Move jmp-related stuff from signal.h to unwind.h.

* gc.c: Include "unwind.h" for jmp_buf.

* signal.h (struct jmp): All versions removed from here.
(jmp_save, jmp_restore): Declarations removed from here.
(EJ_DBG_MEMB): Macro removed.
(extended_jmp_buf): Struct type removed.
(extended_setjmp, extended_longjmp): Macros removed.
(extjmp_save, extjmp_restore): Declarations removed.

* unwind.h (struct jmp): Declared here.
(jmp_save, jmp_restore): Declared here.
(EJ_DBG_MEMB): Macro moved here.
(extended_jmp_buf): Struct type moved here.
(extended_setjmp, extended_longjmp): Declared here.
(extjmp_save, extjmp_restore): Declared here.

1 files changed, 1 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 3460fb27..2d86c830 100644
--- a/gc.c
+++ b/gc.c
@@ -42,6 +42,7 @@
 #include "eval.h"
 #include "gc.h"
 #include "signal.h"
+#include "unwind.h"
 
 #define PROT_STACK_SIZE         1024
 #define HEAP_SIZE               16384