Update.
[glibc.git] / nptl / sem_init.c
blob8709911ac39a9b81f211f583aa3b40e0653a96e5
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <errno.h>
21 #include <semaphore.h>
22 #include <lowlevellock.h>
23 #include <shlib-compat.h>
24 #include "semaphoreP.h"
27 int
28 __new_sem_init (sem, pshared, value)
29 sem_t *sem;
30 int pshared;
31 unsigned int value;
33 /* Parameter sanity check. */
34 if (__builtin_expect (value > SEM_VALUE_MAX, 0))
36 __set_errno (EINVAL);
37 return -1;
40 /* Map to the internal type. */
41 struct sem *isem = (struct sem *) sem;
43 /* Use the value the user provided. */
44 isem->count = value;
46 /* We can completely ignore the PSHARED parameter since inter-process
47 use needs no special preparation. */
49 return 0;
51 versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1);
52 #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
53 strong_alias (__new_sem_init, __old_sem_init)
54 compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0);
55 #endif