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Message-Id: <20250704-tonyk-robust_test_cleanup-v1-7-c0ff4f24c4e1@igalia.com>
Date: Fri, 04 Jul 2025 12:05:11 -0300
From: André Almeida <andrealmeid@...lia.com>
To: Shuah Khan <shuah@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
Darren Hart <dvhart@...radead.org>, Davidlohr Bueso <dave@...olabs.net>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel-dev@...lia.com,
André Almeida <andrealmeid@...lia.com>
Subject: [PATCH 07/15] selftests/futex: Refactor
futex_wait_unitialized_heap with kselftest_harness.h
To reduce the boilerplate code, refactor futex_wait_unitialized_heap
test to use kselftest_harness header instead of futex's logging header.
Signed-off-by: André Almeida <andrealmeid@...lia.com>
---
.../functional/futex_wait_uninitialized_heap.c | 76 +++++-----------------
tools/testing/selftests/futex/functional/run.sh | 2 +-
2 files changed, 19 insertions(+), 59 deletions(-)
diff --git a/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c b/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c
index ed9cd07e31c1a980bb505bb97617282411b6085a..ce2301500d839ca7b2d527ab4e072b9f00d1146a 100644
--- a/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c
@@ -29,95 +29,55 @@
#include <linux/futex.h>
#include <libgen.h>
-#include "logging.h"
#include "futextest.h"
+#include "../../kselftest_harness.h"
-#define TEST_NAME "futex-wait-uninitialized-heap"
#define WAIT_US 5000000
static int child_blocked = 1;
-static int child_ret;
+static bool child_ret;
void *buf;
-void usage(char *prog)
-{
- printf("Usage: %s\n", prog);
- printf(" -c Use color\n");
- printf(" -h Display this help message\n");
- printf(" -v L Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n",
- VQUIET, VCRITICAL, VINFO);
-}
-
void *wait_thread(void *arg)
{
int res;
- child_ret = RET_PASS;
+ child_ret = true;
res = futex_wait(buf, 1, NULL, 0);
child_blocked = 0;
if (res != 0 && errno != EWOULDBLOCK) {
- error("futex failure\n", errno);
- child_ret = RET_ERROR;
+ ksft_exit_fail_msg("futex failure\n");
+ child_ret = false;
}
pthread_exit(NULL);
}
-int main(int argc, char **argv)
+TEST(futex_wait_uninitialized_heap)
{
- int c, ret = RET_PASS;
long page_size;
pthread_t thr;
-
- while ((c = getopt(argc, argv, "chv:")) != -1) {
- switch (c) {
- case 'c':
- log_color(1);
- break;
- case 'h':
- usage(basename(argv[0]));
- exit(0);
- case 'v':
- log_verbosity(atoi(optarg));
- break;
- default:
- usage(basename(argv[0]));
- exit(1);
- }
- }
+ int ret;
page_size = sysconf(_SC_PAGESIZE);
buf = mmap(NULL, page_size, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
- if (buf == (void *)-1) {
- error("mmap\n", errno);
- exit(1);
- }
-
- ksft_print_header();
- ksft_set_plan(1);
- ksft_print_msg("%s: Test the uninitialized futex value in FUTEX_WAIT\n",
- basename(argv[0]));
-
+ if (buf == (void *)-1)
+ ksft_exit_fail_msg("mmap\n");
ret = pthread_create(&thr, NULL, wait_thread, NULL);
- if (ret) {
- error("pthread_create\n", errno);
- ret = RET_ERROR;
- goto out;
- }
+ if (ret)
+ ksft_exit_fail_msg("pthread_create\n");
- info("waiting %dus for child to return\n", WAIT_US);
+ ksft_print_dbg_msg("waiting %dus for child to return\n", WAIT_US);
usleep(WAIT_US);
- ret = child_ret;
- if (child_blocked) {
- fail("child blocked in kernel\n");
- ret = RET_FAIL;
- }
+ if (child_blocked)
+ ksft_test_result_fail("child blocked in kernel\n");
- out:
- print_result(TEST_NAME, ret);
- return ret;
+ if (!child_ret)
+ ksft_test_result_fail("child error\n");
}
+
+TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/futex/functional/run.sh b/tools/testing/selftests/futex/functional/run.sh
index 4a4fe9891f1ef8d69bb968a3a2be6c7dccd3575f..a93eb2a21d4aa23f874bf11ccc852838a4c3866f 100755
--- a/tools/testing/selftests/futex/functional/run.sh
+++ b/tools/testing/selftests/futex/functional/run.sh
@@ -47,7 +47,7 @@ echo
./futex_wait_wouldblock
echo
-./futex_wait_uninitialized_heap $COLOR
+./futex_wait_uninitialized_heap
./futex_wait_private_mapped_file $COLOR
echo
--
2.49.0
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