49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From 36f89ff1d8b761c815d8993e9833e6357a57fc6b Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Fri, 1 Jun 2018 10:20:32 -0400
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Subject: [PATCH] SIGINT trap handler SIGINT loop fix
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---
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jobs.c | 12 +++++++++++-
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patchlevel.h | 2 +-
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2 files changed, 12 insertions(+), 2 deletions(-)
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diff --git a/jobs.c b/jobs.c
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index 2684632d..5ee21e10 100644
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--- a/jobs.c
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+++ b/jobs.c
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@@ -2689,7 +2689,17 @@ wait_for (pid)
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wait_sigint_received = child_caught_sigint = 0;
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if (job_control == 0 || (subshell_environment&SUBSHELL_COMSUB))
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{
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- old_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
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+ SigHandler *temp_sigint_handler;
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+
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+ temp_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
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+ if (temp_sigint_handler == wait_sigint_handler)
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+ {
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+#if defined (DEBUG)
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+ internal_warning ("wait_for: recursively setting old_sigint_handler to wait_sigint_handler: running_trap = %d", running_trap);
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+#endif
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+ }
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+ else
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+ old_sigint_handler = temp_sigint_handler;
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waiting_for_child = 0;
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if (old_sigint_handler == SIG_IGN)
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set_signal_handler (SIGINT, old_sigint_handler);
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diff --git a/patchlevel.h b/patchlevel.h
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index 4a65dc0f..d87b0ba7 100644
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 20
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+#define PATCHLEVEL 21
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#endif /* _PATCHLEVEL_H_ */
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--
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2.14.4
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