From b01fe5f792564a4f6606f33f7827b649bdfbd1f4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 4 Jan 2006 00:20:45 +0000 Subject: * sysdeps/unix/sysv/linux/m68k/fchownat.c: Include string.h. * sysdeps/sparc/sparc32/dl-machine.h (LD_SO_PRELOAD): Remove unused define. * sysdeps/sparc/sparc32/bits/atomic.h: Include stdint.h, add {,u}atomic*_t typedefs. (__sparc32_atomic_do_lock): Add __volatile and memory clobber. (__sparc32_atomic_do_unlock): Add memory barrier. (__sparc32_atomic_do_lock24, __sparc32_atomic_do_unlock24): Define. [!SHARED] (__v9_compare_and_exchange_val_32_acq): Define. (__v7_compare_and_exchange_val_acq, __v7_compare_and_exchange_bool_acq, __v7_exchange_acq, __v7_exchange_and_add, __v7_exchange_24_rel, __v7_compare_and_exchange_val_24_acq, __atomic_is_v9, atomic_exchange_acq, atomic_compare_and_exchange_val_24_acq, atomic_exchange_24_rel): Define. [SHARED] (atomic_exchange_and_add): Define. [!SHARED] (__ATOMIC_HWCAP_SPARC_V9): Define. [!SHARED] (_dl_hwcap): New weak decl. * sysdeps/sparc/sparc32/sparcv9/bits/atomic.h (atomic_exchange_24_rel, atomic_compare_and_exchange_val_24_acq): Define. * sysdeps/sparc/sparc64/bits/atomic.h (atomic_exchange_24_rel, atomic_compare_and_exchange_val_24_acq): Define. --- .../unix/sysv/linux/sparc/sparc32/sem_init.c | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c') diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c new file mode 100644 index 0000000000..dffd8c7efa --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c @@ -0,0 +1,63 @@ +/* Copyright (C) 2002, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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 +#include +#include +#include +#include "semaphoreP.h" + +struct sparc_sem +{ + struct sem s; + unsigned char lock; +}; + + +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_sem *isem = (struct sparc_sem *) sem; + + /* Use the value the user provided. */ + isem->s.count = value; + + isem->lock = 0; + + /* 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 -- cgit v1.2.3-70-g09d2