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-rw-r--r--include/setjmp.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/include/setjmp.h b/include/setjmp.h
index 6288c846..a5bb1e20 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -6,19 +6,27 @@ extern "C" {
 #endif
 
 #include <bits/setjmp.h>
-typedef unsigned long sigjmp_buf[(1024+sizeof(jmp_buf))/sizeof(long)];
 
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+typedef unsigned long sigjmp_buf[(1024+sizeof(jmp_buf))/sizeof(long)];
 #ifdef _GNU_SOURCE
 #define jmp_buf sigjmp_buf
 #endif
+int sigsetjmp (sigjmp_buf, int);
+void siglongjmp (sigjmp_buf, int);
+#endif
 
-int setjmp (jmp_buf);
+
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
 int _setjmp (jmp_buf);
-int sigsetjmp (sigjmp_buf, int);
+void _longjmp (jmp_buf, int);
+#endif
+
 
+int setjmp (jmp_buf);
 void longjmp (jmp_buf, int);
-void _longjmp (jmp_buf, int);
-void siglongjmp (sigjmp_buf, int);
 
 #define setjmp setjmp
 #define longjmp longjmp