diff options
author | Bruno Haible <bruno@clisp.org> | 2019-06-10 16:17:35 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2019-06-10 16:30:04 +0200 |
commit | fbb40ec10e333cff0b9845572065edd9e66eac79 (patch) | |
tree | 5c79572b1438d638baa5e9d97296ad69654604a0 /tests | |
parent | d822de87e4d1c97e422e48332542dfe7261c7d82 (diff) | |
download | gnulib-fbb40ec10e333cff0b9845572065edd9e66eac79.tar.gz |
posix_spawn_file_actions_addfchdir: Add tests.
* tests/test-posix_spawn_file_actions_addfchdir.c: New file.
* tests/test-posix_spawn5.c: New file.
* modules/posix_spawn_file_actions_addfchdir-tests: New file.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/test-posix_spawn5.c | 148 | ||||
-rw-r--r-- | tests/test-posix_spawn_file_actions_addfchdir.c | 44 |
2 files changed, 192 insertions, 0 deletions
diff --git a/tests/test-posix_spawn5.c b/tests/test-posix_spawn5.c new file mode 100644 index 0000000000..805f6665bf --- /dev/null +++ b/tests/test-posix_spawn5.c @@ -0,0 +1,148 @@ +/* Test of posix_spawn() function with 'fchdir' action. + Copyright (C) 2008-2019 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2018. */ + +#include <config.h> + +#include <spawn.h> + +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> + +static int +fd_safer (int fd) +{ + if (0 <= fd && fd <= 2) + { + int f = fd_safer (dup (fd)); + int e = errno; + close (fd); + errno = e; + fd = f; + } + + return fd; +} + +int +main () +{ + char *argv[2] = { (char *) "pwd", NULL }; + int rootfd; + int ifd[2]; + sigset_t blocked_signals; + sigset_t fatal_signal_set; + posix_spawn_file_actions_t actions; + bool actions_allocated; + posix_spawnattr_t attrs; + bool attrs_allocated; + int err; + pid_t child; + int fd; + FILE *fp; + char line[80]; + int status; + int exitstatus; + + rootfd = open ("/", O_RDONLY); + if (rootfd < 0) + { + perror ("cannot open directory"); + exit (1); + } + if (pipe (ifd) < 0 || (ifd[0] = fd_safer (ifd[0])) < 0) + { + perror ("cannot create pipe"); + exit (1); + } + sigprocmask (SIG_SETMASK, NULL, &blocked_signals); + sigemptyset (&fatal_signal_set); + sigaddset (&fatal_signal_set, SIGINT); + sigaddset (&fatal_signal_set, SIGTERM); + sigaddset (&fatal_signal_set, SIGHUP); + sigaddset (&fatal_signal_set, SIGPIPE); + sigprocmask (SIG_BLOCK, &fatal_signal_set, NULL); + actions_allocated = false; + attrs_allocated = false; + if ((err = posix_spawn_file_actions_init (&actions)) != 0 + || (actions_allocated = true, + (err = posix_spawn_file_actions_adddup2 (&actions, ifd[1], STDOUT_FILENO)) != 0 + || (err = posix_spawn_file_actions_addclose (&actions, ifd[1])) != 0 + || (err = posix_spawn_file_actions_addclose (&actions, ifd[0])) != 0 + || (err = posix_spawn_file_actions_addopen (&actions, STDIN_FILENO, "/dev/null", O_RDONLY, 0)) != 0 + || (err = posix_spawn_file_actions_addfchdir (&actions, rootfd)) != 0 + || (err = posix_spawnattr_init (&attrs)) != 0 + || (attrs_allocated = true, + (err = posix_spawnattr_setsigmask (&attrs, &blocked_signals)) != 0 + || (err = posix_spawnattr_setflags (&attrs, POSIX_SPAWN_SETSIGMASK)) != 0) + || (err = posix_spawnp (&child, "pwd", &actions, &attrs, argv, environ)) != 0)) + { + if (actions_allocated) + posix_spawn_file_actions_destroy (&actions); + if (attrs_allocated) + posix_spawnattr_destroy (&attrs); + sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); + errno = err; + perror ("subprocess failed"); + exit (1); + } + posix_spawn_file_actions_destroy (&actions); + posix_spawnattr_destroy (&attrs); + sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); + close (ifd[1]); + fd = ifd[0]; + fp = fdopen (fd, "r"); + if (fp == NULL) + { + fprintf (stderr, "fdopen() failed\n"); + exit (1); + } + if (fread (line, 1, 80, fp) < 2) + { + fprintf (stderr, "could not read expected output\n"); + exit (1); + } + if (memcmp (line, "/\n", 2) != 0) + { + fprintf (stderr, "read output is not the expected output"); + exit (1); + } + fclose (fp); + status = 0; + while (waitpid (child, &status, 0) != child) + ; + if (!WIFEXITED (status)) + { + fprintf (stderr, "subprocess terminated with unexpected wait status %d\n", status); + exit (1); + } + exitstatus = WEXITSTATUS (status); + if (exitstatus != 0) + { + fprintf (stderr, "subprocess terminated with unexpected exit status %d\n", exitstatus); + exit (1); + } + return 0; +} diff --git a/tests/test-posix_spawn_file_actions_addfchdir.c b/tests/test-posix_spawn_file_actions_addfchdir.c new file mode 100644 index 0000000000..d7df690451 --- /dev/null +++ b/tests/test-posix_spawn_file_actions_addfchdir.c @@ -0,0 +1,44 @@ +/* Test posix_spawn_file_actions_addfchdir() function. + Copyright (C) 2018-2019 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include <spawn.h> + +#include "signature.h" +SIGNATURE_CHECK (posix_spawn_file_actions_addfchdir, int, + (posix_spawn_file_actions_t *, int)); + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <unistd.h> + +#include "macros.h" + +int +main (void) +{ + posix_spawn_file_actions_t actions; + + ASSERT (posix_spawn_file_actions_init (&actions) == 0); + + ASSERT (posix_spawn_file_actions_addfchdir (&actions, 3) == 0); + + posix_spawn_file_actions_destroy (&actions); + + return 0; +} |