376   pid_t worker = -1;  member in PtraceResumptionTest
391     worker = fork();  in PtraceResumptionTest()
392     if (worker == -1) {  in PtraceResumptionTest()
394     } else if (worker == 0) {  in PtraceResumptionTest()
463     if (worker == -1) {  in WaitForWorker()
468     pid_t rc = TEMP_FAILURE_RETRY(waitpid(worker, &result, WNOHANG));  in WaitForWorker()
476     rc = TEMP_FAILURE_RETRY(waitpid(worker, &result, 0));  in WaitForWorker()
477     if (rc != worker) {  in WaitForWorker()
512     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
513     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
514     wait_for_ptrace_stop(worker);  in TEST_F()
522   ASSERT_EQ(0, TEMP_FAILURE_RETRY(waitpid(worker, &result, WNOHANG)));  in TEST_F()
524   ASSERT_EQ(worker, TEMP_FAILURE_RETRY(waitpid(worker, &result, 0)));  in TEST_F()
528   StartTracer([this]() { ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno); });  in TEST_F()
535     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
536     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
537     wait_for_ptrace_stop(worker);  in TEST_F()
545     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
546     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
547     wait_for_ptrace_stop(worker);  in TEST_F()
548     ASSERT_EQ(0, ptrace(PTRACE_CONT, worker, 0, 0)) << strerror(errno);  in TEST_F()
555   StartTracer([this]() { ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno); });  in TEST_F()
562     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
563     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
564     wait_for_ptrace_stop(worker);  in TEST_F()
572     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
573     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
574     wait_for_ptrace_stop(worker);  in TEST_F()
575     ASSERT_EQ(0, ptrace(PTRACE_CONT, worker, 0, 0)) << strerror(errno);  in TEST_F()