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49 lines
1.4 KiB
Diff
49 lines
1.4 KiB
Diff
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commit 0370a7a40fe9523ea334dcb8a2a60f1418595b49
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Author: Dmitry Goncharov <dgoncharov@users.sf.net>
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Date: Sun Nov 6 07:36:26 2022 -0500
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[SV 63307] Spawn children with the default disposition of sigpipe.
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* src/main.c (main): Set sigpipe disposition to a handler, rather than
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SIG_IGN, in order for children to have the default sigpipe disposition.
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* tests/scripts/misc/sigpipe: Add sigpipe tests.
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diff --git a/src/main.c b/src/main.c
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index eec93656..d8857696 100644
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--- a/src/main.c
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+++ b/src/main.c
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@@ -1152,6 +1152,15 @@ temp_stdin_unlink ()
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}
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}
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+#ifdef SIGPIPE
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+static void
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+handle_sigpipe (int sig)
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+{
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+ /* Suppress unused variable warning. */
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+ sig = sig;
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+}
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+#endif
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+
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#ifdef _AMIGA
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int
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main (int argc, char **argv)
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@@ -1182,9 +1191,15 @@ main (int argc, char **argv, char **envp)
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/* Useful for attaching debuggers, etc. */
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SPIN ("main-entry");
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- /* Don't die if our stdout sends us SIGPIPE. */
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+ /* Don't die if our stdout sends us SIGPIPE to get temporary files removed.
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+ * If make has inherited SIG_IGN, keep running with SIG_IGN to let make's
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+ * children inherit SIG_IGN.
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+ * Othwerwise, set sigpipe disposition to a handler, in order for children to
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+ * have the default sigpipe disposition. */
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+
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#ifdef SIGPIPE
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- bsd_signal (SIGPIPE, SIG_IGN);
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+ if (bsd_signal (SIGPIPE, handle_sigpipe) == SIG_IGN)
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+ bsd_signal (SIGPIPE, SIG_IGN);
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#endif
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#ifdef HAVE_ATEXIT
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