diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 0e8f877f4b1f..8a720ddb0396 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -8,6 +8,7 @@ #include <errno.h> #include <poll.h> #include <unistd.h> +#include <setjmp.h> #include <string.h> #include <stdlib.h> #include <sys/types.h> @@ -229,16 +230,41 @@ struct child_test { int subtest; }; +static jmp_buf run_test_jmp_buf; + +static void child_test_sig_handler(int sig) +{ + siglongjmp(run_test_jmp_buf, sig); +} + static int run_test_child(struct child_process *process) { - struct child_test *child = container_of(process, struct child_test, process); + const int signals[] = { + SIGABRT, SIGBUS, SIGFPE, SIGILL, SIGINT, SIGPIPE, SIGQUIT, SIGSEGV, SIGTERM, + }; + static struct child_test *child; int err; + err = sigsetjmp(run_test_jmp_buf, 1); + if (err) { + fprintf(stderr, "\n---- unexpected signal (%d) ----\n", err); + err = err > 0 ? -err : -1; + goto err_out; + } + + child = container_of(process, struct child_test, process); + for (size_t i = 0; i < ARRAY_SIZE(signals); i++) + signal(signals[i], child_test_sig_handler); + pr_debug("--- start ---\n"); pr_debug("test child forked, pid %d\n", getpid()); err = test_function(child->test, child->subtest)(child->test, child->subtest); pr_debug("---- end(%d) ----\n", err); + +err_out: fflush(NULL); + for (size_t i = 0; i < ARRAY_SIZE(signals); i++) + signal(signals[i], SIG_DFL); return -err; } |