237 	pid_t cpid;  in test_userns()  local
243 	cpid = syscall(SYS_clone, clone_flags, NULL);  in test_userns()
244 	if (cpid == -1) {  in test_userns()
249 	if (cpid == 0) {	/* Code executed by child */  in test_userns()
254 		if(snprintf(map_file_name, sz, "/proc/%d/uid_map", cpid) < 0) {  in test_userns()
268 	pid_t cpid, w;  in test_setuid()  local
271 	cpid = fork();  in test_setuid()
272 	if (cpid == -1) {  in test_setuid()
276 	if (cpid == 0) {	    /* Code executed by child */  in test_setuid()
285 			w = waitpid(cpid, &wstatus, WUNTRACED | WCONTINUED);  in test_setuid()
324 	pid_t cpid, w;  in test_setgid()  local
327 	cpid = fork();  in test_setgid()
328 	if (cpid == -1) {  in test_setgid()
332 	if (cpid == 0) {	    /* Code executed by child */  in test_setgid()
341 			w = waitpid(cpid, &wstatus, WUNTRACED | WCONTINUED);  in test_setgid()
380 	pid_t cpid, w;  in test_setgroups()  local
385 	cpid = fork();  in test_setgroups()
386 	if (cpid == -1) {  in test_setgroups()
390 	if (cpid == 0) {	    /* Code executed by child */  in test_setgroups()
406 			w = waitpid(cpid, &wstatus, WUNTRACED | WCONTINUED);  in test_setgroups()