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* sysdeps/generic/utmp_file.c: Use not-cancelable syscalls all over the place. It would be allowed to have these fucntions as cancellation points but the cleanup would be ugly and a lot of work. * sysdeps/generic/not-cancel.h (fcntl_not_cancel): Define. * sysdeps/unix/sysv/linux/not-cancel.h (fcntl_not_cancel): Define. * include/fcntl.h (__fcntl_nocancel): Declare. * sysdeps/unix/sysv/linux/fcntl.c: New file. * sysdeps/unix/sysv/linux/i386/fcntl.c (__libc_fcntl): Only enable cancellation if absolutely needed. (__fcntl_nocancel): Define. * posix/unistd.h (gethostid): Remove __THROW. Clarify comment. * sysdeps/unix/sysv/linux/Makefile (CFLAGS-gethostid.c): Add -fexceptions. * sysdeps/unix/sysv/linux/gethostid.c (gethostid): Use extend_alloca. * resolv/res_init.c (__res_nclose): Use close_not_cancel_no_status instead of __close.
40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/* Uncancelable versions of cancelable interfaces. Generic version.
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Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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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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/* By default we have none. Map the name to the normal functions. */
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#define open_not_cancel(name, flags, mode) \
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__libc_open (name, flags, mode)
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#define open_not_cancel_2(name, flags) \
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__libc_open (name, flags)
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#define close_not_cancel(fd) \
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__close (fd)
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#define close_not_cancel_no_status(fd) \
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(void) __close (fd)
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#define read_not_cancel(fd, buf, n) \
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__read (fd, buf, n)
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#define write_not_cancel(fd, buf, n) \
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__write (fd, buf, n)
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#define writev_not_cancel_no_status(fd, iov, n) \
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(void) __writev (fd, iov, n)
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#define fcntl_not_cancel(fd, cmd, val) \
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__fcntl (fd, cmd, val)
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# define waitpid_not_cancel(pid, stat_loc, options) \
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__waitpid (pid, stat_loc, options)
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