/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include #include #include #include #include #include #include int __pthread_getaffinity_new (pthread_t th, size_t cpusetsize, cpu_set_t *cpuset) { const struct pthread *pd = (const struct pthread *) th; INTERNAL_SYSCALL_DECL (err); int res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, pd->tid, MIN (UINT_MAX, cpusetsize), cpuset); if (INTERNAL_SYSCALL_ERROR_P (res, err)) return INTERNAL_SYSCALL_ERRNO (res, err); /* Clean the rest of the memory the kernel didn't do. */ memset ((char *) cpuset + res, '\0', cpusetsize - res); return 0; } strong_alias (__pthread_getaffinity_new, __pthread_getaffinity_np) versioned_symbol (libpthread, __pthread_getaffinity_new, pthread_getaffinity_np, GLIBC_2_3_4); #if SHLIB_COMPAT(libpthread, 2_3_3, 2_3_4) int __pthread_getaffinity_old (pthread_t th, cpu_set_t *cpuset) { /* The old interface by default assumed a 1024 processor bitmap. */ return __pthread_getaffinity_new (th, 128, cpuset); } compat_symbol (libpthread, __pthread_getaffinity_old, pthread_getaffinity_np, GLIBC_2_3_3); #endif