src/ipc/semctl.c

   1 #include <sys/sem.h>
   2 #include <stdarg.h>
   3 #include "syscall.h"
   4 #include "ipc.h"
   5
   6 int semctl(int id, int num, int cmd, ...)
   7 {
   8         long arg;
   9         va_list ap;
  10         va_start(ap, cmd);
  11         arg = va_arg(ap, long);
  12         va_end(ap);
  13 #ifdef SYS_semctl
  14         return syscall(SYS_semctl, id, num, cmd | IPC_64, arg);
  15 #else
  16         return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg);
  17 #endif
  18 }