From 516ea294b8645fa910200096098575c39a55547a Mon Sep 17 00:00:00 2001 From: Bart Schaefer Date: Sun, 14 Aug 2011 18:34:27 +0000 Subject: 29677: Do not allow external processes in a pipeline to become suspended when the end of the pipe is controlled by a builtin in the current shell which cannot itself become suspended. --- Src/signals.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'Src/signals.c') diff --git a/Src/signals.c b/Src/signals.c index 81949843f..dd39158d0 100644 --- a/Src/signals.c +++ b/Src/signals.c @@ -490,14 +490,21 @@ wait_for_processes(void) * update it. */ if (findproc(pid, &jn, &pn, 0)) { + if (((jn->stat & STAT_BUILTIN) || + (list_pipe && (jobtab[thisjob].stat & STAT_BUILTIN))) && + WIFSTOPPED(status) && WSTOPSIG(status) == SIGTSTP) { + killjb(jn, SIGCONT); + zwarn("job can't be suspended"); + } else { #if defined(HAVE_WAIT3) && defined(HAVE_GETRUSAGE) - struct timezone dummy_tz; - gettimeofday(&pn->endtime, &dummy_tz); - pn->status = status; - pn->ti = ru; + struct timezone dummy_tz; + gettimeofday(&pn->endtime, &dummy_tz); + pn->status = status; + pn->ti = ru; #else - update_process(pn, status); + update_process(pn, status); #endif + } update_job(jn); } else if (findproc(pid, &jn, &pn, 1)) { pn->status = status; -- cgit 1.4.1