libc/sys/t_ptrace_lwp_wait.h

433 	pid_t tracee, tracer, wpid;
445 	DPRINTF("Spawn tracee\n");
448 	tracee = atf_utils_fork();
449 	if (tracee == 0) {
451 		CHILD_TO_PARENT("tracee ready", parent_tracee, msg);
460 		CHILD_TO_PARENT("tracee exit", parent_tracee, msg);
468 	PARENT_FROM_CHILD("tracee ready", parent_tracee, msg);
474 		DPRINTF("Before calling PT_ATTACH from tracee %d\n", getpid());
475 		FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
477 		/* Wait for tracee and assert that it was stopped w/ SIGSTOP */
479 		    wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
484 		    "tracee");
486 		    ptrace(PT_GET_SIGINFO, tracee, &info, sizeof(info)) != -1);
498 		FORKEE_ASSERT(ptrace(PT_LWPINFO, tracee, &lwp, sizeof(lwp))
509 		    "tracee\n");
510 		FORKEE_ASSERT(ptrace(PT_LWPINFO, tracee, &lwp, sizeof(lwp))
514 		    "tracee\n");
517 		/* Resume tracee with PT_CONTINUE */
518 		FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
520 		/* Inform parent that tracer has attached to tracee */
526 		/* Wait for tracee and assert that it raised a signal */
528 		    wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
535 		    ptrace(PT_GET_SIGINFO, tracee, &info, sizeof(info)) != -1);
551 			FORKEE_ASSERT(ptrace(PT_LWPINFO, tracee, &lwp,
565 		    "tracee\n");
566 		FORKEE_ASSERT(ptrace(PT_LWPINFO, tracee, &lwp, sizeof(lwp))
575 		FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, SIGKILL)
578 		/* Wait for tracee and assert that it exited */
580 		    wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
588 	DPRINTF("Wait for the tracer to attach to the tracee\n");
591 	DPRINTF("Resume the tracee and spawn threads\n");
594 	DPRINTF("Resume the tracee and let it exit\n");
595 	PARENT_FROM_CHILD("tracee exit", parent_tracee, msg);
607 	DPRINTF("Wait for tracee to finish its job and exit - calling %s()\n",
609 	TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
610 	    tracee);