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From 84009d2236c73efe7dc4b74372734d5b3306670b Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Wed, 5 Sep 2018 11:51:22 +0200
Subject: [PATCH 64/72] script: be sensitive to another SIGCHLD ssi_codes
The current signalfd handler cares on CLD_EXITED only. It's pretty
insufficient as there is more situations (and codes) when child no
more running.
Addresses: https://github.com/karelzak/util-linux/issues/686
Upstream: http://github.com/util-linux/util-linux/commit/27afe5016842c22d256ea9f88b598d637ca0df84
Signed-off-by: Karel Zak <kzak@redhat.com>
---
term-utils/script.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/term-utils/script.c b/term-utils/script.c
index d5ffa27f1..ff5f808de 100644
--- a/term-utils/script.c
+++ b/term-utils/script.c
@@ -402,10 +402,15 @@ static void handle_signal(struct script_control *ctl, int fd)
switch (info.ssi_signo) {
case SIGCHLD:
- DBG(SIGNAL, ul_debug(" get signal SIGCHLD"));
- if (info.ssi_code == CLD_EXITED) {
+ DBG(SIGNAL, ul_debug(" get signal SIGCHLD [ssi_code=%d, ssi_status=%d]",
+ info.ssi_code, info.ssi_status));
+ if (info.ssi_code == CLD_EXITED
+ || info.ssi_code == CLD_KILLED
+ || info.ssi_code == CLD_DUMPED) {
wait_for_child(ctl, 0);
ctl->poll_timeout = 10;
+
+ /* In case of ssi_code is CLD_TRAPPED, CLD_STOPPED, or CLD_CONTINUED */
} else if (info.ssi_status == SIGSTOP && ctl->child) {
DBG(SIGNAL, ul_debug(" child stop by SIGSTOP -- stop parent too"));
kill(getpid(), SIGSTOP);
@@ -433,6 +438,7 @@ static void handle_signal(struct script_control *ctl, int fd)
default:
abort();
}
+ DBG(SIGNAL, ul_debug("signal handle on FD %d done", fd));
}
static void do_io(struct script_control *ctl)
--
2.31.1
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