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-rw-r--r--tools/testing/selftests/pidfd/pidfd_wait.c213
1 files changed, 39 insertions, 174 deletions
diff --git a/tools/testing/selftests/pidfd/pidfd_wait.c b/tools/testing/selftests/pidfd/pidfd_wait.c
index 7079f8eef792..075c716f6fb8 100644
--- a/tools/testing/selftests/pidfd/pidfd_wait.c
+++ b/tools/testing/selftests/pidfd/pidfd_wait.c
@@ -17,7 +17,7 @@
#include <unistd.h>
#include "pidfd.h"
-#include "../kselftest.h"
+#include "../kselftest_harness.h"
#define ptr_to_u64(ptr) ((__u64)((uintptr_t)(ptr)))
@@ -32,9 +32,8 @@ static int sys_waitid(int which, pid_t pid, siginfo_t *info, int options,
return syscall(__NR_waitid, which, pid, info, options, ru);
}
-static int test_pidfd_wait_simple(void)
+TEST(wait_simple)
{
- const char *test_name = "pidfd wait simple";
int pidfd = -1, status = 0;
pid_t parent_tid = -1;
struct clone_args args = {
@@ -50,76 +49,40 @@ static int test_pidfd_wait_simple(void)
};
pidfd = open("/proc/self", O_DIRECTORY | O_RDONLY | O_CLOEXEC);
- if (pidfd < 0)
- ksft_exit_fail_msg("%s test: failed to open /proc/self %s\n",
- test_name, strerror(errno));
+ ASSERT_GE(pidfd, 0);
pid = sys_waitid(P_PIDFD, pidfd, &info, WEXITED, NULL);
- if (pid == 0)
- ksft_exit_fail_msg(
- "%s test: succeeded to wait on invalid pidfd %s\n",
- test_name, strerror(errno));
- close(pidfd);
+ ASSERT_NE(pid, 0);
+ EXPECT_EQ(close(pidfd), 0);
pidfd = -1;
pidfd = open("/dev/null", O_RDONLY | O_CLOEXEC);
- if (pidfd == 0)
- ksft_exit_fail_msg("%s test: failed to open /dev/null %s\n",
- test_name, strerror(errno));
+ ASSERT_GE(pidfd, 0);
pid = sys_waitid(P_PIDFD, pidfd, &info, WEXITED, NULL);
- if (pid == 0)
- ksft_exit_fail_msg(
- "%s test: succeeded to wait on invalid pidfd %s\n",
- test_name, strerror(errno));
- close(pidfd);
+ ASSERT_NE(pid, 0);
+ EXPECT_EQ(close(pidfd), 0);
pidfd = -1;
pid = sys_clone3(&args);
- if (pid < 0)
- ksft_exit_fail_msg("%s test: failed to create new process %s\n",
- test_name, strerror(errno));
+ ASSERT_GE(pid, 1);
if (pid == 0)
exit(EXIT_SUCCESS);
pid = sys_waitid(P_PIDFD, pidfd, &info, WEXITED, NULL);
- if (pid < 0)
- ksft_exit_fail_msg(
- "%s test: failed to wait on process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
-
- if (!WIFEXITED(info.si_status) || WEXITSTATUS(info.si_status))
- ksft_exit_fail_msg(
- "%s test: unexpected status received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
- close(pidfd);
-
- if (info.si_signo != SIGCHLD)
- ksft_exit_fail_msg(
- "%s test: unexpected si_signo value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_signo, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_code != CLD_EXITED)
- ksft_exit_fail_msg(
- "%s test: unexpected si_code value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_code, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_pid != parent_tid)
- ksft_exit_fail_msg(
- "%s test: unexpected si_pid value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_pid, parent_tid, pidfd,
- strerror(errno));
-
- ksft_test_result_pass("%s test: Passed\n", test_name);
- return 0;
+ ASSERT_GE(pid, 0);
+ ASSERT_EQ(WIFEXITED(info.si_status), true);
+ ASSERT_EQ(WEXITSTATUS(info.si_status), 0);
+ EXPECT_EQ(close(pidfd), 0);
+
+ ASSERT_EQ(info.si_signo, SIGCHLD);
+ ASSERT_EQ(info.si_code, CLD_EXITED);
+ ASSERT_EQ(info.si_pid, parent_tid);
}
-static int test_pidfd_wait_states(void)
+TEST(wait_states)
{
- const char *test_name = "pidfd wait states";
int pidfd = -1, status = 0;
pid_t parent_tid = -1;
struct clone_args args = {
@@ -135,9 +98,7 @@ static int test_pidfd_wait_states(void)
};
pid = sys_clone3(&args);
- if (pid < 0)
- ksft_exit_fail_msg("%s test: failed to create new process %s\n",
- test_name, strerror(errno));
+ ASSERT_GE(pid, 0);
if (pid == 0) {
kill(getpid(), SIGSTOP);
@@ -145,127 +106,31 @@ static int test_pidfd_wait_states(void)
exit(EXIT_SUCCESS);
}
- ret = sys_waitid(P_PIDFD, pidfd, &info, WSTOPPED, NULL);
- if (ret < 0)
- ksft_exit_fail_msg(
- "%s test: failed to wait on WSTOPPED process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
-
- if (info.si_signo != SIGCHLD)
- ksft_exit_fail_msg(
- "%s test: unexpected si_signo value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_signo, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_code != CLD_STOPPED)
- ksft_exit_fail_msg(
- "%s test: unexpected si_code value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_code, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_pid != parent_tid)
- ksft_exit_fail_msg(
- "%s test: unexpected si_pid value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_pid, parent_tid, pidfd,
- strerror(errno));
-
- ret = sys_pidfd_send_signal(pidfd, SIGCONT, NULL, 0);
- if (ret < 0)
- ksft_exit_fail_msg(
- "%s test: failed to send signal to process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
-
- ret = sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED, NULL);
- if (ret < 0)
- ksft_exit_fail_msg(
- "%s test: failed to wait WCONTINUED on process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
+ ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WSTOPPED, NULL), 0);
+ ASSERT_EQ(info.si_signo, SIGCHLD);
+ ASSERT_EQ(info.si_code, CLD_STOPPED);
+ ASSERT_EQ(info.si_pid, parent_tid);
- if (info.si_signo != SIGCHLD)
- ksft_exit_fail_msg(
- "%s test: unexpected si_signo value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_signo, parent_tid, pidfd,
- strerror(errno));
+ ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGCONT, NULL, 0), 0);
- if (info.si_code != CLD_CONTINUED)
- ksft_exit_fail_msg(
- "%s test: unexpected si_code value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_code, parent_tid, pidfd,
- strerror(errno));
+ ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED, NULL), 0);
+ ASSERT_EQ(info.si_signo, SIGCHLD);
+ ASSERT_EQ(info.si_code, CLD_CONTINUED);
+ ASSERT_EQ(info.si_pid, parent_tid);
- if (info.si_pid != parent_tid)
- ksft_exit_fail_msg(
- "%s test: unexpected si_pid value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_pid, parent_tid, pidfd,
- strerror(errno));
+ ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WUNTRACED, NULL), 0);
+ ASSERT_EQ(info.si_signo, SIGCHLD);
+ ASSERT_EQ(info.si_code, CLD_STOPPED);
+ ASSERT_EQ(info.si_pid, parent_tid);
- ret = sys_waitid(P_PIDFD, pidfd, &info, WUNTRACED, NULL);
- if (ret < 0)
- ksft_exit_fail_msg(
- "%s test: failed to wait on WUNTRACED process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
+ ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGKILL, NULL, 0), 0);
- if (info.si_signo != SIGCHLD)
- ksft_exit_fail_msg(
- "%s test: unexpected si_signo value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_signo, parent_tid, pidfd,
- strerror(errno));
+ ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WEXITED, NULL), 0);
+ ASSERT_EQ(info.si_signo, SIGCHLD);
+ ASSERT_EQ(info.si_code, CLD_KILLED);
+ ASSERT_EQ(info.si_pid, parent_tid);
- if (info.si_code != CLD_STOPPED)
- ksft_exit_fail_msg(
- "%s test: unexpected si_code value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_code, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_pid != parent_tid)
- ksft_exit_fail_msg(
- "%s test: unexpected si_pid value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_pid, parent_tid, pidfd,
- strerror(errno));
-
- ret = sys_pidfd_send_signal(pidfd, SIGKILL, NULL, 0);
- if (ret < 0)
- ksft_exit_fail_msg(
- "%s test: failed to send SIGKILL to process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
-
- ret = sys_waitid(P_PIDFD, pidfd, &info, WEXITED, NULL);
- if (ret < 0)
- ksft_exit_fail_msg(
- "%s test: failed to wait on WEXITED process with pid %d and pidfd %d: %s\n",
- test_name, parent_tid, pidfd, strerror(errno));
-
- if (info.si_signo != SIGCHLD)
- ksft_exit_fail_msg(
- "%s test: unexpected si_signo value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_signo, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_code != CLD_KILLED)
- ksft_exit_fail_msg(
- "%s test: unexpected si_code value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_code, parent_tid, pidfd,
- strerror(errno));
-
- if (info.si_pid != parent_tid)
- ksft_exit_fail_msg(
- "%s test: unexpected si_pid value %d received after waiting on process with pid %d and pidfd %d: %s\n",
- test_name, info.si_pid, parent_tid, pidfd,
- strerror(errno));
-
- close(pidfd);
-
- ksft_test_result_pass("%s test: Passed\n", test_name);
- return 0;
+ EXPECT_EQ(close(pidfd), 0);
}
-int main(int argc, char **argv)
-{
- ksft_print_header();
- ksft_set_plan(2);
-
- test_pidfd_wait_simple();
- test_pidfd_wait_states();
-
- return ksft_exit_pass();
-}
+TEST_HARNESS_MAIN
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-07 00:52:05 +0300