From 7f7a3f778dd0857b7e0a04e3734493d96bc4e863 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Wed, 19 Nov 2008 02:56:16 +0000
Subject: *** empty log message ***

---
 coro.c | 17 +++++------------
 coro.h | 28 ++++++++++++++++------------
 2 files changed, 21 insertions(+), 24 deletions(-)

diff --git a/coro.c b/coro.c
index 25dfef8..cce35ce 100644
--- a/coro.c
+++ b/coro.c
@@ -102,15 +102,8 @@ static volatile int trampoline_done;
 static void
 trampoline (int sig)
 {
-  if (
-    #if _XOPEN_UNIX > 0
-      _setjmp (new_coro->env)
-    #else
-      sigsetjmp (new_coro->env, 0)
-    #endif
-  ) {
-      coro_init (); /* start it */
-    }
+  if (coro_setjmp (new_coro->env))
+    coro_init (); /* start it */
   else
     trampoline_done = 1;
 }
@@ -231,7 +224,7 @@ coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssiz
 
 # elif CORO_LOSER
 
-  setjmp (ctx->env);
+  coro_setjmp (ctx->env);
   #if __CYGWIN__
     ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long);
     ctx->env[8] = (long)coro_init;
@@ -250,7 +243,7 @@ coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssiz
 
 # elif CORO_LINUX
 
-  _setjmp (ctx->env);
+  coro_setjmp (ctx->env);
   #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP)
     ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
     ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long);
@@ -269,7 +262,7 @@ coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssiz
 
 # elif CORO_IRIX
 
-  sigsetjmp (ctx->env, 0);
+  coro_setjmp (ctx->env, 0);
   ctx->env[JB_PC] = (__uint64_t)coro_init;
   ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long);
 
diff --git a/coro.h b/coro.h
index 09f881f..8ca8d39 100644
--- a/coro.h
+++ b/coro.h
@@ -67,6 +67,7 @@
  *            major code cleanup/restructuring.
  * 2008-11-10 the .cfi hacks are no longer needed.
  * 2008-11-16 work around a freebsd pthread bug.
+ * 2008-11-19 define coro_*jmp symbols for easier porting.
  */
 
 #ifndef CORO_H
@@ -241,22 +242,25 @@ struct coro_context {
 
 # include <setjmp.h>
 
-struct coro_context {
-#if _XOPEN_UNIX > 0 || CORO_LOSER
-  jmp_buf env;
-#else
-  sigjmp_buf env;
-#endif
-};
-
-# if _XOPEN_UNIX > 0
-#  define coro_transfer(p,n) do { if (!  _setjmp ((p)->env   ))   _longjmp ((n)->env, 1); } while (0)
+# if _XOPEN_UNIX > 0 || defined (_setjmp)
+#  define coro_jmp_buf      jmp_buf
+#  define coro_setjmp(env)  _setjmp (env)
+#  define coro_longjmp(env) _longjmp ((env), 1)
 # elif CORO_LOSER
-#  define coro_transfer(p,n) do { if (!   setjmp ((p)->env   ))    longjmp ((n)->env, 1); } while (0)
+#  define coro_jmp_buf      jmp_buf
+#  define coro_setjmp(env)  setjmp (env)
+#  define coro_longjmp(env) longjmp ((env), 1)
 # else
-#  define coro_transfer(p,n) do { if (!sigsetjmp ((p)->env, 0)) siglongjmp ((n)->env, 1); } while (0)
+#  define coro_jmp_buf      sigjmp_buf
+#  define coro_setjmp(env)  sigsetjmp (env, 0)
+#  define coro_longjmp(env) siglongjmp ((env), 1)
 # endif
 
+struct coro_context {
+  coro_jmp_buf env;
+};
+
+# define coro_transfer(p,n) do { if (!coro_setjmp ((p)->env)) coro_longjmp ((n)->env); } while (0)
 # define coro_destroy(ctx) (void *)(ctx)
 
 #elif CORO_ASM
-- 
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