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lock-util: Add make_lock_file_at()

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This commit is contained in:
Daan De Meyer
2023-03-21 15:19:33 +01:00
parent 2415a0c7aa
commit aea3ca3613
4 changed files with 60 additions and 6 deletions
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src/test/meson.build
+1
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@@ -106,6 +106,7 @@ simple_tests += files(
'test-list.c',
'test-local-addresses.c',
'test-locale-util.c',
'test-lock-util.c',
'test-log.c',
'test-logarithm.c',
'test-macro.c',
src/test/test-lock-util.c
+37
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@@ -0,0 +1,37 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <unistd.h>
#include "fd-util.h"
#include "lock-util.h"
#include "rm-rf.h"
#include "tests.h"
#include "tmpfile-util.h"
TEST(make_lock_file) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
_cleanup_close_ int tfd = -EBADF;
_cleanup_(release_lock_file) LockFile lock1 = LOCK_FILE_INIT, lock2 = LOCK_FILE_INIT;
assert_se((tfd = mkdtemp_open(NULL, 0, &t)) >= 0);
assert_se(make_lock_file_at(tfd, "lock", LOCK_EX, &lock1) >= 0);
assert_se(faccessat(tfd, "lock", F_OK, 0) >= 0);
assert_se(make_lock_file_at(tfd, "lock", LOCK_EX|LOCK_NB, &lock2) == -EBUSY);
release_lock_file(&lock1);
assert_se(RET_NERRNO(faccessat(tfd, "lock", F_OK, 0)) == -ENOENT);
assert_se(make_lock_file_at(tfd, "lock", LOCK_EX, &lock2) >= 0);
release_lock_file(&lock2);
assert_se(make_lock_file_at(tfd, "lock", LOCK_SH, &lock1) >= 0);
assert_se(faccessat(tfd, "lock", F_OK, 0) >= 0);
assert_se(make_lock_file_at(tfd, "lock", LOCK_SH, &lock2) >= 0);
release_lock_file(&lock1);
assert_se(faccessat(tfd, "lock", F_OK, 0) >= 0);
release_lock_file(&lock2);
assert_se(fchdir(tfd) >= 0);
assert_se(make_lock_file_at(tfd, "lock", LOCK_EX, &lock1) >= 0);
assert_se(make_lock_file("lock", LOCK_EX|LOCK_NB, &lock2) == -EBUSY);
}
DEFINE_TEST_MAIN(LOG_INFO);