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minor locking optimizations

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This commit is contained in:
Rich Felker 2011-06-14 01:23:42 -04:00
parent 0e1762539c
commit 6232b96f51
2 changed files with 2 additions and 2 deletions
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2
src/thread/__lock.c
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@ -2,7 +2,7 @@
void __lock(volatile int *l) void __lock(volatile int *l)
{ {
int spins=100000; int spins=10000;
/* Do not use futexes because we insist that unlocking is a simple /* Do not use futexes because we insist that unlocking is a simple
* assignment to optimize non-pathological code with no contention. */ * assignment to optimize non-pathological code with no contention. */
while (a_xchg(l, 1)) while (a_xchg(l, 1))

2
src/thread/pthread_create.c
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@ -22,7 +22,7 @@ void __pthread_unwind_next(struct __ptcb *cb)
longjmp((void *)cb->__next->__jb, 1); longjmp((void *)cb->__next->__jb, 1);
} }
LOCK(&self->exitlock); __lock(&self->exitlock);
__pthread_tsd_run_dtors(); __pthread_tsd_run_dtors();