135         int pid;  in __for_each_pid()  local
140         if (!(pid = atoi(de->d_name))) {  in __for_each_pid()
146         snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/cmdline", pid);  in __for_each_pid()
151                 helper(pid, cmdline, arg);  in __for_each_pid()
157         snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/comm", pid);  in __for_each_pid()
171         helper(pid, cmdline, arg);  in __for_each_pid()
177 static void for_each_pid_helper(int pid, const char *cmdline, void *arg) {  in for_each_pid_helper()  argument
179     func(pid, cmdline);  in for_each_pid_helper()
187 static void for_each_tid_helper(int pid, const char *cmdline, void *arg) {  in for_each_tid_helper()  argument
193     snprintf(taskpath, sizeof(taskpath), "/proc/%d/task", pid);  in for_each_tid_helper()
200     func(pid, pid, cmdline);  in for_each_tid_helper()
212         if (tid == pid)  in for_each_tid_helper()
229         func(pid, tid, comm);  in for_each_tid_helper()
240 void show_wchan(int pid, int tid, const char *name) {  in show_wchan()  argument
265              pid == tid ? 0 : 3, "", name);  in show_wchan()
306 void show_showtime(int pid, const char *name) {  in show_showtime()  argument
314     snprintf(path, sizeof(path), "/proc/%d/stat", pid);  in show_showtime()
353     snprintf(buffer, sizeof(buffer), "%-6d%s", pid, name);  in show_showtime()
398 void do_showmap(int pid, const char *name) {  in do_showmap()  argument
402     snprintf(title, sizeof(title), "SHOW MAP %d (%s)", pid, name);  in do_showmap()
403     snprintf(arg, sizeof(arg), "%d", pid);  in do_showmap()
594 bool waitpid_with_timeout(pid_t pid, int timeout_seconds, int* status) {  in waitpid_with_timeout()  argument
626     pid_t child_pid = waitpid(pid, status, WNOHANG);  in waitpid_with_timeout()
627     if (child_pid != pid) {  in waitpid_with_timeout()
629             printf("*** Waiting for pid %d, got pid %d instead\n", pid, child_pid);  in waitpid_with_timeout()
728     pid_t pid = fork();  in run_command_always()  local
731     if (pid < 0) {  in run_command_always()
734         return pid;  in run_command_always()
738     if (pid == 0) {  in run_command_always()
771     bool ret = waitpid_with_timeout(pid, timeout_seconds, &status);  in run_command_always()
778             cmd.c_str(), (float) elapsed / NANOS_PER_SEC, pid);  in run_command_always()
780                    (float) elapsed / NANOS_PER_SEC, pid);  in run_command_always()
784             cmd.c_str(), (float) elapsed / NANOS_PER_SEC, pid);  in run_command_always()
786                    (float) elapsed / NANOS_PER_SEC, pid);  in run_command_always()
788         kill(pid, SIGTERM);  in run_command_always()
789         if (!waitpid_with_timeout(pid, 5, NULL)) {  in run_command_always()
790             kill(pid, SIGKILL);  in run_command_always()
791             if (!waitpid_with_timeout(pid, 5, NULL)) {  in run_command_always()
793                         command, pid);  in run_command_always()
794                 MYLOGE("could not kill command '%s' (pid %d) even with SIGKILL.\n", command, pid);  in run_command_always()
851     capheader.pid = 0;  in drop_root_user()
1060         int pid = atoi(d->d_name);  in dump_traces()  local
1061         if (pid <= 0) continue;  in dump_traces()
1065         snprintf(path, sizeof(path), "/proc/%d/exe", pid);  in dump_traces()
1074             snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);  in dump_traces()
1088             if (kill(pid, SIGQUIT)) {  in dump_traces()
1089                 MYLOGE("kill(%d, SIGQUIT): %s\n", pid, strerror(errno));  in dump_traces()
1099                 MYLOGE("warning: timed out dumping pid %d\n", pid);  in dump_traces()
1109                         pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC);  in dump_traces()
1122                 } else if (dump_backtrace_to_file_timeout(pid, fd, 20) == -1) {  in dump_traces()
1129                         pid, (float)(DurationReporter::nanotime() - start) / NANOS_PER_SEC);  in dump_traces()