diff mbox series

[v2,4/6] selftests: pidfd: do not use ksft_exit_skip after ksft_set_plan

Message ID 20200623001547.22255-5-pbonzini@redhat.com
State Accepted
Commit bb91c0ca7b74efde2257ca4f0b1ba93e834e47e1
Headers show
Series [v2,1/6] kselftest: fix TAP output for skipped tests | expand

Commit Message

Paolo Bonzini June 23, 2020, 12:15 a.m. UTC
Calling ksft_exit_skip after ksft_set_plan results in executing fewer tests
than planned.  Use ksft_test_result_skip instead.

The plan passed to ksft_set_plan was wrong, too, so fix it while at it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 tools/testing/selftests/pidfd/pidfd_test.c | 39 ++++++++++++++++++----
 1 file changed, 33 insertions(+), 6 deletions(-)

Comments

Shuah Khan July 6, 2020, 8:55 p.m. UTC | #1
On 6/24/20 12:21 AM, Paolo Bonzini wrote:
> On 23/06/20 22:44, Christian Brauner wrote:

>>>   	ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);

>>>   	if (ret < 0) {

>>> -		if (errno == ENOSYS)

>>> -			ksft_exit_skip(

>>> +		if (errno == ENOSYS) {

>>> +			ksft_test_result_skip(

>>>   				"%s test: pidfd_send_signal() syscall not supported\n",

>>>   				test_name);

>> If pidfd_send_signal() is not supported, you're falling through and then

>> you're reporting:

>>

>> ok 5 # SKIP pidfd_send_signal check for support test: pidfd_send_signal() syscall not supported

>> ok 6 pidfd_send_signal check for support test: pidfd_send_signal() syscall is supported. Tests can be executed

> 

> You're right, this needs a "return".

> 


Hi Paulo,

I am applying the rest of the patches in this series except this one.
Please send v3 for this.

thanks,
-- Shuah
Paolo Bonzini July 7, 2020, 9:49 a.m. UTC | #2
On 06/07/20 22:55, Shuah Khan wrote:
> On 6/24/20 12:21 AM, Paolo Bonzini wrote:

>> On 23/06/20 22:44, Christian Brauner wrote:

>>>>       ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);

>>>>       if (ret < 0) {

>>>> -        if (errno == ENOSYS)

>>>> -            ksft_exit_skip(

>>>> +        if (errno == ENOSYS) {

>>>> +            ksft_test_result_skip(

>>>>                   "%s test: pidfd_send_signal() syscall not

>>>> supported\n",

>>>>                   test_name);

>>> If pidfd_send_signal() is not supported, you're falling through and then

>>> you're reporting:

>>>

>>> ok 5 # SKIP pidfd_send_signal check for support test:

>>> pidfd_send_signal() syscall not supported

>>> ok 6 pidfd_send_signal check for support test: pidfd_send_signal()

>>> syscall is supported. Tests can be executed

>>

>> You're right, this needs a "return".

>>

> 

> Hi Paulo,

> 

> I am applying the rest of the patches in this series except this one.

> Please send v3 for this.


Thanks, I was actually going to send everything but you're making it
even simpler.  I'll send v3 of this patch only.

Paolo
diff mbox series

Patch

diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c
index 7aff2d3b42c0..380c6314e6a2 100644
--- a/tools/testing/selftests/pidfd/pidfd_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_test.c
@@ -8,6 +8,7 @@ 
 #include <sched.h>
 #include <signal.h>
 #include <stdio.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <syscall.h>
@@ -27,6 +28,8 @@ 
 
 #define MAX_EVENTS 5
 
+static bool have_pidfd_send_signal = false;
+
 static pid_t pidfd_clone(int flags, int *pidfd, int (*fn)(void *))
 {
 	size_t stack_size = 1024;
@@ -56,6 +59,13 @@  static int test_pidfd_send_signal_simple_success(void)
 	int pidfd, ret;
 	const char *test_name = "pidfd_send_signal send SIGUSR1";
 
+	if (!have_pidfd_send_signal) {
+		ksft_test_result_skip(
+			"%s test: pidfd_send_signal() syscall not supported\n",
+			test_name);
+		return 0;
+	}
+
 	pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);
 	if (pidfd < 0)
 		ksft_exit_fail_msg(
@@ -86,6 +96,13 @@  static int test_pidfd_send_signal_exited_fail(void)
 	pid_t pid;
 	const char *test_name = "pidfd_send_signal signal exited process";
 
+	if (!have_pidfd_send_signal) {
+		ksft_test_result_skip(
+			"%s test: pidfd_send_signal() syscall not supported\n",
+			test_name);
+		return 0;
+	}
+
 	pid = fork();
 	if (pid < 0)
 		ksft_exit_fail_msg("%s test: Failed to create new process\n",
@@ -137,6 +154,13 @@  static int test_pidfd_send_signal_recycled_pid_fail(void)
 	pid_t pid1;
 	const char *test_name = "pidfd_send_signal signal recycled pid";
 
+	if (!have_pidfd_send_signal) {
+		ksft_test_result_skip(
+			"%s test: pidfd_send_signal() syscall not supported\n",
+			test_name);
+		return 0;
+	}
+
 	ret = unshare(CLONE_NEWPID);
 	if (ret < 0)
 		ksft_exit_fail_msg("%s test: Failed to unshare pid namespace\n",
@@ -325,13 +349,16 @@  static int test_pidfd_send_signal_syscall_support(void)
 
 	ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);
 	if (ret < 0) {
-		if (errno == ENOSYS)
-			ksft_exit_skip(
+		if (errno == ENOSYS) {
+			ksft_test_result_skip(
 				"%s test: pidfd_send_signal() syscall not supported\n",
 				test_name);
-
-		ksft_exit_fail_msg("%s test: Failed to send signal\n",
-				   test_name);
+		} else {
+			ksft_exit_fail_msg("%s test: Failed to send signal\n",
+					   test_name);
+		}
+	} else {
+		have_pidfd_send_signal = true;
 	}
 
 	close(pidfd);
@@ -521,7 +548,7 @@  static void test_pidfd_poll_leader_exit(int use_waitpid)
 int main(int argc, char **argv)
 {
 	ksft_print_header();
-	ksft_set_plan(4);
+	ksft_set_plan(8);
 
 	test_pidfd_poll_exec(0);
 	test_pidfd_poll_exec(1);