-#define SYSCALL_RETURN_ERRNO
#include "pthread_impl.h"
void __lock(volatile int *l)
* assignment to optimize non-pathological code with no contention. */
while (a_xchg(l, 1))
if (spins) spins--, a_spin();
- else syscall0(__NR_sched_yield);
+ else __syscall(__NR_sched_yield);
}