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* sysdeps/generic/sysdep-cancel.h: New file. * sysdeps/unix/make-syscalls.sh: Handle C at start of args as cancelable syscall. * sysdeps/unix/inet/syscalls.list (accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto): Make cancelable. * sysdeps/unix/mman/syscalls.list (msync): Likewise. * sysdeps/unix/sysv/linux/alpha/syscalls.list (llseek, pread, pwrite, accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto, osf_select): Likewise. * sysdeps/unix/sysv/linux/hppa/syscalls.list (accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto): Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list (llseek, pread, pwrite, accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto): Likewise. * sysdeps/unix/sysv/linux/mips/syscalls.list (accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (llseek, pread, pwrite, accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (llseek, pread, pwrite, accept, connect, recv, recvfrom, recvmsg, send, sendmsg, sendto, select): Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list (llseek, pread, pwrite, accept, connect, recvfrom, recvmsg, sendmsg, sendto): Likewise. * sysdeps/unix/sysv/linux/syscalls.list (creat, nanosleep, pause, select, fcntl): Likewise. * sysdeps/unix/sysv/syscalls.list (pause, poll): Likewise. * sysdeps/unix/syscalls.list (close, fcntl, fsync, lseek, open, read, readv, select, sigsuspend, write, writev): Likewise. 2002-12-14 Jakub Jelinek <jakub@redhat.com>
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/* Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <tls.h>
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#if !defined NOT_IN_libc || defined IS_IN_libpthread
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#undef PSEUDO
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#define PSEUDO(name, syscall_name, args) \
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.text; \
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ENTRY (name) \
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cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
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jne L(pseudo_cancel); \
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DO_CALL (syscall_name, args); \
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cmpl $-4095, %eax; \
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jae SYSCALL_ERROR_LABEL; \
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ret; \
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L(pseudo_cancel): \
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call __libc_enable_asynccancel; \
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SAVE_OLDTYPE_##args \
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PUSHARGS_##args \
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DOCARGS_##args \
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movl $SYS_ify (syscall_name), %eax; \
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int $0x80 \
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POPARGS_##args; \
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POPCARGS_##args \
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cmpl $-4095, %eax; \
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jae SYSCALL_ERROR_LABEL; \
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L(pseudo_end):
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#define SAVE_OLDTYPE_0 movl %eax, %ecx;
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#define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0
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#define SAVE_OLDTYPE_2 pushl %eax;
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#define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2
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#define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2
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#define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2
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#define DOCARGS_0 DOARGS_0
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#define DOCARGS_1 DOARGS_1
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#define DOCARGS_2 _DOARGS_2 (12)
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#define DOCARGS_3 _DOARGS_3 (20)
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#define DOCARGS_4 _DOARGS_4 (28)
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#define DOCARGS_5 _DOARGS_5 (36)
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#define DISABLE call __libc_disable_asynccancel
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#define POPCARGS_0 pushl %eax; movl %ecx, %eax; DISABLE; popl %eax;
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#define POPCARGS_1 POPCARGS_0
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#define POPCARGS_2 xchgl (%esp), %eax; DISABLE; popl %eax;
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#define POPCARGS_3 POPCARGS_2
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#define POPCARGS_4 POPCARGS_2
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#define POPCARGS_5 POPCARGS_2
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#endif
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