proc_filter listens for process events until a signal interrupts it, so a caller that waits for it to finish waits forever. Generate one event, stop after five seconds, and fail if nothing was received.
Signed-off-by: Eva Kurchatova <[email protected]> --- tools/testing/selftests/connector/proc_filter.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/connector/proc_filter.c b/tools/testing/selftests/connector/proc_filter.c index 36c11467a8f1..2412f66c38e1 100644 --- a/tools/testing/selftests/connector/proc_filter.c +++ b/tools/testing/selftests/connector/proc_filter.c @@ -14,6 +14,7 @@ #include <strings.h> #include <errno.h> #include <signal.h> +#include <sys/wait.h> #include <string.h> #include "kselftest.h" @@ -279,6 +280,16 @@ int main(int argc, char *argv[]) exit(1); } + /* + * Generate one event to observe and stop listening shortly after, + * so that the test terminates on its own. + */ + signal(SIGALRM, sigint); + alarm(5); + if (fork() == 0) + _exit(0); + wait(NULL); + while (!interrupted) { err = handle_events(epoll_fd, &proc_ev); if (err < 0) { @@ -306,5 +317,5 @@ int main(int argc, char *argv[]) close(nl_sock); printf("Done total count: %d\n", tcount); - exit(0); + exit(tcount > 0 ? KSFT_PASS : KSFT_FAIL); } -- 2.55.0
