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selftests/futex: Migrate futex_wait_private_mapped_file to harness

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Migrate futex_wait_private_mapped_file test to the kselftest harness
framework, removing mixed legacy ksft_* API usages and passing test
metadata to helper thread.

[ tglx: Fixup coding style ]

Signed-off-by: Wake Liu <wakel@google.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260525092002.3762888-3-wakel@google.com
This commit is contained in:
Wake Liu
2026-07-05 21:49:17 +02:00
committed by Thomas Gleixner
parent 0d65d1abb5
commit dccef66d85
1 changed files with 20 additions and 16 deletions
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tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c
+20 -16
View File
@@ -26,6 +26,7 @@
#include <pthread.h>
#include <libgen.h>
#include <signal.h>
#include <string.h>
#include "futextest.h"
#include "kselftest_harness.h"
@@ -41,17 +42,22 @@ struct timespec wait_timeout = { .tv_sec = 5, .tv_nsec = 0};
void *thr_futex_wait(void *arg)
{
struct __test_metadata *_metadata = (struct __test_metadata *)arg;
int ret;
ksft_print_dbg_msg("futex wait\n");
TH_LOG("futex wait");
ret = futex_wait(&val, 1, &wait_timeout, 0);
if (ret && errno != EWOULDBLOCK && errno != ETIMEDOUT)
ksft_exit_fail_msg("futex error.\n");
if (ret && errno != EWOULDBLOCK && errno != ETIMEDOUT) {
ASSERT_TRUE(0)
TH_LOG("futex error: %s", strerror(errno));
}
if (ret && errno == ETIMEDOUT)
ksft_exit_fail_msg("waiter timedout\n");
if (ret && errno == ETIMEDOUT) {
ASSERT_TRUE(0)
TH_LOG("waiter timedout");
}
ksft_print_dbg_msg("futex_wait: ret = %d, errno = %d\n", ret, errno);
TH_LOG("futex_wait: ret = %d, errno = %d", ret, errno);
return NULL;
}
@@ -61,22 +67,20 @@ TEST(wait_private_mapped_file)
pthread_t thr;
int res;
res = pthread_create(&thr, NULL, thr_futex_wait, NULL);
if (res < 0)
ksft_exit_fail_msg("pthread_create error\n");
res = pthread_create(&thr, NULL, thr_futex_wait, _metadata);
ASSERT_EQ(res, 0)
TH_LOG("pthread_create error");
ksft_print_dbg_msg("wait a while\n");
TH_LOG("wait a while");
usleep(WAKE_WAIT_US);
val = 2;
res = futex_wake(&val, 1, 0);
ksft_print_dbg_msg("futex_wake %d\n", res);
if (res != 1)
ksft_exit_fail_msg("FUTEX_WAKE didn't find the waiting thread.\n");
TH_LOG("futex_wake %d", res);
EXPECT_EQ(res, 1)
TH_LOG("FUTEX_WAKE didn't find the waiting thread");
ksft_print_dbg_msg("join\n");
TH_LOG("join");
pthread_join(thr, NULL);
ksft_test_result_pass("wait_private_mapped_file");
}
TEST_HARNESS_MAIN