src/process/vfork.c

   1 #define _GNU_SOURCE
   2 #include <unistd.h>
   3 #include <signal.h>
   4 #include "syscall.h"
   5
   6 pid_t vfork(void)
   7 {
   8         /* vfork syscall cannot be made from C code */
   9 #ifdef SYS_fork
  10         return syscall(SYS_fork);
  11 #else
  12         return syscall(SYS_clone, SIGCHLD, 0);
  13 #endif
  14 }