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Diffstat (limited to 'src/test/test-process-util.c')
| -rw-r--r-- | src/test/test-process-util.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c new file mode 100644 index 0000000000..a17ef144fc --- /dev/null +++ b/src/test/test-process-util.c @@ -0,0 +1,138 @@ +/*** + 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; +} |