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| author | Ulrich Drepper <drepper@redhat.com> | 2007-05-10 23:38:55 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-05-10 23:38:55 +0000 |
| commit | 3771196d1d5ac6a4213fdb77b4974ca69cd1ae09 (patch) | |
| tree | a0158e9daf2ba473c3a24e4ba3c068ea4aa36bc9 /sysdeps/unix/sysv/linux/x86_64 | |
| parent | f9bf102dd663c2e498e7755bb4bd35d79c8dc37b (diff) | |
| download | glibc-3771196d1d5ac6a4213fdb77b4974ca69cd1ae09.tar.gz glibc-3771196d1d5ac6a4213fdb77b4974ca69cd1ae09.tar.xz glibc-3771196d1d5ac6a4213fdb77b4974ca69cd1ae09.zip | |
* sysdeps/unix/sysv/linux/sched_setaffinity.c cvs/fedora-glibc-20070510T2308 cvs/fedora-glibc-20070510T2304
(__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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c b/sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c new file mode 100644 index 0000000000..d1101c56f5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c @@ -0,0 +1,14 @@ +#include <tls.h> + +#define RESET_VGETCPU_CACHE() \ + do { \ + asm volatile ("movl %0, %%fs:%P1\n\t" \ + "movl %0, %%fs:%P2" \ + : \ + : "ir" (0), "i" (offsetof (struct pthread, \ + header.vgetcpu_cache[0])), \ + "i" (offsetof (struct pthread, \ + header.vgetcpu_cache[1]))); \ + } while (0) + +#include "../sched_setaffinity.c" |