From 70505f05f3954bd4d8850a0ecb943e2dab2795e9 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Mon, 8 Jan 2024 16:05:02 -0500
Subject: mark as signal-safe

---
 src/stdlib/_Exit.c      | 4 ++++
 src/stdlib/abort.c      | 9 +++------
 src/stdlib/quick_exit.c | 3 +++
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/stdlib/_Exit.c b/src/stdlib/_Exit.c
index b973ebbc..59d045fe 100644
--- a/src/stdlib/_Exit.c
+++ b/src/stdlib/_Exit.c
@@ -1,12 +1,16 @@
 #if 0
 
 #include <stdlib.h>
+#include "_safety.h"
 #include "_syscall.h"
 
 /** cause normal program termination without handlers **/
 _Noreturn void _Exit(int status)
 {
 	long scno = __syscall_lookup(exit);
+
+	SIGNAL_SAFE(1);
+
 	for (;;) {
 		__syscall(scno, status);
 	}
diff --git a/src/stdlib/abort.c b/src/stdlib/abort.c
index fb2578c8..cf968456 100644
--- a/src/stdlib/abort.c
+++ b/src/stdlib/abort.c
@@ -1,13 +1,13 @@
-#if 0
-
 #include <stdlib.h>
-#include <sys/types.h>
 #include <signal.h>
+#include "_safety.h"
 
 /** cause abnormal program termination **/
 
 _Noreturn void abort(void)
 {
+	SIGNAL_SAFE(1);
+
 	for (;;) {
 		raise(SIGABRT);
 	}
@@ -26,6 +26,3 @@ IMPLEMENTATION(whether temporary files are removed)
 IMPLEMENTATION(the value of unsuccessful termination returned to the host environment)
 STDC(1)
 */
-
-
-#endif
diff --git a/src/stdlib/quick_exit.c b/src/stdlib/quick_exit.c
index 56d4c560..e1f1213a 100644
--- a/src/stdlib/quick_exit.c
+++ b/src/stdlib/quick_exit.c
@@ -1,11 +1,14 @@
 #if 0
 
 #include <stdlib.h>
+#include "_safety.h"
 #include "_stdlib.h"
 
 /** cause normal quick program termination **/
 _Noreturn void quick_exit(int status)
 {
+	SIGNAL_SAFE(1);
+
 	/* execute all at_quick_exit() registered functions in reverse order */
 	while (__stdlib.at_quick_exit) {
 		__stdlib.at_quick_exit->fn();
-- 
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