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 } 75