From 294b585994da4427ac98a8353ff41aed5f301d54 Mon Sep 17 00:00:00 2001
From: pk33 <pk33@pk33.space>
Date: Fri, 1 Nov 2024 23:51:15 +0100
Subject: Import and fix old code

---
 include/musl/setjmp.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 include/musl/setjmp.h

(limited to 'include/musl/setjmp.h')

diff --git a/include/musl/setjmp.h b/include/musl/setjmp.h
new file mode 100644
index 0000000..1976af2
--- /dev/null
+++ b/include/musl/setjmp.h
@@ -0,0 +1,49 @@
+#ifndef	_SETJMP_H
+#define	_SETJMP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
+#include <bits/setjmp.h>
+
+typedef struct __jmp_buf_tag {
+	__jmp_buf __jb;
+	unsigned long __fl;
+	unsigned long __ss[128/sizeof(long)];
+} jmp_buf[1];
+
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
+#define __setjmp_attr __attribute__((__returns_twice__))
+#else
+#define __setjmp_attr
+#endif
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+typedef jmp_buf sigjmp_buf;
+int sigsetjmp (sigjmp_buf, int) __setjmp_attr;
+_Noreturn void siglongjmp (sigjmp_buf, int);
+#endif
+
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+int _setjmp (jmp_buf) __setjmp_attr;
+_Noreturn void _longjmp (jmp_buf, int);
+#endif
+
+int setjmp (jmp_buf) __setjmp_attr;
+_Noreturn void longjmp (jmp_buf, int);
+
+#define setjmp setjmp
+
+#undef __setjmp_attr
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
-- 
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