504afd7c34
There is a slight change in behaviour: the user manager for root will create a temporary file in /run/systemd, not /tmp. I don't think this matters, but simplifies implementation.
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <fcntl.h>
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#include <unistd.h>
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#include "alloc-util.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "macro.h"
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static void test_close_many(void) {
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int fds[3];
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char name0[] = "/tmp/test-close-many.XXXXXX";
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char name1[] = "/tmp/test-close-many.XXXXXX";
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char name2[] = "/tmp/test-close-many.XXXXXX";
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fds[0] = mkostemp_safe(name0);
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fds[1] = mkostemp_safe(name1);
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fds[2] = mkostemp_safe(name2);
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close_many(fds, 2);
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assert_se(fcntl(fds[0], F_GETFD) == -1);
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assert_se(fcntl(fds[1], F_GETFD) == -1);
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assert_se(fcntl(fds[2], F_GETFD) >= 0);
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safe_close(fds[2]);
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unlink(name0);
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unlink(name1);
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unlink(name2);
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}
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static void test_close_nointr(void) {
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char name[] = "/tmp/test-test-close_nointr.XXXXXX";
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int fd;
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fd = mkostemp_safe(name);
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assert_se(fd >= 0);
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assert_se(close_nointr(fd) >= 0);
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assert_se(close_nointr(fd) < 0);
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unlink(name);
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}
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static void test_same_fd(void) {
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_cleanup_close_pair_ int p[2] = { -1, -1 };
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_cleanup_close_ int a = -1, b = -1, c = -1;
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assert_se(pipe2(p, O_CLOEXEC) >= 0);
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assert_se((a = dup(p[0])) >= 0);
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assert_se((b = open("/dev/null", O_RDONLY|O_CLOEXEC)) >= 0);
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assert_se((c = dup(a)) >= 0);
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assert_se(same_fd(p[0], p[0]) > 0);
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assert_se(same_fd(p[1], p[1]) > 0);
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assert_se(same_fd(a, a) > 0);
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assert_se(same_fd(b, b) > 0);
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assert_se(same_fd(a, p[0]) > 0);
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assert_se(same_fd(p[0], a) > 0);
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assert_se(same_fd(c, p[0]) > 0);
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assert_se(same_fd(p[0], c) > 0);
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assert_se(same_fd(a, c) > 0);
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assert_se(same_fd(c, a) > 0);
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assert_se(same_fd(p[0], p[1]) == 0);
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assert_se(same_fd(p[1], p[0]) == 0);
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assert_se(same_fd(p[0], b) == 0);
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assert_se(same_fd(b, p[0]) == 0);
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assert_se(same_fd(p[1], a) == 0);
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assert_se(same_fd(a, p[1]) == 0);
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assert_se(same_fd(p[1], b) == 0);
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assert_se(same_fd(b, p[1]) == 0);
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assert_se(same_fd(a, b) == 0);
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assert_se(same_fd(b, a) == 0);
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}
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static void test_open_serialization_fd(void) {
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_cleanup_close_ int fd = -1;
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fd = open_serialization_fd("test");
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assert_se(fd >= 0);
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write(fd, "test\n", 5);
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}
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int main(int argc, char *argv[]) {
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test_close_many();
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test_close_nointr();
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test_same_fd();
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test_open_serialization_fd();
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return 0;
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}
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