diff options
Diffstat (limited to 'linuxthreads/spinlock.h')
| -rw-r--r-- | linuxthreads/spinlock.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/linuxthreads/spinlock.h b/linuxthreads/spinlock.h index 0dbaa54e2d..0ec40c57cb 100644 --- a/linuxthreads/spinlock.h +++ b/linuxthreads/spinlock.h @@ -104,10 +104,6 @@ static inline void __pthread_init_lock(struct _pthread_fastlock * lock) static inline int __pthread_trylock (struct _pthread_fastlock * lock) { -#if defined HAS_COMPARE_AND_SWAP - long oldstatus; -#endif - #if defined TEST_FOR_COMPARE_AND_SWAP if (!__pthread_has_cas) #endif @@ -119,8 +115,7 @@ static inline int __pthread_trylock (struct _pthread_fastlock * lock) #if defined HAS_COMPARE_AND_SWAP do { - oldstatus = lock->__status; - if (oldstatus != 0) return EBUSY; + if (lock->__status != 0) return EBUSY; } while(! __compare_and_swap(&lock->__status, 0, 1)); return 0; #endif @@ -146,10 +141,6 @@ static inline void __pthread_alt_init_lock(struct _pthread_fastlock * lock) static inline int __pthread_alt_trylock (struct _pthread_fastlock * lock) { -#if defined HAS_COMPARE_AND_SWAP - long oldstatus; -#endif - #if defined TEST_FOR_COMPARE_AND_SWAP if (!__pthread_has_cas) #endif @@ -173,8 +164,7 @@ static inline int __pthread_alt_trylock (struct _pthread_fastlock * lock) #if defined HAS_COMPARE_AND_SWAP do { - oldstatus = lock->__status; - if (oldstatus != 0) return EBUSY; + if (lock->__status != 0) return EBUSY; } while(! compare_and_swap(&lock->__status, 0, 1, &lock->__spinlock)); return 0; #endif |