1#define _GNU_SOURCE 2#include <sys/sem.h> 3#include "syscall.h" 4#include "ipc.h" 5 6int semtimedop(int id, struct sembuf *buf, size_t n, const struct timespec *ts) 7{ 8#ifdef SYS_semtimedop 9 return syscall(SYS_semtimedop, id, buf, n, ts); 10#else 11 return syscall(SYS_ipc, IPCOP_semtimedop, id, n, 0, buf, ts); 12#endif 13} 14