tests/posix_spawn_file_actions_add_fileportdup2_np.c

   1 #include <darwintest.h>
   2
   3 #include <errno.h>
   4 #include <libproc.h>
   5 #include <signal.h>
   6 #include <spawn.h>
   7 #include <spawn_private.h>
   8 #include <stdbool.h>
   9 #include <stdint.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <sys/proc_info.h>
  14 #include <sys/spawn_internal.h>
  15 #include <sys/sysctl.h>
  16 #include <sysexits.h>
  17 #include <unistd.h>
  18 #include <sys/fileport.h>
  19
  20 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
  21
  22 T_DECL(posix_spawn_file_actions_add_fileportdup2_np,
  23     "Check posix_spawnattr for posix_spawn_file_actions_add_fileportdup2_np",
  24     T_META_ASROOT(true))
  25 {
  26         posix_spawnattr_t attr;
  27         posix_spawn_file_actions_t fact;
  28         int ret, pipes[2];
  29         mach_port_t mp;
  30
  31         ret = pipe(pipes);
  32         T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "pipe");
  33
  34         ret = fileport_makeport(pipes[1], &mp);
  35         T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "fileport_makefd");
  36
  37         ret = posix_spawnattr_init(&attr);
  38         T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawnattr_init");
  39
  40         ret = posix_spawn_file_actions_init(&fact);
  41         T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_init");
  42
  43         ret = posix_spawn_file_actions_add_fileportdup2_np(&fact, mp, STDOUT_FILENO);
  44         T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_add_fileportdup2_np");
  45
  46         char * const prog = "/bin/echo";
  47         char * const argv_child[] = { prog, "1", NULL };
  48         pid_t child_pid;
  49         extern char   **environ;
  50
  51         ret = posix_spawn(&child_pid, prog, &fact, &attr, argv_child, environ);
  52         T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn");
  53
  54         ret = posix_spawn_file_actions_destroy(&fact);
  55         T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_destroy");
  56
  57         ret = posix_spawnattr_destroy(&attr);
  58         T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawnattr_destroy");
  59
  60         T_LOG("parent: spawned child with pid %d\n", child_pid);
  61
  62         int status = 0;
  63         int waitpid_result = waitpid(child_pid, &status, 0);
  64         T_ASSERT_POSIX_SUCCESS(waitpid_result, "waitpid");
  65         T_ASSERT_EQ(waitpid_result, child_pid, "waitpid should return child we spawned");
  66         T_ASSERT_EQ(WIFEXITED(status), 1, "child should have exited normally");
  67         T_ASSERT_EQ(WEXITSTATUS(status), EX_OK, "child should have exited with success");
  68
  69         char buf[1];
  70         ssize_t rc = read(pipes[0], buf, sizeof(buf));
  71         T_ASSERT_POSIX_SUCCESS(rc, "read");
  72         T_ASSERT_EQ(rc, 1l, "should have read one byte");
  73         T_ASSERT_EQ(buf[0], '1', "should have read '1'");
  74 }