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-rw-r--r--libc-top-half/musl/include/setjmp.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/libc-top-half/musl/include/setjmp.h b/libc-top-half/musl/include/setjmp.h
new file mode 100644
index 0000000..f505f8e
--- /dev/null
+++ b/libc-top-half/musl/include/setjmp.h
@@ -0,0 +1,53 @@
+#ifndef _SETJMP_H
+#define _SETJMP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
+#ifdef __wasilibc_unmodified_upstream /* WASI has no setjmp */
+#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
+#else
+#warning setjmp is not yet implemented for WASI
+#endif
+
+#undef __setjmp_attr
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif