* sysdeps/unix/sysv/linux/sched_setaffinity.c
(__sched_setaffinity_new): If syscall was successful and RESET_VGETCPU_CACHE is defined, use it before returning. * sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c: New file.
This commit is contained in:
parent
f9bf102dd6
commit
3771196d1d
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@ -1,5 +1,10 @@
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2007-05-10 Ulrich Drepper <drepper@redhat.com>
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2007-05-10 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/sched_setaffinity.c
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(__sched_setaffinity_new): If syscall was successful and
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RESET_VGETCPU_CACHE is defined, use it before returning.
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* sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c: New file.
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* io/sys/stat.h: Make sure struct timespec is defined for
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* io/sys/stat.h: Make sure struct timespec is defined for
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__USE_ATFILE.
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__USE_ATFILE.
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@ -29,7 +29,7 @@
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#include <bits/types.h> /* For __mode_t and __dev_t. */
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#include <bits/types.h> /* For __mode_t and __dev_t. */
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#if defined __USE_XOPEN || defined __USE_XOPEN2K || defined __USE_MISC \
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#if defined __USE_XOPEN || defined __USE_XOPEN2K || defined __USE_MISC \
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|| __USE_ATFILE
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|| defined __USE_ATFILE
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# if defined __USE_XOPEN || defined __USE_XOPEN2K
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# if defined __USE_XOPEN || defined __USE_XOPEN2K
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# define __need_time_t
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# define __need_time_t
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# endif
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# endif
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@ -1,3 +1,10 @@
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2007-05-10 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/pthread_setaffinity.c
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(__pthread_setaffinity_new): If syscall was successful and
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RESET_VGETCPU_CACHE is defined, use it before returning.
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* sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c: New file.
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2007-05-10 Jakub Jelinek <jakub@redhat.com>
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2007-05-10 Jakub Jelinek <jakub@redhat.com>
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[BZ #4455]
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[BZ #4455]
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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@ -79,6 +79,12 @@ __pthread_setaffinity_new (pthread_t th, size_t cpusetsize,
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res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid, cpusetsize,
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res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid, cpusetsize,
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cpuset);
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cpuset);
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#ifdef RESET_VGETCPU_CACHE
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if (!INTERNAL_SYSCALL_ERROR_P (res, err))
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RESET_VGETCPU_CACHE ();
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#endif
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return (INTERNAL_SYSCALL_ERROR_P (res, err)
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return (INTERNAL_SYSCALL_ERROR_P (res, err)
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? INTERNAL_SYSCALL_ERRNO (res, err)
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? INTERNAL_SYSCALL_ERRNO (res, err)
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: 0);
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: 0);
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#include <tls.h>
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#define RESET_VGETCPU_CACHE() \
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do { \
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asm volatile ("movl %0, %%fs:%P1\n\t" \
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"movl %0, %%fs:%P2" \
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: \
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: "ir" (0), "i" (offsetof (struct pthread, \
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header.vgetcpu_cache[0])), \
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"i" (offsetof (struct pthread, \
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header.vgetcpu_cache[1]))); \
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} while (0)
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#include "../pthread_setaffinity.c"
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@ -1,4 +1,5 @@
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/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
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/* Copyright (C) 2002, 2003, 2004, 2005, 2007
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -67,7 +68,14 @@ __sched_setaffinity_new (pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset)
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return -1;
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return -1;
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}
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}
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return INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
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int result = INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
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#ifdef RESET_VGETCPU_CACHE
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if (result != -1)
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RESET_VGETCPU_CACHE ();
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#endif
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return result;
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}
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}
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versioned_symbol (libc, __sched_setaffinity_new, sched_setaffinity,
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versioned_symbol (libc, __sched_setaffinity_new, sched_setaffinity,
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GLIBC_2_3_4);
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GLIBC_2_3_4);
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#include <tls.h>
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#define RESET_VGETCPU_CACHE() \
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do { \
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asm volatile ("movl %0, %%fs:%P1\n\t" \
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"movl %0, %%fs:%P2" \
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: \
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: "ir" (0), "i" (offsetof (struct pthread, \
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header.vgetcpu_cache[0])), \
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"i" (offsetof (struct pthread, \
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header.vgetcpu_cache[1]))); \
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} while (0)
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#include "../sched_setaffinity.c"
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