xref: /aosp_15_r20/external/ltp/lib/newlib_tests/test_exec.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) 2018 Cyril Hrubis <[email protected]>
4*49cdfc7eSAndroid Build Coastguard Worker  */
5*49cdfc7eSAndroid Build Coastguard Worker 
6*49cdfc7eSAndroid Build Coastguard Worker /*
7*49cdfc7eSAndroid Build Coastguard Worker  * Assert that tst_res() from child started by exec() is propagated to the main
8*49cdfc7eSAndroid Build Coastguard Worker  * test process.
9*49cdfc7eSAndroid Build Coastguard Worker  *
10*49cdfc7eSAndroid Build Coastguard Worker  * This test should be executed as:
11*49cdfc7eSAndroid Build Coastguard Worker  * $ PATH=$PATH:$PWD ./test_exec
12*49cdfc7eSAndroid Build Coastguard Worker  */
13*49cdfc7eSAndroid Build Coastguard Worker 
14*49cdfc7eSAndroid Build Coastguard Worker #define _GNU_SOURCE
15*49cdfc7eSAndroid Build Coastguard Worker #include <unistd.h>
16*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
17*49cdfc7eSAndroid Build Coastguard Worker 
do_test(void)18*49cdfc7eSAndroid Build Coastguard Worker static void do_test(void)
19*49cdfc7eSAndroid Build Coastguard Worker {
20*49cdfc7eSAndroid Build Coastguard Worker 	char *const argv[] = {"test_exec_child", NULL};
21*49cdfc7eSAndroid Build Coastguard Worker 	char path[4096];
22*49cdfc7eSAndroid Build Coastguard Worker 
23*49cdfc7eSAndroid Build Coastguard Worker 	if (tst_get_path("test_exec_child", path, sizeof(path)))
24*49cdfc7eSAndroid Build Coastguard Worker 		tst_brk(TCONF, "Couldn't find test_exec_child in $PATH");
25*49cdfc7eSAndroid Build Coastguard Worker 
26*49cdfc7eSAndroid Build Coastguard Worker 	execve(path, argv, environ);
27*49cdfc7eSAndroid Build Coastguard Worker 
28*49cdfc7eSAndroid Build Coastguard Worker 	tst_res(TFAIL | TERRNO, "EXEC!");
29*49cdfc7eSAndroid Build Coastguard Worker }
30*49cdfc7eSAndroid Build Coastguard Worker 
31*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
32*49cdfc7eSAndroid Build Coastguard Worker 	.test_all = do_test,
33*49cdfc7eSAndroid Build Coastguard Worker 	.child_needs_reinit = 1,
34*49cdfc7eSAndroid Build Coastguard Worker };
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