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glibc/posix/tst-spawn2.c
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/* Further tests for spawn in case of invalid binary paths. | |
Copyright (C) 2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <spawn.h> | |
#include <error.h> | |
#include <errno.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
#include <sys/wait.h> | |
#include <stdio.h> | |
int | |
posix_spawn_test (void) | |
{ | |
/* Check if posix_spawn correctly returns an error and an invalid pid | |
by trying to spawn an invalid binary. */ | |
const char *program = "/path/to/invalid/binary"; | |
char * const args[] = { 0 }; | |
pid_t pid = -1; | |
int ret = posix_spawn (&pid, program, 0, 0, args, environ); | |
if (ret != ENOENT) | |
error (EXIT_FAILURE, errno, "posix_spawn"); | |
/* POSIX states the value returned on pid variable in case of an error | |
is not specified. GLIBC will update the value iff the child | |
execution is successful. */ | |
if (pid != -1) | |
error (EXIT_FAILURE, errno, "posix_spawn returned pid != -1"); | |
/* Check if no child is actually created. */ | |
ret = waitpid (-1, NULL, 0); | |
if (ret != -1 || errno != ECHILD) | |
error (EXIT_FAILURE, errno, "waitpid"); | |
/* Same as before, but with posix_spawnp. */ | |
char *args2[] = { (char*) program, 0 }; | |
ret = posix_spawnp (&pid, args2[0], 0, 0, args2, environ); | |
if (ret != ENOENT) | |
error (EXIT_FAILURE, errno, "posix_spawnp"); | |
if (pid != -1) | |
error (EXIT_FAILURE, errno, "posix_spawnp returned pid != -1"); | |
ret = waitpid (-1, NULL, 0); | |
if (ret != -1 || errno != ECHILD) | |
error (EXIT_FAILURE, errno, "waitpid"); | |
return 0; | |
} | |
#define TEST_FUNCTION posix_spawn_test () | |
#include "../test-skeleton.c" |