-#define SYSCALL_RETURN_ERRNO
#include "pthread_impl.h"
void __lock(volatile int *l)
{
- int spins=100000;
+ int spins=10000;
/* Do not use futexes because we insist that unlocking is a simple
* assignment to optimize non-pathological code with no contention. */
- while (a_xchg(l, 1))
+ while (a_swap(l, 1))
if (spins) spins--, a_spin();
- else syscall0(__NR_sched_yield);
+ else __syscall(SYS_sched_yield);
}