diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/pthread_setaffinity.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/pthread_setaffinity.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/pthread_setaffinity.c b/REORG.TODO/sysdeps/unix/sysv/linux/pthread_setaffinity.c new file mode 100644 index 0000000000..a3167717b9 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/pthread_setaffinity.c @@ -0,0 +1,59 @@ +/* Copyright (C) 2003-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthreadP.h> +#include <sysdep.h> +#include <sys/types.h> +#include <shlib-compat.h> + + +int +__pthread_setaffinity_new (pthread_t th, size_t cpusetsize, + const cpu_set_t *cpuset) +{ + const struct pthread *pd = (const struct pthread *) th; + INTERNAL_SYSCALL_DECL (err); + int res; + + res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid, cpusetsize, + cpuset); + +#ifdef RESET_VGETCPU_CACHE + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + RESET_VGETCPU_CACHE (); +#endif + + return (INTERNAL_SYSCALL_ERROR_P (res, err) + ? INTERNAL_SYSCALL_ERRNO (res, err) + : 0); +} +versioned_symbol (libpthread, __pthread_setaffinity_new, + pthread_setaffinity_np, GLIBC_2_3_4); + + +#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4) +int +__pthread_setaffinity_old (pthread_t th, cpu_set_t *cpuset) +{ + /* The old interface by default assumed a 1024 processor bitmap. */ + return __pthread_setaffinity_new (th, 128, cpuset); +} +compat_symbol (libpthread, __pthread_setaffinity_old, pthread_setaffinity_np, + GLIBC_2_3_3); +#endif |