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-rw-r--r--src/test/test-process-util.c632
1 files changed, 632 insertions, 0 deletions
diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c
new file mode 100644
index 0000000..b5ba651
--- /dev/null
+++ b/src/test/test-process-util.c
@@ -0,0 +1,632 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <sched.h>
+#include <sys/mount.h>
+#include <sys/personality.h>
+#include <sys/prctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#if HAVE_VALGRIND_VALGRIND_H
+#include <valgrind/valgrind.h>
+#endif
+
+#include "alloc-util.h"
+#include "architecture.h"
+#include "fd-util.h"
+#include "log.h"
+#include "macro.h"
+#include "missing.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"
+#include "test-helper.h"
+#include "tests.h"
+#include "util.h"
+#include "virt.h"
+
+static void test_get_process_comm(pid_t pid) {
+ struct stat st;
+ _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL;
+ _cleanup_free_ char *env = NULL;
+ char path[STRLEN("/proc//comm") + DECIMAL_STR_MAX(pid_t)];
+ pid_t e;
+ uid_t u;
+ gid_t g;
+ dev_t h;
+ int r;
+
+ xsprintf(path, "/proc/"PID_FMT"/comm", pid);
+
+ if (stat(path, &st) == 0) {
+ assert_se(get_process_comm(pid, &a) >= 0);
+ log_info("PID"PID_FMT" comm: '%s'", pid, a);
+ } else
+ log_warning("%s not exist.", path);
+
+ assert_se(get_process_cmdline(pid, 0, true, &c) >= 0);
+ log_info("PID"PID_FMT" cmdline: '%s'", pid, c);
+
+ assert_se(get_process_cmdline(pid, 8, false, &d) >= 0);
+ log_info("PID"PID_FMT" cmdline truncated to 8: '%s'", pid, d);
+
+ free(d);
+ assert_se(get_process_cmdline(pid, 1, false, &d) >= 0);
+ log_info("PID"PID_FMT" cmdline truncated to 1: '%s'", pid, d);
+
+ assert_se(get_process_ppid(pid, &e) >= 0);
+ log_info("PID"PID_FMT" PPID: "PID_FMT, pid, e);
+ assert_se(pid == 1 ? e == 0 : e > 0);
+
+ assert_se(is_kernel_thread(pid) == 0 || pid != 1);
+
+ r = get_process_exe(pid, &f);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("PID"PID_FMT" exe: '%s'", pid, strna(f));
+
+ assert_se(get_process_uid(pid, &u) == 0);
+ log_info("PID"PID_FMT" UID: "UID_FMT, pid, u);
+
+ assert_se(get_process_gid(pid, &g) == 0);
+ log_info("PID"PID_FMT" GID: "GID_FMT, pid, g);
+
+ r = get_process_environ(pid, &env);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("PID"PID_FMT" strlen(environ): %zi", pid, env ? (ssize_t)strlen(env) : (ssize_t)-errno);
+
+ if (!detect_container())
+ assert_se(get_ctty_devnr(pid, &h) == -ENXIO || pid != 1);
+
+ (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;
+
+ 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_cached()));
+ 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_cached()));
+ assert_se(!pid_is_alive(-1));
+}
+
+static void test_personality(void) {
+
+ assert_se(personality_to_string(PER_LINUX));
+ assert_se(!personality_to_string(PERSONALITY_INVALID));
+
+ assert_se(streq(personality_to_string(PER_LINUX), architecture_to_string(native_architecture())));
+
+ assert_se(personality_from_string(personality_to_string(PER_LINUX)) == PER_LINUX);
+ assert_se(personality_from_string(architecture_to_string(native_architecture())) == PER_LINUX);
+
+#ifdef __x86_64__
+ assert_se(streq_ptr(personality_to_string(PER_LINUX), "x86-64"));
+ assert_se(streq_ptr(personality_to_string(PER_LINUX32), "x86"));
+
+ assert_se(personality_from_string("x86-64") == PER_LINUX);
+ assert_se(personality_from_string("x86") == PER_LINUX32);
+ assert_se(personality_from_string("ia64") == PERSONALITY_INVALID);
+ assert_se(personality_from_string(NULL) == PERSONALITY_INVALID);
+
+ assert_se(personality_from_string(personality_to_string(PER_LINUX32)) == PER_LINUX32);
+#endif
+}
+
+static void test_get_process_cmdline_harder(void) {
+ char path[] = "/tmp/test-cmdlineXXXXXX";
+ _cleanup_close_ int fd = -1;
+ _cleanup_free_ char *line = NULL;
+ pid_t pid;
+
+ if (geteuid() != 0) {
+ log_info("Skipping %s: not root", __func__);
+ return;
+ }
+
+ if (!have_namespaces()) {
+ log_notice("Testing without namespaces, skipping %s", __func__);
+ return;
+ }
+
+#if HAVE_VALGRIND_VALGRIND_H
+ /* valgrind patches open(/proc//cmdline)
+ * so, test_get_process_cmdline_harder fails always
+ * See https://github.com/systemd/systemd/pull/3555#issuecomment-226564908 */
+ if (RUNNING_ON_VALGRIND) {
+ log_info("Skipping %s: running on valgrind", __func__);
+ return;
+ }
+#endif
+
+ pid = fork();
+ if (pid > 0) {
+ siginfo_t si;
+
+ (void) wait_for_terminate(pid, &si);
+
+ assert_se(si.si_code == CLD_EXITED);
+ assert_se(si.si_status == 0);
+
+ return;
+ }
+
+ assert_se(pid == 0);
+ assert_se(unshare(CLONE_NEWNS) >= 0);
+
+ if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL) < 0) {
+ log_warning_errno(errno, "mount(..., \"/\", MS_SLAVE|MS_REC, ...) failed: %m");
+ assert_se(IN_SET(errno, EPERM, EACCES));
+ return;
+ }
+
+ fd = mkostemp(path, O_CLOEXEC);
+ assert_se(fd >= 0);
+
+ /* Note that we don't unmount the following bind-mount at the end of the test because the kernel
+ * will clear up its /proc/PID/ hierarchy automatically as soon as the test stops. */
+ if (mount(path, "/proc/self/cmdline", "bind", MS_BIND, NULL) < 0) {
+ /* This happens under selinux… Abort the test in this case. */
+ log_warning_errno(errno, "mount(..., \"/proc/self/cmdline\", \"bind\", ...) failed: %m");
+ assert_se(IN_SET(errno, EPERM, EACCES));
+ return;
+ }
+
+ assert_se(unlink(path) >= 0);
+
+ assert_se(prctl(PR_SET_NAME, "testa") >= 0);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) == -ENOENT);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0);
+ assert_se(streq(line, "[testa]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 1, true, &line) >= 0);
+ assert_se(streq(line, ""));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 2, true, &line) >= 0);
+ assert_se(streq(line, "["));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 3, true, &line) >= 0);
+ assert_se(streq(line, "[."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 4, true, &line) >= 0);
+ assert_se(streq(line, "[.."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 5, true, &line) >= 0);
+ assert_se(streq(line, "[..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 6, true, &line) >= 0);
+ assert_se(streq(line, "[...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 7, true, &line) >= 0);
+ assert_se(streq(line, "[t...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 8, true, &line) >= 0);
+ assert_se(streq(line, "[testa]"));
+ line = mfree(line);
+
+ assert_se(write(fd, "\0\0\0\0\0\0\0\0\0", 10) == 10);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) == -ENOENT);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0);
+ assert_se(streq(line, "[testa]"));
+ line = mfree(line);
+
+ assert_se(write(fd, "foo\0bar\0\0\0\0\0", 10) == 10);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) >= 0);
+ assert_se(streq(line, "foo bar"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0);
+ assert_se(streq(line, "foo bar"));
+ line = mfree(line);
+
+ assert_se(write(fd, "quux", 4) == 4);
+ assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 1, true, &line) >= 0);
+ assert_se(streq(line, ""));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 2, true, &line) >= 0);
+ assert_se(streq(line, "."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 3, true, &line) >= 0);
+ assert_se(streq(line, ".."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 4, true, &line) >= 0);
+ assert_se(streq(line, "..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 5, true, &line) >= 0);
+ assert_se(streq(line, "f..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 6, true, &line) >= 0);
+ assert_se(streq(line, "fo..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 7, true, &line) >= 0);
+ assert_se(streq(line, "foo..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 8, true, &line) >= 0);
+ assert_se(streq(line, "foo..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 9, true, &line) >= 0);
+ assert_se(streq(line, "foo b..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 10, true, &line) >= 0);
+ assert_se(streq(line, "foo ba..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 11, true, &line) >= 0);
+ assert_se(streq(line, "foo bar..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 12, true, &line) >= 0);
+ assert_se(streq(line, "foo bar..."));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 13, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 14, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 1000, true, &line) >= 0);
+ assert_se(streq(line, "foo bar quux"));
+ line = mfree(line);
+
+ assert_se(ftruncate(fd, 0) >= 0);
+ assert_se(prctl(PR_SET_NAME, "aaaa bbbb cccc") >= 0);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) == -ENOENT);
+
+ assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa bbbb cccc]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 10, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 11, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa...]"));
+ line = mfree(line);
+
+ assert_se(get_process_cmdline(getpid_cached(), 12, true, &line) >= 0);
+ assert_se(streq(line, "[aaaa b...]"));
+ line = mfree(line);
+
+ safe_close(fd);
+ _exit(EXIT_SUCCESS);
+}
+
+static void test_rename_process_now(const char *p, int ret) {
+ _cleanup_free_ char *comm = NULL, *cmdline = NULL;
+ int r;
+
+ r = rename_process(p);
+ assert_se(r == ret ||
+ (ret == 0 && r >= 0) ||
+ (ret > 0 && r > 0));
+
+ if (r < 0)
+ return;
+
+#if HAVE_VALGRIND_VALGRIND_H
+ /* see above, valgrind is weird, we can't verify what we are doing here */
+ if (RUNNING_ON_VALGRIND)
+ return;
+#endif
+
+ assert_se(get_process_comm(0, &comm) >= 0);
+ log_info("comm = <%s>", comm);
+ assert_se(strneq(comm, p, TASK_COMM_LEN-1));
+
+ r = get_process_cmdline(0, 0, false, &cmdline);
+ assert_se(r >= 0);
+ /* we cannot expect cmdline to be renamed properly without privileges */
+ if (geteuid() == 0) {
+ if (r == 0 && detect_container() > 0)
+ log_info("cmdline = <%s> (not verified, Running in unprivileged container?)", cmdline);
+ else {
+ log_info("cmdline = <%s>", cmdline);
+ assert_se(strneq(p, cmdline, STRLEN("test-process-util")));
+ assert_se(startswith(p, cmdline));
+ }
+ } else
+ log_info("cmdline = <%s> (not verified)", cmdline);
+}
+
+static void test_rename_process_one(const char *p, int ret) {
+ siginfo_t si;
+ pid_t pid;
+
+ pid = fork();
+ assert_se(pid >= 0);
+
+ if (pid == 0) {
+ /* child */
+ test_rename_process_now(p, ret);
+ _exit(EXIT_SUCCESS);
+ }
+
+ assert_se(wait_for_terminate(pid, &si) >= 0);
+ assert_se(si.si_code == CLD_EXITED);
+ assert_se(si.si_status == EXIT_SUCCESS);
+}
+
+static void test_rename_process_multi(void) {
+ pid_t pid;
+
+ pid = fork();
+ assert_se(pid >= 0);
+
+ if (pid > 0) {
+ siginfo_t si;
+
+ assert_se(wait_for_terminate(pid, &si) >= 0);
+ assert_se(si.si_code == CLD_EXITED);
+ assert_se(si.si_status == EXIT_SUCCESS);
+
+ return;
+ }
+
+ /* child */
+ test_rename_process_now("one", 1);
+ test_rename_process_now("more", 0); /* longer than "one", hence truncated */
+ (void) setresuid(99, 99, 99); /* change uid when running privileged */
+ test_rename_process_now("time!", 0);
+ test_rename_process_now("0", 1); /* shorter than "one", should fit */
+ test_rename_process_one("", -EINVAL);
+ test_rename_process_one(NULL, -EINVAL);
+ _exit(EXIT_SUCCESS);
+}
+
+static void test_rename_process(void) {
+ test_rename_process_one(NULL, -EINVAL);
+ test_rename_process_one("", -EINVAL);
+ test_rename_process_one("foo", 1); /* should always fit */
+ test_rename_process_one("this is a really really long process name, followed by some more words", 0); /* unlikely to fit */
+ test_rename_process_one("1234567", 1); /* should always fit */
+ test_rename_process_multi(); /* multiple invocations and dropped privileges */
+}
+
+static void test_getpid_cached(void) {
+ siginfo_t si;
+ pid_t a, b, c, d, e, f, child;
+
+ a = raw_getpid();
+ b = getpid_cached();
+ c = getpid();
+
+ assert_se(a == b && a == c);
+
+ child = fork();
+ assert_se(child >= 0);
+
+ if (child == 0) {
+ /* In child */
+ a = raw_getpid();
+ b = getpid_cached();
+ c = getpid();
+
+ assert_se(a == b && a == c);
+ _exit(EXIT_SUCCESS);
+ }
+
+ d = raw_getpid();
+ e = getpid_cached();
+ f = getpid();
+
+ assert_se(a == d && a == e && a == f);
+
+ assert_se(wait_for_terminate(child, &si) >= 0);
+ assert_se(si.si_status == 0);
+ assert_se(si.si_code == CLD_EXITED);
+}
+
+#define MEASURE_ITERATIONS (10000000LLU)
+
+static void test_getpid_measure(void) {
+ unsigned long long i;
+ usec_t t, q;
+
+ t = now(CLOCK_MONOTONIC);
+ for (i = 0; i < MEASURE_ITERATIONS; i++)
+ (void) getpid();
+ q = now(CLOCK_MONOTONIC) - t;
+
+ log_info(" glibc getpid(): %llu/s\n", (unsigned long long) (MEASURE_ITERATIONS*USEC_PER_SEC/q));
+
+ t = now(CLOCK_MONOTONIC);
+ for (i = 0; i < MEASURE_ITERATIONS; i++)
+ (void) getpid_cached();
+ q = now(CLOCK_MONOTONIC) - t;
+
+ log_info("getpid_cached(): %llu/s\n", (unsigned long long) (MEASURE_ITERATIONS*USEC_PER_SEC/q));
+}
+
+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
+}
+
+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);
+}
+
+int main(int argc, char *argv[]) {
+ test_setup_logging(LOG_DEBUG);
+
+ saved_argc = argc;
+ saved_argv = argv;
+
+ if (argc > 1) {
+ pid_t pid = 0;
+
+ (void) parse_pid(argv[1], &pid);
+ test_get_process_comm(pid);
+ } else {
+ TEST_REQ_RUNNING_SYSTEMD(test_get_process_comm(1));
+ test_get_process_comm(getpid());
+ }
+
+ test_get_process_comm_escape();
+ test_pid_is_unwaited();
+ test_pid_is_alive();
+ test_personality();
+ test_get_process_cmdline_harder();
+ test_rename_process();
+ test_getpid_cached();
+ test_getpid_measure();
+ test_safe_fork();
+ test_pid_to_ptr();
+ test_ioprio_class_from_to_string();
+
+ return 0;
+}