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Update.
2004-03-18 Ulrich Drepper <drepper@redhat.com> * posix/sched.h: Change sched_getaffinity and sched_setaffinity interfaces: add new second parameter. * sysdeps/generic/sched_getaffinity.c: Implement interface change. * sysdeps/generic/sched_setaffinity.c: Likewise. * sysdeps/unix/sysv/linux/sched_getaffinity.c: Likewise. Add compatibility interface. * sysdeps/unix/sysv/linux/sched_setaffinity.c: Likewise. * sysdeps/unix/sysv/linux/Versions: Add versions for changed interfaces.
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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@ -18,27 +18,43 @@
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02111-1307 USA. */
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#include <errno.h>
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#include <limits.h>
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#include <pthreadP.h>
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#include <string.h>
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#include <sysdep.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <shlib-compat.h>
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int
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pthread_getaffinity_np (th, cpuset)
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pthread_t th;
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cpu_set_t *cpuset;
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__pthread_getaffinity_new (pthread_t th, size_t cpusetsize, cpu_set_t *cpuset)
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{
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struct pthread *pd = (struct pthread *) th;
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const struct pthread *pd = (const struct pthread *) th;
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INTERNAL_SYSCALL_DECL (err);
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int res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, pd->tid,
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sizeof (cpu_set_t), cpuset);
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MIN (UINT_MAX, cpusetsize), cpuset);
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if (INTERNAL_SYSCALL_ERROR_P (res, err))
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return INTERNAL_SYSCALL_ERRNO (res, err);
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/* Clean the rest of the memory the kernel didn't do. */
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memset ((char *) cpuset + res, '\0', sizeof (cpu_set_t) - res);
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memset ((char *) cpuset + res, '\0', cpusetsize - res);
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return 0;
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}
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hidden_def (pthread_getaffinity_np)
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strong_alias (__pthread_getaffinity_new, __pthread_getaffinity_np)
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versioned_symbol (libpthread, __pthread_getaffinity_new,
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pthread_getaffinity_np, GLIBC_2_3_4);
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#if SHLIB_COMPAT(libpthread, 2_3_3, 2_3_4)
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int
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__pthread_getaffinity_old (const pthread_attr_t *attr, cpu_set_t *cpuset)
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{
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/* The old interface by default assumed a 1024 processor bitmap. */
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return __pthread_getaffinity_new (attr, 128, cpuset);
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}
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compat_symbol (libpthread, __pthread_getaffinity_old, pthread_getaffinity_np,
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GLIBC_2_3_3);
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#endif
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