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author | Mystery Man <unknown@mandriva.org> | 2002-07-23 11:21:56 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2002-07-23 11:21:56 +0000 |
commit | 882ed9f801f347b87e162777b296d5be79b8b7ba (patch) | |
tree | b3ee4e9e881f5bda8d243626aac2bea772f25e68 /mdk-stage1/dietlibc/libpthread/pthread_spinlock.c | |
parent | 127a73d935d78af53d3dadd05d4636f6b717976d (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V1_1_8_9mdk'.V1_1_8_9mdk
Diffstat (limited to 'mdk-stage1/dietlibc/libpthread/pthread_spinlock.c')
-rw-r--r-- | mdk-stage1/dietlibc/libpthread/pthread_spinlock.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/mdk-stage1/dietlibc/libpthread/pthread_spinlock.c b/mdk-stage1/dietlibc/libpthread/pthread_spinlock.c deleted file mode 100644 index 449782adf..000000000 --- a/mdk-stage1/dietlibc/libpthread/pthread_spinlock.c +++ /dev/null @@ -1,38 +0,0 @@ -#include <time.h> -#include <pthread.h> -#include "thread_internal.h" - -static void __pthread_acquire(int * spinlock) -{ - int cnt = 0; - struct timespec tm; - - while (__testandset(spinlock)) { - if (cnt < MAX_SPIN_COUNT) { - sched_yield(); - cnt++; - } else { - tm.tv_sec = 0; - tm.tv_nsec = SPIN_SLEEP_DURATION; - __libc_nanosleep(&tm, 0); - cnt = 0; - } - } -} - -void __pthread_lock(struct _pthread_fastlock * lock) -{ - __pthread_acquire(&lock->__spinlock); -} - -int __pthread_trylock(struct _pthread_fastlock * lock) -{ - return __testandset(&lock->__spinlock); -} - -int __pthread_unlock(struct _pthread_fastlock * lock) -{ - return (lock->__spinlock = 0); -} - - |