Author: jamie Date: Thu Feb 14 19:27:52 2013 New Revision: 246804 URL: http://svnweb.freebsd.org/changeset/base/246804
Log: Handle (ignore) when a process disappears before it can be tracked. Modified: head/usr.sbin/jail/command.c Modified: head/usr.sbin/jail/command.c ============================================================================== --- head/usr.sbin/jail/command.c Thu Feb 14 19:26:58 2013 (r246803) +++ head/usr.sbin/jail/command.c Thu Feb 14 19:27:52 2013 (r246804) @@ -66,7 +66,7 @@ int paralimit = -1; extern char **environ; static int run_command(struct cfjail *j); -static void add_proc(struct cfjail *j, pid_t pid); +static int add_proc(struct cfjail *j, pid_t pid); static void clear_procs(struct cfjail *j); static struct cfjail *find_proc(pid_t pid); static int term_procs(struct cfjail *j); @@ -542,13 +542,12 @@ run_command(struct cfjail *j) if (pid < 0) err(1, "fork"); if (pid > 0) { - if (bg) { + if (bg || !add_proc(j, pid)) { free(j->comline); j->comline = NULL; return 0; } else { paralimit--; - add_proc(j, pid); return 1; } } @@ -622,7 +621,7 @@ run_command(struct cfjail *j) /* * Add a process to the hash, tied to a jail. */ -static void +static int add_proc(struct cfjail *j, pid_t pid) { struct kevent ke; @@ -632,8 +631,11 @@ add_proc(struct cfjail *j, pid_t pid) if (!kq && (kq = kqueue()) < 0) err(1, "kqueue"); EV_SET(&ke, pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, NULL); - if (kevent(kq, &ke, 1, NULL, 0, NULL) < 0) + if (kevent(kq, &ke, 1, NULL, 0, NULL) < 0) { + if (errno == ESRCH) + return 0; err(1, "kevent"); + } ph = emalloc(sizeof(struct phash)); ph->j = j; ph->pid = pid; @@ -658,6 +660,7 @@ add_proc(struct cfjail *j, pid_t pid) TAILQ_INSERT_TAIL(&sleeping, j, tq); j->queue = &sleeping; } + return 1; } /* @@ -730,7 +733,7 @@ term_procs(struct cfjail *j) for (i = 0; i < pcnt; i++) if (ki[i].ki_jid == j->jid && kill(ki[i].ki_pid, SIGTERM) == 0) { - add_proc(j, ki[i].ki_pid); + (void)add_proc(j, ki[i].ki_pid); if (verbose > 0) { if (!noted) { noted = 1; _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"