launchd/testing/spawn_via_launchd.c

   1 #include <mach/mach.h>
   2 #include <servers/bootstrap.h>
   3 #include <sys/types.h>
   4 #include <sys/time.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdbool.h>
   8 #include <unistd.h>
   9 #include <errno.h>
  10 #include <string.h>
  11 #include <signal.h>
  12 #include <assert.h>
  13 #include <launch.h>
  14 #include <launch_priv.h>
  15
  16 int
  17 main(int argc, const char *const *argv)
  18 {
  19         struct timeval tvs, tve, tvd;
  20         mach_port_t mpo = MACH_PORT_NULL;
  21         int wstatus;
  22         pid_t p;
  23
  24         struct spawn_via_launchd_attr attrs;
  25         memset(&attrs, 0, sizeof(attrs));
  26         attrs.spawn_flags = SPAWN_VIA_LAUNCHD_STOPPED; // | SPAWN_VIA_LAUNCHD_FORCE_PPC;
  27         attrs.spawn_observer_port = &mpo;
  28 #if 0
  29         const char *const env[] = { "FOO=bar", "ROCK=roll", NULL };
  30         attrs.spawn_path = "/bin/booger";
  31         attrs.spawn_chdir = "/Users/me";
  32         attrs.spawn_env = env;
  33 #endif
  34
  35         gettimeofday(&tvs, NULL);
  36         p = spawn_via_launchd("com.example.booger", argv + 1, &attrs);
  37
  38         if (p == -1) {
  39                 fprintf(stderr, "spawn_via_launchd(): %s\n", strerror(errno));
  40                 exit(EXIT_FAILURE);
  41         }
  42
  43         kill(p, SIGCONT);
  44         gettimeofday(&tve, NULL);
  45         timersub(&tve, &tvs, &tvd);
  46         fprintf(stdout, "p == %d mpo = 0x%x in %ld usec\n", p, mpo, tvd.tv_sec * 1000000 + tvd.tv_usec);
  47
  48         assert(mpm_wait(mpo, &wstatus) == 0);
  49
  50         fprintf(stdout, "wstatus == %d\n", wstatus);
  51
  52         exit(EXIT_SUCCESS);
  53 }