diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/Makefile | 2 | ||||
| -rw-r--r-- | posix/tst-spawn2.c | 72 |
2 files changed, 73 insertions, 1 deletions
diff --git a/posix/Makefile b/posix/Makefile index 7ec110e80c..5b0e298f75 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -94,7 +94,7 @@ tests := tstgetopt testfnm runtests runptests \ xtests := bug-ga2 ifeq (yes,$(build-shared)) test-srcs := globtest -tests += wordexp-test tst-exec tst-spawn +tests += wordexp-test tst-exec tst-spawn tst-spawn2 endif tests-static = tst-exec-static tst-spawn-static tests += $(tests-static) diff --git a/posix/tst-spawn2.c b/posix/tst-spawn2.c new file mode 100644 index 0000000000..149f3d5cfa --- /dev/null +++ b/posix/tst-spawn2.c @@ -0,0 +1,72 @@ +/* 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" |