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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* Copyright (C) 2000-2012 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 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, see
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<http://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <errno.h>
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#include <sysdep-cancel.h> /* Must come before <fcntl.h>. */
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#include <fcntl.h>
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#include <stdarg.h>
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#include <sys/syscall.h>
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#ifndef NO_CANCELLATION
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int
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__fcntl_nocancel (int fd, int cmd, ...)
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{
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va_list ap;
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void *arg;
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va_start (ap, cmd);
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arg = va_arg (ap, void *);
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va_end (ap);
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return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
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}
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#endif /* NO_CANCELLATION */
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int
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__libc_fcntl (int fd, int cmd, ...)
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{
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va_list ap;
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void *arg;
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va_start (ap, cmd);
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arg = va_arg (ap, void *);
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va_end (ap);
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if (SINGLE_THREAD_P || (cmd != F_SETLKW && cmd != F_SETLKW64))
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return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
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int oldtype = LIBC_CANCEL_ASYNC ();
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int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
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LIBC_CANCEL_RESET (oldtype);
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return result;
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}
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libc_hidden_def (__libc_fcntl)
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weak_alias (__libc_fcntl, __fcntl)
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libc_hidden_weak (__fcntl)
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weak_alias (__libc_fcntl, fcntl)
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