101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <fcntl.h>
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#include <sys/prctl.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "async.h"
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#include "fs-util.h"
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#include "path-util.h"
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#include "process-util.h"
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#include "signal-util.h"
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#include "tests.h"
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#include "tmpfile-util.h"
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TEST(asynchronous_sync) {
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ASSERT_OK(asynchronous_sync(NULL));
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}
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TEST(asynchronous_close) {
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_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-asynchronous_close.XXXXXX";
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int fd, r;
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fd = mkostemp_safe(name);
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ASSERT_OK(fd);
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asynchronous_close(fd);
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sleep(1);
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ASSERT_EQ(fcntl(fd, F_GETFD), -1);
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assert_se(errno == EBADF);
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r = safe_fork("(subreaper)", FORK_RESET_SIGNALS|FORK_CLOSE_ALL_FDS|FORK_DEATHSIG_SIGKILL|FORK_LOG|FORK_WAIT, NULL);
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ASSERT_OK(r);
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if (r == 0) {
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/* child */
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ASSERT_OK(make_reaper_process(true));
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fd = open("/dev/null", O_RDONLY|O_CLOEXEC);
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ASSERT_OK(fd);
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asynchronous_close(fd);
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sleep(1);
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ASSERT_EQ(fcntl(fd, F_GETFD), -1);
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assert_se(errno == EBADF);
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_exit(EXIT_SUCCESS);
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}
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}
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TEST(asynchronous_rm_rf) {
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_cleanup_free_ char *t = NULL, *k = NULL;
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int r;
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ASSERT_OK(mkdtemp_malloc(NULL, &t));
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assert_se(k = path_join(t, "somefile"));
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ASSERT_OK(touch(k));
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ASSERT_OK(asynchronous_rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL));
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/* Do this once more, form a subreaper. Which is nice, because we can watch the async child even
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* though detached */
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r = safe_fork("(subreaper)", FORK_RESET_SIGNALS|FORK_CLOSE_ALL_FDS|FORK_DEATHSIG_SIGTERM|FORK_LOG|FORK_WAIT, NULL);
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ASSERT_OK(r);
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if (r == 0) {
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_cleanup_free_ char *tt = NULL, *kk = NULL;
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/* child */
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ASSERT_OK(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD));
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ASSERT_OK(make_reaper_process(true));
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ASSERT_OK(mkdtemp_malloc(NULL, &tt));
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assert_se(kk = path_join(tt, "somefile"));
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ASSERT_OK(touch(kk));
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ASSERT_OK(asynchronous_rm_rf(tt, REMOVE_ROOT|REMOVE_PHYSICAL));
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for (;;) {
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siginfo_t si = {};
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ASSERT_OK(waitid(P_ALL, 0, &si, WEXITED));
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if (access(tt, F_OK) < 0) {
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assert_se(errno == ENOENT);
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break;
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}
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/* wasn't the rm_rf() call. let's wait longer */
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}
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_exit(EXIT_SUCCESS);
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}
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}
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DEFINE_TEST_MAIN(LOG_DEBUG);
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