Mercurial > hg > octave-kai > gnulib-hg
changeset 10527:3867738777dc
Tests for module 'posix_spawnp'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 28 Sep 2008 14:14:31 +0200 |
parents | afbb5e07a092 |
children | 97cab1215a7c |
files | ChangeLog modules/posix_spawnp-tests tests/test-posix_spawn.c tests/test-posix_spawn.in.sh |
diffstat | 4 files changed, 213 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,14 @@ 2008-09-28 Bruno Haible <bruno@clisp.org> + * modules/posix_spawnp-tests: New file. + * tests/test-posix_spawn.c: New file. + * tests/test-posix_spawn.in.sh: New file. + + New module 'posix_spawnp'. + * modules/posix_spawnp: New file. + * lib/spawnp.c: New file, from GNU libc with modifications. + * doc/posix-functions/posix_spawnp.texi: Mention the new module. + New module 'posix_spawn'. * modules/posix_spawn: New file. * lib/spawn.c: New file, from GNU libc with modifications.
new file mode 100644 --- /dev/null +++ b/modules/posix_spawnp-tests @@ -0,0 +1,29 @@ +Files: +tests/test-posix_spawn.c +tests/test-posix_spawn.in.sh + +Depends-on: +posix_spawn_file_actions_init +posix_spawn_file_actions_adddup2 +posix_spawn_file_actions_addclose +posix_spawn_file_actions_addopen +posix_spawn_file_actions_destroy +posix_spawnattr_init +posix_spawnattr_setsigmask +posix_spawnattr_setflags +posix_spawnattr_destroy +sigprocmask +stdbool +unistd + +configure.ac: + +Makefile.am: +TESTS += test-posix_spawn +check_PROGRAMS += test-posix_spawn + +BUILT_SOURCES += test-posix_spawn.sh +test-posix_spawn.sh: test-posix_spawn.in.sh + cp $(srcdir)/test-posix_spawn.in.sh $@-t + mv $@-t $@ +MOSTLYCLEANFILES += test-posix_spawn.sh test-posix_spawn.sh-t
new file mode 100644 --- /dev/null +++ b/tests/test-posix_spawn.c @@ -0,0 +1,173 @@ +/* Test of posix_spawn() function. + Copyright (C) 2008 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 <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2008. */ + +#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> + +extern char **environ; + +#ifndef STDIN_FILENO +# define STDIN_FILENO 0 +#endif +#ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +#endif +#ifndef STDERR_FILENO +# define STDERR_FILENO 2 +#endif + +#ifndef WTERMSIG +# define WTERMSIG(x) ((x) & 0x7f) +#endif +#ifndef WCOREDUMP +# define WCOREDUMP(x) ((x) & 0x80) +#endif +#ifndef WEXITSTATUS +# define WEXITSTATUS(x) (((x) >> 8) & 0xff) +#endif +#ifndef WIFSIGNALED +# define WIFSIGNALED(x) (WTERMSIG (x) != 0 && WTERMSIG(x) != 0x7f) +#endif +#ifndef WIFEXITED +# define WIFEXITED(x) (WTERMSIG (x) == 0) +#endif +#ifndef WIFSTOPPED +# define WIFSTOPPED(x) (WTERMSIG (x) == 0x7f) +#endif + +#define CHILD_PROGRAM_FILENAME "test-posix_spawn.sh" + +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[3] = { "/bin/sh", CHILD_PROGRAM_FILENAME, NULL }; + 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; + + 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_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, "/bin/sh", &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) < 12) + { + fprintf (stderr, "could not read expected output\n"); + exit (1); + } + if (memcmp (line, "Halle Potta", 11) != 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; +}