--- libcoro/coro.c	2005/03/21 14:35:22	1.15
+++ libcoro/coro.c	2006/10/26 05:20:47	1.20
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2005 Marc Alexander Lehmann <schmorp@schmorp.de>
+ * Copyright (c) 2001-2006 Marc Alexander Lehmann <schmorp@schmorp.de>
  * 
  * Redistribution and use in source and binary forms, with or without modifica-
  * tion, are permitted provided that the following conditions are met:
@@ -40,17 +40,27 @@
 # elif __i386__ && CORO_LINUX
 #  define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss))
 #  define STACK_ADJUST_SIZE(sp,ss) (ss)
+# elif __amd64__ && CORO_LINUX
+#  define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8)
+#  define STACK_ADJUST_SIZE(sp,ss) (ss)
 # else
 #  define STACK_ADJUST_PTR(sp,ss) (sp)
 #  define STACK_ADJUST_SIZE(sp,ss) (ss)
 # endif
 #endif
 
-#if CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX
+#if CORO_UCONTEXT
+# include <stddef.h>
+#endif
+
+#if CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX
+
+#include <stdlib.h>
 
 #if CORO_SJLJ
 # include <stdio.h>
 # include <signal.h>
+# include <unistd.h>
 #endif
 
 static volatile coro_func coro_init_func;
@@ -105,7 +115,7 @@
 
   makecontext (&(ctx->uc), (void (*)()) coro, 1, arg);
 
-#elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX
+#elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX
 
 # if CORO_SJLJ
   stack_t ostk, nstk;
@@ -161,11 +171,11 @@
   if (~ostk.ss_flags & SS_DISABLE)
     sigaltstack (&ostk, 0);
 
-  sigaction (SIGUSR1, &osa, 0);
+  sigaction (SIGUSR2, &osa, 0);
 
   sigprocmask (SIG_SETMASK, &osig, 0);
 
-# elif CORO_LOOSE
+# elif CORO_LOSER
 
   setjmp (ctx->env);
   ctx->env[7] = (long)((char *)sptr + ssize);
@@ -187,7 +197,7 @@
   ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize);
 #elif defined(__GNU_LIBRARY__) && defined(__amd64__)
   ctx->env[0].__jmpbuf[JB_PC]  = (long)coro_init;
-  ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize);
+  ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr,ssize);
 #else
 #error "linux libc or architecture not supported"
 #endif