diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c index d28b6f2f3..467e8ec70 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -24,7 +24,7 @@ #include <sys/types.h> -size_t __kernel_cpumask_size; +size_t __kernel_cpumask_size attribute_hidden; /* Determine the current affinity. As a side affect we learn @@ -71,8 +71,7 @@ pthread_setaffinity_np (pthread_t th, size_t cpusetsize, /* We now know the size of the kernel cpumask_t. Make sure the user does not request to set a bit beyond that. */ - size_t cnt; - for (cnt = __kernel_cpumask_size; cnt < cpusetsize; ++cnt) + for (size_t cnt = __kernel_cpumask_size; cnt < cpusetsize; ++cnt) if (((char *) cpuset)[cnt] != '\0') /* Found a nonzero byte. This means the user request cannot be fulfilled. */ @@ -80,6 +79,12 @@ pthread_setaffinity_np (pthread_t th, size_t cpusetsize, 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); |