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-rw-r--r--src/test/test-process-util.c138
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diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c
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+/***
+ 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 <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "process-util.h"
+#include "log.h"
+#include "util.h"
+#include "macro.h"
+#include "virt.h"
+
+static void test_get_process_comm(void) {
+ struct stat st;
+ _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL, *cwd = NULL, *root = NULL;
+ _cleanup_free_ char *env = NULL;
+ pid_t e;
+ uid_t u;
+ gid_t g;
+ dev_t h;
+ int r;
+ pid_t me;
+
+ if (stat("/proc/1/comm", &st) == 0) {
+ assert_se(get_process_comm(1, &a) >= 0);
+ log_info("pid1 comm: '%s'", a);
+ } else {
+ log_warning("/proc/1/comm does not exist.");
+ }
+
+ assert_se(get_process_cmdline(1, 0, true, &c) >= 0);
+ log_info("pid1 cmdline: '%s'", c);
+
+ assert_se(get_process_cmdline(1, 8, false, &d) >= 0);
+ log_info("pid1 cmdline truncated: '%s'", d);
+
+ assert_se(get_parent_of_pid(1, &e) >= 0);
+ log_info("pid1 ppid: "PID_FMT, e);
+ assert_se(e == 0);
+
+ assert_se(is_kernel_thread(1) == 0);
+
+ r = get_process_exe(1, &f);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 exe: '%s'", strna(f));
+
+ assert_se(get_process_uid(1, &u) == 0);
+ log_info("pid1 uid: "UID_FMT, u);
+ assert_se(u == 0);
+
+ assert_se(get_process_gid(1, &g) == 0);
+ log_info("pid1 gid: "GID_FMT, g);
+ assert_se(g == 0);
+
+ me = getpid();
+
+ r = get_process_cwd(me, &cwd);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 cwd: '%s'", cwd);
+
+ r = get_process_root(me, &root);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 root: '%s'", root);
+
+ r = get_process_environ(me, &env);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("self strlen(environ): '%zu'", strlen(env));
+
+ if (!detect_container(NULL))
+ assert_se(get_ctty_devnr(1, &h) == -ENOENT);
+
+ getenv_for_pid(1, "PATH", &i);
+ log_info("pid1 $PATH: '%s'", strna(i));
+}
+
+static void test_pid_is_unwaited(void) {
+ pid_t pid;
+
+ pid = fork();
+ assert_se(pid >= 0);
+ if (pid == 0) {
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
+ waitpid(pid, &status, 0);
+ assert_se(!pid_is_unwaited(pid));
+ }
+ assert_se(pid_is_unwaited(getpid()));
+ assert_se(!pid_is_unwaited(-1));
+}
+
+static void test_pid_is_alive(void) {
+ pid_t pid;
+
+ pid = fork();
+ assert_se(pid >= 0);
+ if (pid == 0) {
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
+ waitpid(pid, &status, 0);
+ assert_se(!pid_is_alive(pid));
+ }
+ assert_se(pid_is_alive(getpid()));
+ assert_se(!pid_is_alive(-1));
+}
+
+int main(int argc, char *argv[]) {
+ log_parse_environment();
+ log_open();
+
+ test_get_process_comm();
+ test_pid_is_unwaited();
+ test_pid_is_alive();
+
+ return 0;
+}