xref: /xnu-8020.101.4/tests/posix_spawn_file_actions_add_fileportdup2_np.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions #include <darwintest.h>
2*e7776783SApple OSS Distributions 
3*e7776783SApple OSS Distributions #include <errno.h>
4*e7776783SApple OSS Distributions #include <libproc.h>
5*e7776783SApple OSS Distributions #include <signal.h>
6*e7776783SApple OSS Distributions #include <spawn.h>
7*e7776783SApple OSS Distributions #include <spawn_private.h>
8*e7776783SApple OSS Distributions #include <stdbool.h>
9*e7776783SApple OSS Distributions #include <stdint.h>
10*e7776783SApple OSS Distributions #include <stdio.h>
11*e7776783SApple OSS Distributions #include <stdlib.h>
12*e7776783SApple OSS Distributions #include <string.h>
13*e7776783SApple OSS Distributions #include <sys/proc_info.h>
14*e7776783SApple OSS Distributions #include <sys/spawn_internal.h>
15*e7776783SApple OSS Distributions #include <sys/sysctl.h>
16*e7776783SApple OSS Distributions #include <sysexits.h>
17*e7776783SApple OSS Distributions #include <unistd.h>
18*e7776783SApple OSS Distributions #include <sys/fileport.h>
19*e7776783SApple OSS Distributions 
20*e7776783SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
21*e7776783SApple OSS Distributions 
22*e7776783SApple OSS Distributions T_DECL(posix_spawn_file_actions_add_fileportdup2_np,
23*e7776783SApple OSS Distributions     "Check posix_spawnattr for posix_spawn_file_actions_add_fileportdup2_np",
24*e7776783SApple OSS Distributions     T_META_ASROOT(true))
25*e7776783SApple OSS Distributions {
26*e7776783SApple OSS Distributions 	posix_spawnattr_t attr;
27*e7776783SApple OSS Distributions 	posix_spawn_file_actions_t fact;
28*e7776783SApple OSS Distributions 	int ret, pipes[2];
29*e7776783SApple OSS Distributions 	mach_port_t mp;
30*e7776783SApple OSS Distributions 
31*e7776783SApple OSS Distributions 	ret = pipe(pipes);
32*e7776783SApple OSS Distributions 	T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "pipe");
33*e7776783SApple OSS Distributions 
34*e7776783SApple OSS Distributions 	ret = fileport_makeport(pipes[1], &mp);
35*e7776783SApple OSS Distributions 	T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "fileport_makefd");
36*e7776783SApple OSS Distributions 
37*e7776783SApple OSS Distributions 	ret = posix_spawnattr_init(&attr);
38*e7776783SApple OSS Distributions 	T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawnattr_init");
39*e7776783SApple OSS Distributions 
40*e7776783SApple OSS Distributions 	ret = posix_spawn_file_actions_init(&fact);
41*e7776783SApple OSS Distributions 	T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_init");
42*e7776783SApple OSS Distributions 
43*e7776783SApple OSS Distributions 	ret = posix_spawn_file_actions_add_fileportdup2_np(&fact, mp, STDOUT_FILENO);
44*e7776783SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_add_fileportdup2_np");
45*e7776783SApple OSS Distributions 
46*e7776783SApple OSS Distributions 	char * const prog = "/bin/echo";
47*e7776783SApple OSS Distributions 	char * const argv_child[] = { prog, "1", NULL };
48*e7776783SApple OSS Distributions 	pid_t child_pid;
49*e7776783SApple OSS Distributions 	extern char   **environ;
50*e7776783SApple OSS Distributions 
51*e7776783SApple OSS Distributions 	ret = posix_spawn(&child_pid, prog, &fact, &attr, argv_child, environ);
52*e7776783SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn");
53*e7776783SApple OSS Distributions 
54*e7776783SApple OSS Distributions 	ret = posix_spawn_file_actions_destroy(&fact);
55*e7776783SApple OSS Distributions 	T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_destroy");
56*e7776783SApple OSS Distributions 
57*e7776783SApple OSS Distributions 	ret = posix_spawnattr_destroy(&attr);
58*e7776783SApple OSS Distributions 	T_QUIET; T_ASSERT_POSIX_SUCCESS(ret, "posix_spawnattr_destroy");
59*e7776783SApple OSS Distributions 
60*e7776783SApple OSS Distributions 	T_LOG("parent: spawned child with pid %d\n", child_pid);
61*e7776783SApple OSS Distributions 
62*e7776783SApple OSS Distributions 	int status = 0;
63*e7776783SApple OSS Distributions 	int waitpid_result = waitpid(child_pid, &status, 0);
64*e7776783SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(waitpid_result, "waitpid");
65*e7776783SApple OSS Distributions 	T_ASSERT_EQ(waitpid_result, child_pid, "waitpid should return child we spawned");
66*e7776783SApple OSS Distributions 	T_ASSERT_EQ(WIFEXITED(status), 1, "child should have exited normally");
67*e7776783SApple OSS Distributions 	T_ASSERT_EQ(WEXITSTATUS(status), EX_OK, "child should have exited with success");
68*e7776783SApple OSS Distributions 
69*e7776783SApple OSS Distributions 	char buf[1];
70*e7776783SApple OSS Distributions 	ssize_t rc = read(pipes[0], buf, sizeof(buf));
71*e7776783SApple OSS Distributions 	T_ASSERT_POSIX_SUCCESS(rc, "read");
72*e7776783SApple OSS Distributions 	T_ASSERT_EQ(rc, 1l, "should have read one byte");
73*e7776783SApple OSS Distributions 	T_ASSERT_EQ(buf[0], '1', "should have read '1'");
74*e7776783SApple OSS Distributions }
75