gpu: nvgpu: posix: Multithreading for unit tests

Add a -j argument to enable running unit tests on several
threads. Also adds signal handling to prevent a fatal
error in one thread from killing the whole unit test
framework.

JIRA NVGPU-1043

Change-Id: I891a547640cd005a50ffa5c06367ed46c54de012
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1847740
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/userspace/src/unit_main.c b/userspace/src/unit_main.c
index 31c31d50..64344bf0 100644
--- a/userspace/src/unit_main.c
+++ b/userspace/src/unit_main.c
@@ -72,5 +72,13 @@ int main(int argc, char **argv)
 
         core_print_test_status(fw);
 
+        if (fw->results->nr_tests == 0) {
+                /* No tests were run */
+                return -1;
+        } else if ((fw->results->nr_tests - fw->results->nr_passing) != 0) {
+                /* Some tests failed */
+                return -1;
+        }
+
         return 0;
 }