Adapt existing futex wait timeout file to test the same mechanism for futex2. futex2 accepts only absolute 64bit timers, but supports both monotonic and realtime clocks.
Signed-off-by: André Almeida andrealmeid@collabora.com --- .../futex/functional/futex_wait_timeout.c | 24 +++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/futex/functional/futex_wait_timeout.c b/tools/testing/selftests/futex/functional/futex_wait_timeout.c index 1f8f6daaf1e7..d20f54745c2e 100644 --- a/tools/testing/selftests/futex/functional/futex_wait_timeout.c +++ b/tools/testing/selftests/futex/functional/futex_wait_timeout.c @@ -17,6 +17,14 @@
#include <pthread.h> #include "futextest.h" + +#include <errno.h> +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include "futex2test.h" #include "logging.h"
#define TEST_NAME "futex-wait-timeout" @@ -92,8 +100,8 @@ static int futex_get_abs_timeout(clockid_t clockid, struct timespec *to, int main(int argc, char *argv[]) { futex_t f1 = FUTEX_INITIALIZER; + struct timespec to = {.tv_sec = 0, .tv_nsec = timeout_ns}; int res, ret = RET_PASS; - struct timespec to; pthread_t thread; int c;
@@ -118,7 +126,7 @@ int main(int argc, char *argv[]) }
ksft_print_header(); - ksft_set_plan(7); + ksft_set_plan(9); ksft_print_msg("%s: Block on a futex and wait for timeout\n", basename(argv[0])); ksft_print_msg("\tArguments: timeout=%ldns\n", timeout_ns); @@ -175,6 +183,18 @@ int main(int argc, char *argv[]) res = futex_lock_pi(&futex_pi, NULL, 0, FUTEX_CLOCK_REALTIME); test_timeout(res, &ret, "futex_lock_pi invalid timeout flag", ENOSYS);
+ /* setting absolute monotonic timeout for futex2 */ + if (futex_get_abs_timeout(CLOCK_MONOTONIC, &to, timeout_ns)) + return RET_FAIL; + res = futex2_wait(&f1, f1, FUTEX_32, &to); + test_timeout(res, &ret, "futex2_wait monotonic", ETIMEDOUT); + + /* setting absolute realtime timeout for futex2 */ + if (futex_get_abs_timeout(CLOCK_REALTIME, &to, timeout_ns)) + return RET_FAIL; + res = futex2_wait(&f1, f1, FUTEX_32 | FUTEX_CLOCK_REALTIME, &to); + test_timeout(res, &ret, "futex2_wait realtime", ETIMEDOUT); + ksft_print_cnts(); return ret; }