/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
- Copyright 2013 Thomas H.P. Andersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
#include <sched.h>
#include <sys/mount.h>
#include "macro.h"
#include "parse-util.h"
#include "process-util.h"
+#include "signal-util.h"
#include "stdio-util.h"
#include "string-util.h"
#include "terminal-util.h"
if (!detect_container())
assert_se(get_ctty_devnr(pid, &h) == -ENXIO || pid != 1);
- getenv_for_pid(pid, "PATH", &i);
+ (void) getenv_for_pid(pid, "PATH", &i);
log_info("PID"PID_FMT" $PATH: '%s'", pid, strna(i));
}
+static void test_get_process_comm_escape_one(const char *input, const char *output) {
+ _cleanup_free_ char *n = NULL;
+
+ log_info("input: <%s> — output: <%s>", input, output);
+
+ assert_se(prctl(PR_SET_NAME, input) >= 0);
+ assert_se(get_process_comm(0, &n) >= 0);
+
+ log_info("got: <%s>", n);
+
+ assert_se(streq_ptr(n, output));
+}
+
+static void test_get_process_comm_escape(void) {
+ _cleanup_free_ char *saved = NULL;
+
+ assert_se(get_process_comm(0, &saved) >= 0);
+
+ test_get_process_comm_escape_one("", "");
+ test_get_process_comm_escape_one("foo", "foo");
+ test_get_process_comm_escape_one("012345678901234", "012345678901234");
+ test_get_process_comm_escape_one("0123456789012345", "012345678901234");
+ test_get_process_comm_escape_one("äöüß", "\\303\\244\\303…");
+ test_get_process_comm_escape_one("xäöüß", "x\\303\\244…");
+ test_get_process_comm_escape_one("xxäöüß", "xx\\303\\244…");
+ test_get_process_comm_escape_one("xxxäöüß", "xxx\\303\\244…");
+ test_get_process_comm_escape_one("xxxxäöüß", "xxxx\\303\\244…");
+ test_get_process_comm_escape_one("xxxxxäöüß", "xxxxx\\303…");
+
+ assert_se(prctl(PR_SET_NAME, saved) >= 0);
+}
+
static void test_pid_is_unwaited(void) {
pid_t pid;
assert_se(pid == 0);
assert_se(unshare(CLONE_NEWNS) >= 0);
+ assert_se(mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) >= 0);
+
fd = mkostemp(path, O_CLOEXEC);
assert_se(fd >= 0);
line = mfree(line);
safe_close(fd);
- _exit(0);
+ _exit(EXIT_SUCCESS);
}
#if 0 /// UNNEEDED by elogind
assert_se(get_process_comm(0, &comm) >= 0);
log_info("comm = <%s>", comm);
- assert_se(strneq(comm, p, 15));
+ assert_se(strneq(comm, p, TASK_COMM_LEN-1));
assert_se(get_process_cmdline(0, 0, false, &cmdline) >= 0);
/* we cannot expect cmdline to be renamed properly without privileges */
c = getpid();
assert_se(a == b && a == c);
- _exit(0);
+ _exit(EXIT_SUCCESS);
}
d = raw_getpid();
log_info("getpid_cached(): %llu/s\n", (unsigned long long) (MEASURE_ITERATIONS*USEC_PER_SEC/q));
}
-int main(int argc, char *argv[]) {
+static void test_safe_fork(void) {
+ siginfo_t status;
+ pid_t pid;
+ int r;
+
+ BLOCK_SIGNALS(SIGCHLD);
+
+ r = safe_fork("(test-child)", FORK_RESET_SIGNALS|FORK_CLOSE_ALL_FDS|FORK_DEATHSIG|FORK_NULL_STDIO|FORK_REOPEN_LOG, &pid);
+ assert_se(r >= 0);
+ if (r == 0) {
+ /* child */
+ usleep(100 * USEC_PER_MSEC);
+
+ _exit(88);
+ }
+
+ assert_se(wait_for_terminate(pid, &status) >= 0);
+ assert_se(status.si_code == CLD_EXITED);
+ assert_se(status.si_status == 88);
+}
+
+static void test_pid_to_ptr(void) {
+
+ assert_se(PTR_TO_PID(NULL) == 0);
+ assert_se(PID_TO_PTR(0) == NULL);
+
+ assert_se(PTR_TO_PID(PID_TO_PTR(1)) == 1);
+ assert_se(PTR_TO_PID(PID_TO_PTR(2)) == 2);
+ assert_se(PTR_TO_PID(PID_TO_PTR(-1)) == -1);
+ assert_se(PTR_TO_PID(PID_TO_PTR(-2)) == -2);
+
+ assert_se(PTR_TO_PID(PID_TO_PTR(INT16_MAX)) == INT16_MAX);
+ assert_se(PTR_TO_PID(PID_TO_PTR(INT16_MIN)) == INT16_MIN);
+
+#if SIZEOF_PID_T >= 4
+ assert_se(PTR_TO_PID(PID_TO_PTR(INT32_MAX)) == INT32_MAX);
+ assert_se(PTR_TO_PID(PID_TO_PTR(INT32_MIN)) == INT32_MIN);
+#endif
+}
+
+#if 0 /// UNNEEDED by elogind
+static void test_ioprio_class_from_to_string_one(const char *val, int expected) {
+ assert_se(ioprio_class_from_string(val) == expected);
+ if (expected >= 0) {
+ _cleanup_free_ char *s = NULL;
+ unsigned ret;
+
+ assert_se(ioprio_class_to_string_alloc(expected, &s) == 0);
+ /* We sometimes get a class number and sometimes a number back */
+ assert_se(streq(s, val) ||
+ safe_atou(val, &ret) == 0);
+ }
+}
+
+static void test_ioprio_class_from_to_string(void) {
+ test_ioprio_class_from_to_string_one("none", IOPRIO_CLASS_NONE);
+ test_ioprio_class_from_to_string_one("realtime", IOPRIO_CLASS_RT);
+ test_ioprio_class_from_to_string_one("best-effort", IOPRIO_CLASS_BE);
+ test_ioprio_class_from_to_string_one("idle", IOPRIO_CLASS_IDLE);
+ test_ioprio_class_from_to_string_one("0", 0);
+ test_ioprio_class_from_to_string_one("1", 1);
+ test_ioprio_class_from_to_string_one("7", 7);
+ test_ioprio_class_from_to_string_one("8", 8);
+ test_ioprio_class_from_to_string_one("9", -1);
+ test_ioprio_class_from_to_string_one("-1", -1);
+}
+#endif // 0
+
+int main(int argc, char *argv[]) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
test_get_process_comm(getpid());
}
+ test_get_process_comm_escape();
test_pid_is_unwaited();
test_pid_is_alive();
#if 0 /// UNNEEDED by elogind
#endif // 0
test_getpid_cached();
test_getpid_measure();
+ test_safe_fork();
+ test_pid_to_ptr();
+#if 0 /// UNNEEDED by elogind
+ test_ioprio_class_from_to_string();
+#endif // 0
return 0;
}
~ianmdlvl / elogind.git / blobdiff