down arguments from stack start. (_dl_sysdep_start): Use it. * sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Truncate to simply providing a special DL_FIND_ARG_COMPONENTS and including the next file up the line. * sysdeps/powerpc/e_sqrt.c: Move contents to w_sqrt.c and provide stub. * sysdeps/powerpc/e_sqrtf.c: Likewise. * sysdeps/powerpc/s_copysignf.S: Provide empty file; symbol is with the double precision version. * sysdeps/powerpc/s_fabsf.S: Likewise. * sysdeps/powerpc/s_isnanf.S: Likewise.
1997-08-29 09:19:12 +08:00
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
Update. 1997-11-26 04:28 Ulrich Drepper <drepper@cygnus.com> * eld/dl-profile.c (_dl_start_profile): Avoid FP calculation when computing s_scale. Patch by a sun <asun@zoology.washington.edu>. * iconv/gconv_close.c: Correct freeing of descriptor data. * iconv/gconv_simple.c: Return correct error values for illegal or incomplete characters. * Makefile (iconvdata/%): Special goal to simplify iconvdata development. * iconvdata/Makefile: New file. * iconvdata/configure: Likewise. * iconvdata/extra-module.mk: Likewise. * iconvdata/gconv-modules: Likewise. * iconvdata/iso6937.c: Likewise. * iconvdata/iso8859-1.c: Likewise. * iconvdata/iso8859-10.c: Likewise. * iconvdata/iso8859-10.h: Likewise. * iconvdata/iso8859-2.c: Likewise. * iconvdata/iso8859-2.h: Likewise. * iconvdata/iso8859-3.c: Likewise. * iconvdata/iso8859-3.h: Likewise. * iconvdata/iso8859-4.c: Likewise. * iconvdata/iso8859-4.h: Likewise. * iconvdata/iso8859-5.c: Likewise. * iconvdata/iso8859-5.h: Likewise. * iconvdata/iso8859-6.c: Likewise. * iconvdata/iso8859-6.h: Likewise. * iconvdata/iso8859-7.c: Likewise. * iconvdata/iso8859-7.h: Likewise. * iconvdata/iso8859-8.c: Likewise. * iconvdata/iso8859-8.h: Likewise. * iconvdata/iso8859-9.c: Likewise. * iconvdata/iso8859-9.h: Likewise. * iconvdata/iso8859-generic.c: Likewise. * iconvdata/t61.c: Likewise. * string/Makefile (routines): Add strcasestr. * string/string.h: Add prototype for strcasestr. * sysdeps/generic/strcasestr.c: New file. * wcsmbs/mbrtowc.c: Simplify special case a bit. * wcsmbs/wcrtomb.c: Likewise. * wcsmbs/mbsnrtowcs.c: Correctly handle incomplete characters. * wcsmbs/wcsnrtombs.c: Likewise. * wcsmbs/mbsrtowcs.c: Make sure SRC argument is correct when partial character is read. * wcsmbs/wcsrtombs.c: Likewise. * wcsmbs/wmemrtombs.c: Likewise. * wcsmbs/wmemrtowcs.c: Likewise. * io/ftw.h: Include <sys/stat.h> instead of <bits/stat.h>. * login/pty.h: Include <sys/ioctl.h> instead og <bits/ioctl-types.h>. * sysdeps/i386/__longjmp.S: Define _SETJMP_H. * sysdeps/i386/elf/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/kernel_termios.h: Do include <bits/termios.h>. * sysdeps/posix/mk-stdiolim.c: Output file with comment. * sysdeps/unix/sysv/linux/stdio_lim.h.in: Add comment. * sysdeps/unix/sysv/linux/sys/mman.h: Pretty print. * sysvipc/sys/ipc.h: Likewise. * sysvipc/sys/msg.h: Likewise. * sysvipc/sys/sem.h: Likewise. * sysvipc/sys/shm.h: Likewise. * sysdeps/alpha/bits/endian.h: Issue error message if the header is used directly. * sysdeps/alpha/bits/setjmp.h: Likewise. * sysdeps/alpha/fpu/bits/fenv.h: Likewise. * sysdeps/arm/bits/endian.h: Likewise. * sysdeps/arm/bits/setjmp.h: Likewise. * sysdeps/generic/bits/byteswap.h: Likewise. * sysdeps/generic/bits/confname.h: Likewise. * sysdeps/generic/bits/dirent.h: Likewise. * sysdeps/generic/bits/dlfcn.h: Likewise. * sysdeps/generic/bits/endian.h: Likewise. * sysdeps/generic/bits/fenv.h: Likewise. * sysdeps/generic/bits/huge_val.h: Likewise. * sysdeps/generic/bits/in.h: Likewise. * sysdeps/generic/bits/ioctl-types.h: Likewise. * sysdeps/generic/bits/ioctls.h: Likewise. * sysdeps/generic/bits/ipc.h: Likewise. * sysdeps/generic/bits/msq.h: Likewise. * sysdeps/generic/bits/poll.h: Likewise. * sysdeps/generic/bits/resource.h: Likewise. * sysdeps/generic/bits/sched.h: Likewise. * sysdeps/generic/bits/sem.h: Likewise. * sysdeps/generic/bits/setjmp.h: Likewise. * sysdeps/generic/bits/shm.h: Likewise. * sysdeps/generic/bits/sigaction.h: Likewise. * sysdeps/generic/bits/sigcontext.h: Likewise. * sysdeps/generic/bits/socket.h: Likewise. * sysdeps/generic/bits/stat.h: Likewise. * sysdeps/generic/bits/statfs.h: Likewise. * sysdeps/generic/bits/stdio_lim.h: Likewise. * sysdeps/generic/bits/termios.h: Likewise. * sysdeps/generic/bits/time.h: Likewise. * sysdeps/generic/bits/uio.h: Likewise. * sysdeps/generic/bits/utmp.h: Likewise. * sysdeps/generic/bits/utmpx.h: Likewise. * sysdeps/generic/bits/utsname.h: Likewise. * sysdeps/generic/bits/waitflags.h: Likewise. * sysdeps/generic/bits/waitstatus.h: Likewise. * sysdeps/gnu/bits/utmp.h: Likewise. * sysdeps/gnu/bits/utmpx.h: Likewise. * sysdeps/i386/bits/byteswap.h: Likewise. * sysdeps/i386/bits/endian.h: Likewise. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/i386/bits/setjmp.h: Likewise. * sysdeps/i386/fpu/bits/fenv.h: Likewise. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/m68k/bits/byteswap.h: Likewise. * sysdeps/m68k/bits/endian.h: Likewise. * sysdeps/m68k/bits/setjmp.h: Likewise. * sysdeps/m68k/fpu/bits/fenv.h: Likewise. * sysdeps/mach/hurd/alpha/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/bits/ioctls.h: Likewise. * sysdeps/mach/hurd/bits/stat.h: Likewise. * sysdeps/mach/hurd/hppa/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/i386/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/mips/bits/sigcontext.h: Likewise. * sysdeps/mips/bits/dlfcn.h: Likewise. * sysdeps/mips/bits/endian.h: Likewise. * sysdeps/mips/bits/setjmp.h: Likewise. * sysdeps/mips/dec/bits/endian.h: Likewise. * sysdeps/mips/mips64/bits/setjmp.h: Likewise. * sysdeps/mips/mipsel/bits/endian.h: Likewise. * sysdeps/mips/p40/bits/endian.h: Likewise. * sysdeps/powerpc/bits/endian.h: Likewise. * sysdeps/powerpc/bits/fenv.h: Likewise. * sysdeps/powerpc/bits/setjmp.h: Likewise. * sysdeps/sparc/sparc32/bits/endian.h: Likewise. * sysdeps/sparc/sparc32/bits/setjmp.h: Likewise. * sysdeps/sparc/sparc32/fpu/bits/fenv.h: Likewise. * sysdeps/sparc/sparc64/bits/endian.h: Likewise. * sysdeps/sparc/sparc64/fpu/bits/fenv.h: Likewise. * sysdeps/unix/bsd/bits/dirent.h: Likewise. * sysdeps/unix/bsd/bits/stat.h: Likewise. * sysdeps/unix/bsd/bits/waitflags.h: Likewise. * sysdeps/unix/bsd/bsd4.4/bits/dirent.h: Likewise. * sysdeps/unix/bsd/osf/alpha/bits/stat.h: Likewise. * sysdeps/unix/bsd/osf/bits/sigaction.h: Likewise. * sysdeps/unix/bsd/sun/m68k/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/sun/sparc/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/resource.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/termios.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/bits/utsname.h: Likewise. * sysdeps/unix/bsd/ultrix4/bits/utsname.h: Likewise. * sysdeps/unix/bsd/ultrix4/mips/bits/sigcontext.h: Likewise. * sysdeps/unix/common/bits/dirent.h: Likewise. * sysdeps/unix/sysv/bits/dirent.h: Likewise. * sysdeps/unix/sysv/bits/stat.h: Likewise. * sysdeps/unix/sysv/bits/utmp.h: Likewise. * sysdeps/unix/sysv/bits/utsname.h: Likewise. * sysdeps/unix/sysv/irix4/bits/confname.h: Likewise. * sysdeps/unix/sysv/irix4/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/dirent.h: Likewise. * sysdeps/unix/sysv/linux/bits/in.h: Likewise. * sysdeps/unix/sysv/linux/bits/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/bits/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/bits/msq.h: Likewise. * sysdeps/unix/sysv/linux/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/bits/resource.h: Likewise. * sysdeps/unix/sysv/linux/bits/sched.h: Likewise. * sysdeps/unix/sysv/linux/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/bits/sigcontext.h: Likewise. * sysdeps/unix/sysv/linux/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/bits/statfs.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/uio.h: Likewise. * sysdeps/unix/sysv/linux/bits/utsname.h: Likewise. * sysdeps/unix/sysv/linux/bits/waitflags.h: Likewise. * sysdeps/unix/sysv/linux/i386/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/endian.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/statfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/ioctl-types.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Likewise. * sysdeps/unix/sysv/minix/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/bits/confname.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sysv4/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sysv4/bits/utsname.h: Likewise. * sysdeps/unix/sysv/sysv4/bits/waitflags.h: Likewise. * sysdeps/unix/sysv/sysv4/i386/bits/stat.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/bits/stat.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/sparc/bits/sigcontext.h: Likewise. * sysdeps/vax/bits/huge_val.h: Likewise. * sysdeps/vax/bits/setjmp.h: Likewise. * sysdeps/wordsize-32/bits/elfclass.h: Likewise. * sysdeps/wordsize-64/bits/elfclass.h: Likewise. 1997-11-25 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libio/stdio.h: Correct comment of sys_nerr/sys_errlist 1997-11-25 Paul Eggert <eggert@shade.twinsun.com> * strftime.c (strftime): No longer any need to undef or declare if emacs is defined. (my_strftime): When checking a -1 returned by mktime, don't blow up if localtime_r returns NULL. 1997-11-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * README.template: Fix spelling. 1997-11-25 Andreas Jaeger <aj@arthur.rhein-neckar.de> * configure.in: Enhance --enable-add-ons description a wee bit. 1997-11-24 Andreas Jaeger <aj@arthur.rhein-neckar.de> * glibcbug.in: Add more information of build environment and flags. 1997-11-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/posix/getcwd.c: Recognize EOF from readdir and translate it into ENOENT.
1997-11-26 12:23:08 +08:00
#ifndef _SYS_POLL_H
# error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
#endif
Update. 1997-08-29 02:36 Ulrich Drepper <drepper@cygnus.com> * Makefile (version-info.h): Use ISO form for the date. * catgets/catgetsinfo.h: Include <bits/libc-lock.h>. (struct catalog_obj): Add lock field. (__open_catalog): Remove second parameter from prototype. * catgets/catgets.c (catopen): Initialize lock field. (catgets): Don't pass second parameter to __open_catalog. * catgets/gencat.c: Initialize lock field and don't pass second parameter to __open_catalog. * catgets/open_catalog.c (__open_catalog): Decide about use of path by examining path in struct, not based on extra argument. Acquire a the lock before trying to load the catalog and release it before returning. * csu/Makefile (abi-tag.h): Make sure target directory exists. * io/Makefile (headers): Add bits/poll.h. * io/sys/poll.h: Remove definitions of POLL* constants. Include <bits/poll.h>. * sysdeps/generic/bits/poll.h: New file. * sysdeps/unix/sysv/linux/bits/poll.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/poll.h: New file. * sysdeps/unix/sysv/linux/mips/bits/poll.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/poll.h: New file. * libio/fileops.c (_IO_file_read, _IO_file_write): Remove dead code. * malloc/obstack.c: Add casts to keep very verbose compilers on 64bit machine quiet. * nss/Makefile (libnss_db.so): Find libdb.so in db2 directory. 1997-08-28 17:30 Ulrich Drepper <drepper@cygnus.com> * catgets/catgets.c (catopen): Correctly determine length of string in NLSPATH evironment variable. Patch by HJ Lu <hjl@gnu.ai.mit.edu>. 1997-08-27 23:19 Richard Henderson <rth@cygnus.com> * sysdeps/generic/dl-sysdep.c (DL_FIND_ARG_COMPONENTS): Provide default macro to track down arguments from stack start. (_dl_sysdep_start): Use it. * sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Truncate to simply providing a special DL_FIND_ARG_COMPONENTS and including the next file up the line. * sysdeps/powerpc/e_sqrt.c: Move contents to w_sqrt.c and provide stub. * sysdeps/powerpc/e_sqrtf.c: Likewise. * sysdeps/powerpc/s_copysignf.S: Provide empty file; symbol is with the double precision version. * sysdeps/powerpc/s_fabsf.S: Likewise. * sysdeps/powerpc/s_isnanf.S: Likewise.
1997-08-29 09:19:12 +08:00
/* Event types that can be polled for. These bits may be set in `events'
to indicate the interesting event types; they will appear in `revents'
to indicate the status of the file descriptor. */
#define POLLIN 01 /* There is data to read. */
#define POLLPRI 02 /* There is urgent data to read. */
#define POLLOUT 04 /* Writing now will not block. */
/* Some aliases. */
#define POLLWRNORM POLLOUT
#define POLLRDNORM POLLIN
#define POLLRDBAND POLLPRI
Update. 1997-08-29 02:36 Ulrich Drepper <drepper@cygnus.com> * Makefile (version-info.h): Use ISO form for the date. * catgets/catgetsinfo.h: Include <bits/libc-lock.h>. (struct catalog_obj): Add lock field. (__open_catalog): Remove second parameter from prototype. * catgets/catgets.c (catopen): Initialize lock field. (catgets): Don't pass second parameter to __open_catalog. * catgets/gencat.c: Initialize lock field and don't pass second parameter to __open_catalog. * catgets/open_catalog.c (__open_catalog): Decide about use of path by examining path in struct, not based on extra argument. Acquire a the lock before trying to load the catalog and release it before returning. * csu/Makefile (abi-tag.h): Make sure target directory exists. * io/Makefile (headers): Add bits/poll.h. * io/sys/poll.h: Remove definitions of POLL* constants. Include <bits/poll.h>. * sysdeps/generic/bits/poll.h: New file. * sysdeps/unix/sysv/linux/bits/poll.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/poll.h: New file. * sysdeps/unix/sysv/linux/mips/bits/poll.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/poll.h: New file. * libio/fileops.c (_IO_file_read, _IO_file_write): Remove dead code. * malloc/obstack.c: Add casts to keep very verbose compilers on 64bit machine quiet. * nss/Makefile (libnss_db.so): Find libdb.so in db2 directory. 1997-08-28 17:30 Ulrich Drepper <drepper@cygnus.com> * catgets/catgets.c (catopen): Correctly determine length of string in NLSPATH evironment variable. Patch by HJ Lu <hjl@gnu.ai.mit.edu>. 1997-08-27 23:19 Richard Henderson <rth@cygnus.com> * sysdeps/generic/dl-sysdep.c (DL_FIND_ARG_COMPONENTS): Provide default macro to track down arguments from stack start. (_dl_sysdep_start): Use it. * sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Truncate to simply providing a special DL_FIND_ARG_COMPONENTS and including the next file up the line. * sysdeps/powerpc/e_sqrt.c: Move contents to w_sqrt.c and provide stub. * sysdeps/powerpc/e_sqrtf.c: Likewise. * sysdeps/powerpc/s_copysignf.S: Provide empty file; symbol is with the double precision version. * sysdeps/powerpc/s_fabsf.S: Likewise. * sysdeps/powerpc/s_isnanf.S: Likewise.
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/* Event types always implicitly polled for. These bits need not be set in
`events', but they will appear in `revents' to indicate the status of
the file descriptor. */
#define POLLERR 010 /* Error condition. */
#define POLLHUP 020 /* Hung up. */
#define POLLNVAL 040 /* Invalid polling request. */
/* Canonical number of polling requests to read in at a time in poll. */
#define NPOLLFILE 30