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| author | Ulrich Drepper <drepper@redhat.com> | 2000-07-19 05:36:15 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-07-19 05:36:15 +0000 |
| commit | a48297fdf310f0bf0fb29df1e185dd5f1561c1c1 (patch) | |
| tree | 4909f4b6ec767d01616f31efc78a7d7b184ca00e /linuxthreads | |
| parent | 247c88694bd583af7967c9d785d5c3ebbd843de5 (diff) | |
| download | glibc-a48297fdf310f0bf0fb29df1e185dd5f1561c1c1.tar glibc-a48297fdf310f0bf0fb29df1e185dd5f1561c1c1.tar.gz glibc-a48297fdf310f0bf0fb29df1e185dd5f1561c1c1.tar.bz2 glibc-a48297fdf310f0bf0fb29df1e185dd5f1561c1c1.zip | |
Update.
* spinlock.h (__pthread_trylock): Use __compare_and_swap, not
compare_and_swap.
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 3 | ||||
| -rw-r--r-- | linuxthreads/spinlock.h | 6 |
2 files changed, 6 insertions, 3 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 750ad05989..1351c25495 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,5 +1,8 @@ 2000-07-18 Ulrich Drepper <drepper@redhat.com> + * spinlock.h (__pthread_trylock): Use __compare_and_swap, not + compare_and_swap. + * pthread.c (pthread_initialize): Don't use syscond to determine whether the machine has more than one processor. diff --git a/linuxthreads/spinlock.h b/linuxthreads/spinlock.h index 435271d812..17efd183cd 100644 --- a/linuxthreads/spinlock.h +++ b/linuxthreads/spinlock.h @@ -22,7 +22,7 @@ semantics (it completes after previous writes.) For those platforms on which they are the same. HAS_COMPARE_AND_SWAP - should be defined. For those platforms on which they are different, + should be defined. For those platforms on which they are different, HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS has to be defined. */ #ifndef HAS_COMPARE_AND_SWAP @@ -115,12 +115,12 @@ static inline int __pthread_trylock (struct _pthread_fastlock * lock) do { oldstatus = lock->__status; if (oldstatus != 0) return EBUSY; - } while(! compare_and_swap(&lock->__status, 0, 1, &lock->__spinlock)); + } while(! __compare_and_swap(&lock->__status, 0, 1)); return 0; #endif } -/* Variation of internal lock used for pthread_mutex_t, supporting +/* Variation of internal lock used for pthread_mutex_t, supporting timed-out waits. Warning: do not mix these operations with the above ones over the same lock object! */ |