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add _Noreturn function attribute, with fallback for pre-C11 GNUC
[musl]
/
include
/
setjmp.h
diff --git
a/include/setjmp.h
b/include/setjmp.h
index
83ad749
..
8ec5c6f
100644
(file)
--- a/
include/setjmp.h
+++ b/
include/setjmp.h
@@
-5,13
+5,24
@@
extern "C" {
#endif
extern "C" {
#endif
+#if __STDC_VERSION__ >= 201112L
+#elif defined(__GNUC__)
+#define _Noreturn __attribute__((__noreturn__))
+#else
+#define _Noreturn
+#endif
+
#include <bits/setjmp.h>
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
#include <bits/setjmp.h>
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
-typedef unsigned long sigjmp_buf[(128+sizeof(jmp_buf))/sizeof(long)];
+typedef struct {
+ jmp_buf __jb;
+ unsigned long __fl;
+ unsigned long __ss[128/sizeof(long)];
+} sigjmp_buf[1];
int sigsetjmp (sigjmp_buf, int);
void siglongjmp (sigjmp_buf, int);
#endif
int sigsetjmp (sigjmp_buf, int);
void siglongjmp (sigjmp_buf, int);
#endif
@@
-25,7
+36,7
@@
void _longjmp (jmp_buf, int);
int setjmp (jmp_buf);
int setjmp (jmp_buf);
-void longjmp (jmp_buf, int);
+
_Noreturn
void longjmp (jmp_buf, int);
#define setjmp setjmp
#define longjmp longjmp
#define setjmp setjmp
#define longjmp longjmp