?? sem_init.c
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/* Copyright (C) 2002, 2007 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 <string.h>#include <semaphore.h>#include <lowlevellock.h>#include <shlib-compat.h>#include "semaphoreP.h"#include <kernel-features.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 sparc_new_sem *isem = (struct sparc_new_sem *) sem; /* Use the values the user provided. */ memset (isem, '\0', sizeof (*isem)); isem->value = value;#ifdef __ASSUME_PRIVATE_FUTEX isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG;#else isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF, header.private_futex);#endif return 0;}versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1);#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)intattribute_compat_text_section__old_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 sparc_old_sem *isem = (struct sparc_old_sem *) sem; /* Use the value the user provided. */ memset (isem, '\0', sizeof (*isem)); isem->value = value;#ifdef __ASSUME_PRIVATE_FUTEX isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG;#else isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF, header.private_futex);#endif return 0;}compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0);#endif
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