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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/test/test-watch-pid.c | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-watch-pid.c')
-rw-r--r-- | src/test/test-watch-pid.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/test/test-watch-pid.c b/src/test/test-watch-pid.c new file mode 100644 index 0000000..b0c2c06 --- /dev/null +++ b/src/test/test-watch-pid.c @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "log.h" +#include "manager.h" +#include "process-util.h" +#include "rm-rf.h" +#include "service.h" +#include "tests.h" + +int main(int argc, char *argv[]) { + _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL; + _cleanup_(manager_freep) Manager *m = NULL; + Unit *a, *b, *c, *u; + int r; + + test_setup_logging(LOG_DEBUG); + + if (getuid() != 0) + return log_tests_skipped("not root"); + r = enter_cgroup_subroot(NULL); + if (r == -ENOMEDIUM) + return log_tests_skipped("cgroupfs not available"); + + _cleanup_free_ char *unit_dir = NULL; + assert_se(get_testdata_dir("units/", &unit_dir) >= 0); + assert_se(set_unit_path(unit_dir) >= 0); + + assert_se(runtime_dir = setup_fake_runtime_dir()); + + assert_se(manager_new(RUNTIME_SCOPE_USER, MANAGER_TEST_RUN_BASIC, &m) >= 0); + assert_se(manager_startup(m, NULL, NULL, NULL) >= 0); + + assert_se(a = unit_new(m, sizeof(Service))); + assert_se(unit_add_name(a, "a.service") >= 0); + assert_se(set_isempty(a->pids)); + + assert_se(b = unit_new(m, sizeof(Service))); + assert_se(unit_add_name(b, "b.service") >= 0); + assert_se(set_isempty(b->pids)); + + assert_se(c = unit_new(m, sizeof(Service))); + assert_se(unit_add_name(c, "c.service") >= 0); + assert_se(set_isempty(c->pids)); + + /* Fork off a child so that we have a PID to watch */ + _cleanup_(sigkill_waitp) pid_t pid = 0; + pid = fork(); + if (pid == 0) { + /* Child */ + pause(); + _exit(EXIT_SUCCESS); + } + + assert_se(pid >= 0); + + assert_se(hashmap_isempty(m->watch_pids)); + assert_se(manager_get_unit_by_pid(m, pid) == NULL); + + assert_se(unit_watch_pid(a, pid, false) >= 0); + assert_se(manager_get_unit_by_pid(m, pid) == a); + + assert_se(unit_watch_pid(a, pid, false) >= 0); + assert_se(manager_get_unit_by_pid(m, pid) == a); + + assert_se(unit_watch_pid(b, pid, false) >= 0); + u = manager_get_unit_by_pid(m, pid); + assert_se(u == a || u == b); + + assert_se(unit_watch_pid(b, pid, false) >= 0); + u = manager_get_unit_by_pid(m, pid); + assert_se(u == a || u == b); + + assert_se(unit_watch_pid(c, pid, false) >= 0); + u = manager_get_unit_by_pid(m, pid); + assert_se(u == a || u == b || u == c); + + assert_se(unit_watch_pid(c, pid, false) >= 0); + u = manager_get_unit_by_pid(m, pid); + assert_se(u == a || u == b || u == c); + + unit_unwatch_pid(b, pid); + u = manager_get_unit_by_pid(m, pid); + assert_se(u == a || u == c); + + unit_unwatch_pid(b, pid); + u = manager_get_unit_by_pid(m, pid); + assert_se(u == a || u == c); + + unit_unwatch_pid(a, pid); + assert_se(manager_get_unit_by_pid(m, pid) == c); + + unit_unwatch_pid(a, pid); + assert_se(manager_get_unit_by_pid(m, pid) == c); + + unit_unwatch_pid(c, pid); + assert_se(manager_get_unit_by_pid(m, pid) == NULL); + + unit_unwatch_pid(c, pid); + assert_se(manager_get_unit_by_pid(m, pid) == NULL); + + return 0; +} |