Blame httpd-2.4.10-sigint.patch
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diff --git a/server/mpm/prefork/prefork.c b/server/mpm/prefork/prefork.c
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index 559f90a..a386a75 100644
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--- a/server/mpm/prefork/prefork.c
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+++ b/server/mpm/prefork/prefork.c
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@@ -220,6 +220,9 @@ static void clean_child_exit(int code)
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{
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retained->mpm->mpm_state = AP_MPMQ_STOPPING;
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+ apr_signal(SIGHUP, SIG_IGN);
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+ apr_signal(SIGTERM, SIG_IGN);
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+
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if (pchild) {
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apr_pool_destroy(pchild);
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}
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@@ -699,6 +702,13 @@ static int make_child(server_rec *s, int slot, int bucket)
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*/
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apr_signal(SIGHUP, just_die);
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apr_signal(SIGTERM, just_die);
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+ /* Ignore SIGINT in child. This fixes race-condition in signals
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+ * handling when httpd is runnning on foreground and user hits ctrl+c.
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+ * In this case, SIGINT is sent to all children followed by SIGTERM
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+ * from the main process, which interrupts the SIGINT handler and
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+ * leads to inconsistency.
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+ */
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+ apr_signal(SIGINT, SIG_IGN);
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/* The child process just closes listeners on AP_SIG_GRACEFUL.
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* The pod is used for signalling the graceful restart.
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*/
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