381   pid_t worker = -1;  member in PtraceResumptionTest
396     worker = fork();  in PtraceResumptionTest()
397     if (worker == -1) {  in PtraceResumptionTest()
399     } else if (worker == 0) {  in PtraceResumptionTest()
468     if (worker == -1) {  in WaitForWorker()
473     pid_t rc = TEMP_FAILURE_RETRY(waitpid(worker, &result, WNOHANG));  in WaitForWorker()
481     rc = TEMP_FAILURE_RETRY(waitpid(worker, &result, 0));  in WaitForWorker()
482     if (rc != worker) {  in WaitForWorker()
517     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
518     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
519     wait_for_ptrace_stop(worker);  in TEST_F()
527   ASSERT_EQ(0, TEMP_FAILURE_RETRY(waitpid(worker, &result, WNOHANG)));  in TEST_F()
529   ASSERT_EQ(worker, TEMP_FAILURE_RETRY(waitpid(worker, &result, 0)));  in TEST_F()
533   StartTracer([this]() { ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno); });  in TEST_F()
540     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
541     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
542     wait_for_ptrace_stop(worker);  in TEST_F()
550     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
551     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
552     wait_for_ptrace_stop(worker);  in TEST_F()
553     ASSERT_EQ(0, ptrace(PTRACE_CONT, worker, 0, 0)) << strerror(errno);  in TEST_F()
560   StartTracer([this]() { ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno); });  in TEST_F()
567     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
568     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
569     wait_for_ptrace_stop(worker);  in TEST_F()
577     ASSERT_EQ(0, ptrace(PTRACE_SEIZE, worker, 0, 0)) << strerror(errno);  in TEST_F()
578     ASSERT_EQ(0, ptrace(PTRACE_INTERRUPT, worker, 0, 0)) << strerror(errno);  in TEST_F()
579     wait_for_ptrace_stop(worker);  in TEST_F()
580     ASSERT_EQ(0, ptrace(PTRACE_CONT, worker, 0, 0)) << strerror(errno);  in TEST_F()