Blame SOURCES/httpd-2.4.6-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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          */