test/ptrace/scescx.c

147 get_pathname(pid_t pid)
156 	name[3] = pid;
163 			    pid, strerror(errno));
166 		fprintf(stderr, "pid %d exited\n", pid);
170 		fprintf(stderr, "No cached pathname for process %d\n", pid);
173 	printf(TRACE "pid %d path %s\n", pid, pathname);
177 wait_info(int pid, int status, struct ptrace_lwpinfo *lwpinfo)
180 	printf(TRACE "pid %d wait %s", pid,
190 trace_sc(int pid)
195 	if (ptrace(PT_TO_SCE, pid, (caddr_t)1, 0) < 0) {
197 		ptrace(PT_KILL, pid, NULL, 0);
201 	if (waitpid(pid, &status, 0) == -1) {
206 		wait_info(pid, status, NULL);
212 	if (ptrace(PT_LWPINFO, pid, (caddr_t)&lwpinfo, sizeof(lwpinfo)) < 0) {
214 		ptrace(PT_KILL, pid, NULL, 0);
217 	wait_info(pid, status, &lwpinfo);
220 	if (ptrace(PT_TO_SCX, pid, (caddr_t)1, 0) < 0) {
222 		ptrace(PT_KILL, pid, NULL, 0);
226 	if (waitpid(pid, &status, 0) == -1) {
231 		wait_info(pid, status, NULL);
237 	if (ptrace(PT_LWPINFO, pid, (caddr_t)&lwpinfo, sizeof(lwpinfo)) < 0) {
239 		ptrace(PT_KILL, pid, NULL, 0);
242 	wait_info(pid, status, &lwpinfo);
246 		get_pathname(pid);
256 trace_cont(int pid)
261 	if (ptrace(PT_CONTINUE, pid, (caddr_t)1, 0) < 0) {
263 		ptrace(PT_KILL, pid, NULL, 0);
267 	if (waitpid(pid, &status, 0) == -1) {
272 		wait_info(pid, status, NULL);
278 	if (ptrace(PT_LWPINFO, pid, (caddr_t)&lwpinfo, sizeof(lwpinfo)) < 0) {
280 		ptrace(PT_KILL, pid, NULL, 0);
283 	wait_info(pid, status, &lwpinfo);
287 		get_pathname(pid);
301 trace(pid_t pid)
304 	return (trace_syscalls ? trace_sc(pid) : trace_cont(pid));
313 	pid_t pid, pid1;
335 	if ((pid = fork()) < 0) {
339 	else if (pid == 0) {
355 		if (waitpid(pid, &status, 0) == -1) {
362 		if (ptrace(PT_LWPINFO, pid, (caddr_t)&lwpinfo,
365 			ptrace(PT_KILL, pid, NULL, 0);
368 		wait_info(pid, status, &lwpinfo);
370 		if (ptrace(PT_FOLLOW_FORK, pid, 0, 1) < 0) {
372 			ptrace(PT_KILL, pid, NULL, 0);
376 		while ((pid1 = trace(pid)) >= 0) {
378 				printf(TRACE "attached to pid %d\n", pid1);
386 				printf(TRACE "nested loop, pid %d status %s\n",
403 		ptrace(PT_CONTINUE, pid, (caddr_t)1, 0);