61 struct pid {  struct
62 	SLIST_ENTRY(pid) next;
64 	pid_t pid;  member
67 static SLIST_HEAD(, pid) pidlist = SLIST_HEAD_INITIALIZER(pidlist);  argument
80 	struct pid *cur, *p;  in auto_popen()
81 	pid_t pid;  in auto_popen()  local
93 	cur = malloc(sizeof(struct pid));  in auto_popen()
115 	switch (pid = fork()) {  in auto_popen()
134 	log_debugx("executing \"%s\" as pid %d", command, pid);  in auto_popen()
142 	cur->pid = pid;  in auto_popen()
151 	struct pid *cur, *last = NULL;  in auto_pclose()
153 	pid_t pid;  in auto_pclose()  local
174 		pid = wait4(cur->pid, &status, 0, NULL);  in auto_pclose()
175 	} while (pid == -1 && errno == EINTR);  in auto_pclose()
179 		    cur->command, pid, WTERMSIG(status));  in auto_pclose()
185 		    cur->command, pid, WEXITSTATUS(status));  in auto_pclose()
189 	log_debugx("\"%s\", pid %d, terminated gracefully", cur->command, pid);  in auto_pclose()
194 	return (pid == -1 ? -1 : status);  in auto_pclose()