1 #include <sys/sem.h> 2 #include "syscall.h" 3 #include "ipc.h" 4 semop(int id,struct sembuf * buf,size_t n)5int semop(int id, struct sembuf *buf, size_t n) 6 { 7 #ifndef SYS_ipc 8 return syscall(SYS_semop, id, buf, n); 9 #else 10 return syscall(SYS_ipc, IPCOP_semop, id, n, 0, buf); 11 #endif 12 } 13