zig/lib/libc/musl/src/thread/sem_init.c
Andrew Kelley 49d1a4c562 move lib dirs to lib subdir
also start prefering NtDll API. so far:
 * NtQueryInformationFile
 * NtClose

adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
2019-07-15 17:54:50 -04:00

16 lines
276 B
C
Vendored

#include <semaphore.h>
#include <limits.h>
#include <errno.h>
int sem_init(sem_t *sem, int pshared, unsigned value)
{
if (value > SEM_VALUE_MAX) {
errno = EINVAL;
return -1;
}
sem->__val[0] = value;
sem->__val[1] = 0;
sem->__val[2] = pshared ? 0 : 128;
return 0;
}