diff options
| -rw-r--r-- | tools/testing/selftests/sync/sync_test.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c index 62fa666e501a..86ae45ad0347 100644 --- a/tools/testing/selftests/sync/sync_test.c +++ b/tools/testing/selftests/sync/sync_test.c @@ -31,6 +31,7 @@ #include <sys/types.h> #include <sys/stat.h> #include <sys/wait.h> +#include <errno.h> #include "synctest.h" @@ -56,18 +57,32 @@ static int run_test(int (*test)(void), char *name) static int sync_api_supported(void) { struct stat sbuf; + int ret; + + ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf); + if (!ret) + return 0; + + if (errno == ENOENT) { + printf("SKIP: Sync framework not supported by kernel\n"); + exit(0); + } + if (errno == EACCES) { + printf("SKIP: Run Sync test as root.\n"); + exit(0); + } + + perror("stat"); + exit(ret); - return 0 == stat("/sys/kernel/debug/sync/sw_sync", &sbuf); } int main(void) { int err = 0; - if (!sync_api_supported()) { - printf("SKIP: Sync framework not supported by kernel\n"); + if (!sync_api_supported()) return 0; - } printf("[RUN]\tTesting sync framework\n"); |