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author | Ulrich Drepper <drepper@redhat.com> | 2003-03-18 05:31:53 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-18 05:31:53 +0000 |
commit | 4773086e0498c99ee11422fc39606e9a53f12502 (patch) | |
tree | 3fe27fef04df3b0f2fd09d99898d5e412266e86a /nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c | |
parent | 970269474a7a5c5fe515adc6d55aeb2a796b73dd (diff) | |
download | glibc-4773086e0498c99ee11422fc39606e9a53f12502.tar.gz glibc-4773086e0498c99ee11422fc39606e9a53f12502.tar.xz glibc-4773086e0498c99ee11422fc39606e9a53f12502.zip |
Update.
* sysdeps/unix/sysv/linux/ia64/pthread_once.c: Use __builtin_expect. Use __lll_add instead of spelling it out. Use protected symbol names. * sysdeps/unix/sysv/linux/ia64/sem_post.c: Use __builtin_expect. Use __lll_add. * sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_compare_and_swap): Renamed from lll_compare_and_swap. Use new name where necessary. (__lll_add): Defined. (__lll_dec_if_positive): Defined. (__lll_test_and_set): Defined. * sysdeps/ia64/pthread_spin_init.c: Removed. * sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c: Removed. * sysdeps/unix/sysv/linux/ia64/sem_trywait.c: Removed. * sysdeps/unix/sysv/linux/ia64/sem_wait.c: Removed. * sysdeps/unix/sysv/linux/ia64/lowlevellock.c: Removed. * sysdeps/unix/sysv/linux/ia64/libc-lowlevellock.c: Removed. * sysdeps/unix/sysv/linux/ia64/libc-lowlevelmutex.c: Removed. * sysdeps/unix/sysv/linux/ia64/sem_timedwait.c: Removed.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c b/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c index e5cb6132d9..2f671fac41 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c +++ b/nptl/sysdeps/unix/sysv/linux/ia64/pthread_once.c @@ -52,10 +52,10 @@ __pthread_once (once_control, init_routine) oldval = val; newval = (oldval & 3) | __fork_generation | 1; + val = __lll_compare_and_swap (once_control, oldval, newval); } - while ((val = lll_compare_and_swap (once_control, oldval, newval)) - != oldval); - + while (__builtin_expect (val != oldval, 0)); + /* Check if another thread already runs the initializer. */ if ((oldval & 1) != 0) { @@ -80,11 +80,7 @@ __pthread_once (once_control, init_routine) /* Add one to *once_control. */ - val = *once_control; - do - oldval = val; - while ((val = lll_compare_and_swap (once_control, oldval, oldval + 1)) - != oldval); + __lll_add (once_control, 1); /* Wake up all other threads. */ lll_futex_wake (once_control, INT_MAX); |