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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "fd-util.h"
#include "pidref.h"
#include "process-util.h"
#include "signal-util.h"
#include "stdio-util.h"
#include "tests.h"
#define PIDREF_NULL_NONCONST (PidRef) { .fd = -EBADF }
TEST(pidref_is_set) {
assert_se(!pidref_is_set(NULL));
assert_se(!pidref_is_set(&PIDREF_NULL));
assert_se(pidref_is_set(&PIDREF_MAKE_FROM_PID(1)));
}
TEST(pidref_equal) {
assert_se(pidref_equal(NULL, NULL));
assert_se(pidref_equal(NULL, &PIDREF_NULL_NONCONST));
assert_se(pidref_equal(&PIDREF_NULL_NONCONST, NULL));
assert_se(pidref_equal(&PIDREF_NULL_NONCONST, &PIDREF_NULL_NONCONST));
assert_se(!pidref_equal(NULL, &PIDREF_MAKE_FROM_PID(1)));
assert_se(!pidref_equal(&PIDREF_MAKE_FROM_PID(1), NULL));
assert_se(!pidref_equal(&PIDREF_NULL_NONCONST, &PIDREF_MAKE_FROM_PID(1)));
assert_se(!pidref_equal(&PIDREF_MAKE_FROM_PID(1), &PIDREF_NULL_NONCONST));
assert_se(pidref_equal(&PIDREF_MAKE_FROM_PID(1), &PIDREF_MAKE_FROM_PID(1)));
assert_se(!pidref_equal(&PIDREF_MAKE_FROM_PID(1), &PIDREF_MAKE_FROM_PID(2)));
}
TEST(pidref_set_pid) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
int r;
r = pidref_set_pid(&pidref, 1);
if (r == -ESRCH)
return (void) log_tests_skipped_errno(r, "PID1 does not exist");
assert_se(r >= 0);
assert_se(pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(1)));
assert_se(!pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(2)));
}
TEST(pidref_set_self) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
assert_se(pidref_set_self(&pidref) >= 0);
assert_se(pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(getpid_cached())));
assert_se(!pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(getpid_cached()+1)));
}
TEST(pidref_set_pidstr) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
char buf[DECIMAL_STR_MAX(pid_t)];
xsprintf(buf, PID_FMT, getpid_cached());
assert_se(pidref_set_pidstr(&pidref, buf) >= 0);
assert_se(pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(getpid_cached())));
assert_se(!pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(getpid_cached()+1)));
}
TEST(pidref_set_pidfd) {
_cleanup_(pidref_done) PidRef a = PIDREF_NULL, b = PIDREF_NULL, c = PIDREF_NULL, d = PIDREF_NULL;
assert_se(pidref_set_self(&a) >= 0);
if (a.fd < 0)
return (void) log_tests_skipped("PIDFD not supported");
assert_se(pidref_set_pidfd(&b, a.fd) >= 0);
assert_se(pidref_equal(&a, &b));
assert_se(pidref_set_pidfd_take(&c, b.fd) >= 0);
b.fd = -EBADF;
assert_se(pidref_equal(&a, &c));
assert_se(pidref_set_pidfd_consume(&d, TAKE_FD(c.fd)) >= 0);
assert_se(pidref_equal(&a, &d));
}
TEST(pidref_is_self) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
assert_se(pidref_set_self(&pidref) >= 0);
assert_se(pidref_is_self(&pidref));
assert_se(!pidref_is_self(NULL));
assert_se(!pidref_is_self(&PIDREF_NULL));
assert_se(pidref_is_self(&PIDREF_MAKE_FROM_PID(getpid_cached())));
assert_se(!pidref_is_self(&PIDREF_MAKE_FROM_PID(getpid_cached()+1)));
}
TEST(pidref_copy) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
int r;
assert_se(pidref_copy(NULL, &pidref) >= 0);
assert_se(!pidref_is_set(&pidref));
assert_se(pidref_copy(&PIDREF_NULL, &pidref) >= 0);
assert_se(!pidref_is_set(&pidref));
assert_se(pidref_copy(&PIDREF_MAKE_FROM_PID(getpid_cached()), &pidref) >= 0);
assert_se(pidref_is_self(&pidref));
pidref_done(&pidref);
r = pidref_copy(&PIDREF_MAKE_FROM_PID(1), &pidref);
if (r == -ESRCH)
return (void) log_tests_skipped_errno(r, "PID1 does not exist");
assert_se(r >= 0);
assert_se(pidref_equal(&pidref, &PIDREF_MAKE_FROM_PID(1)));
}
TEST(pidref_dup) {
_cleanup_(pidref_freep) PidRef *pidref = NULL;
int r;
assert_se(pidref_dup(NULL, &pidref) >= 0);
assert_se(pidref);
assert_se(!pidref_is_set(pidref));
pidref = pidref_free(pidref);
assert_se(pidref_dup(&PIDREF_NULL, &pidref) >= 0);
assert_se(pidref);
assert_se(!pidref_is_set(pidref));
pidref = pidref_free(pidref);
assert_se(pidref_dup(&PIDREF_MAKE_FROM_PID(getpid_cached()), &pidref) >= 0);
assert_se(pidref_is_self(pidref));
pidref = pidref_free(pidref);
r = pidref_dup(&PIDREF_MAKE_FROM_PID(1), &pidref);
if (r == -ESRCH)
return (void) log_tests_skipped_errno(r, "PID1 does not exist");
assert_se(r >= 0);
assert_se(pidref_equal(pidref, &PIDREF_MAKE_FROM_PID(1)));
}
TEST(pidref_new_from_pid) {
_cleanup_(pidref_freep) PidRef *pidref = NULL;
int r;
assert_se(pidref_new_from_pid(-1, &pidref) == -ESRCH);
assert_se(!pidref);
assert_se(pidref_new_from_pid(0, &pidref) >= 0);
assert_se(pidref_is_self(pidref));
pidref = pidref_free(pidref);
assert_se(pidref_new_from_pid(getpid_cached(), &pidref) >= 0);
assert_se(pidref_is_self(pidref));
pidref = pidref_free(pidref);
r = pidref_new_from_pid(1, &pidref);
if (r == -ESRCH)
return (void) log_tests_skipped_errno(r, "PID1 does not exist");
assert_se(r >= 0);
assert_se(pidref_equal(pidref, &PIDREF_MAKE_FROM_PID(1)));
}
TEST(pidref_kill) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
siginfo_t si;
int r;
r = pidref_safe_fork("(test-pidref-kill)", FORK_DEATHSIG_SIGKILL, &pidref);
assert_se(r >= 0);
if (r == 0)
freeze();
assert_se(pidref_kill(&pidref, SIGKILL) >= 0);
assert_se(pidref_wait_for_terminate(&pidref, &si) >= 0);
assert_se(si.si_signo == SIGCHLD);
}
TEST(pidref_kill_and_sigcont) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
siginfo_t si;
int r;
r = pidref_safe_fork("(test-pidref-kill-and-sigcont)", FORK_DEATHSIG_SIGTERM, &pidref);
assert_se(r >= 0);
if (r == 0)
freeze();
assert_se(pidref_kill_and_sigcont(&pidref, SIGTERM) >= 0);
assert_se(pidref_wait_for_terminate(&pidref, &si) >= 0);
assert_se(si.si_signo == SIGCHLD);
}
TEST(pidref_sigqueue) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
siginfo_t si;
int r;
r = pidref_safe_fork("(test-pidref-sigqueue)", FORK_DEATHSIG_SIGTERM, &pidref);
assert_se(r >= 0);
if (r == 0)
freeze();
assert_se(pidref_sigqueue(&pidref, SIGTERM, 42) >= 0);
assert_se(pidref_wait_for_terminate(&pidref, &si) >= 0);
assert_se(si.si_signo == SIGCHLD);
}
TEST(pidref_done_sigkill_wait) {
_cleanup_(pidref_done_sigkill_wait) PidRef pidref = PIDREF_NULL;
int r;
r = pidref_safe_fork("(test-pidref-done-sigkill-wait)", FORK_DEATHSIG_SIGKILL, &pidref);
assert_se(r >= 0);
if (r == 0)
freeze();
}
TEST(pidref_verify) {
_cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
assert_se(pidref_verify(NULL) == -ESRCH);
assert_se(pidref_verify(&PIDREF_NULL) == -ESRCH);
assert_se(pidref_verify(&PIDREF_MAKE_FROM_PID(1)) == 1);
assert_se(pidref_verify(&PIDREF_MAKE_FROM_PID(getpid_cached())) == 0);
assert_se(pidref_set_self(&pidref) >= 0);
assert_se(pidref_verify(&pidref) == (pidref.fd >= 0));
}
DEFINE_TEST_MAIN(LOG_DEBUG);
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