diff options
Diffstat (limited to 'libc/nptl/sem_init.c')
-rw-r--r-- | libc/nptl/sem_init.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libc/nptl/sem_init.c b/libc/nptl/sem_init.c new file mode 100644 index 000000000..8709911ac --- /dev/null +++ b/libc/nptl/sem_init.c @@ -0,0 +1,55 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <semaphore.h> +#include <lowlevellock.h> +#include <shlib-compat.h> +#include "semaphoreP.h" + + +int +__new_sem_init (sem, pshared, value) + sem_t *sem; + int pshared; + unsigned int value; +{ + /* Parameter sanity check. */ + if (__builtin_expect (value > SEM_VALUE_MAX, 0)) + { + __set_errno (EINVAL); + return -1; + } + + /* Map to the internal type. */ + struct sem *isem = (struct sem *) sem; + + /* Use the value the user provided. */ + isem->count = value; + + /* We can completely ignore the PSHARED parameter since inter-process + use needs no special preparation. */ + + return 0; +} +versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1); +#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) +strong_alias (__new_sem_init, __old_sem_init) +compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0); +#endif |