X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=libgc%2Fwin32_threads.c;h=a2cd0fda43ee3dbd88bf8d15884bc76c1f35c750;hb=d5c8747c5a0fc194a9d32ccc066e8813c3cd2bb9;hp=3195094cc117ec39fcf0a84af0053c443dba8d7f;hpb=fefd6f1d0578964f8ec15e061c5b2db1f9ef4fbc;p=mono.git

diff --git a/libgc/win32_threads.c b/libgc/win32_threads.c
index 3195094cc11..a2cd0fda43e 100644
--- a/libgc/win32_threads.c
+++ b/libgc/win32_threads.c
@@ -1,6 +1,7 @@
+#include "private/gc_priv.h"
+
 #if defined(GC_WIN32_THREADS) 
 
-#include "private/gc_priv.h"
 #include <windows.h>
 
 #ifdef CYGWIN32
@@ -10,6 +11,7 @@
 # undef pthread_create 
 # undef pthread_sigmask 
 # undef pthread_join 
+# undef pthread_detach
 # undef dlopen 
 
 # define DEBUG_CYGWIN_THREADS 0
@@ -195,7 +197,7 @@ static void GC_delete_thread(DWORD thread_id) {
        /* Must still be in_use, since nobody else can store our thread_id. */
        i++) {}
   if (i > my_max) {
-    WARN("Removing nonexisiting thread %ld\n", (GC_word)thread_id);
+    WARN("Removing nonexistent thread %ld\n", (GC_word)thread_id);
   } else {
     GC_delete_gc_thread(thread_table+i);
   }
@@ -242,6 +244,9 @@ void GC_push_thread_structures GC_PROTO((void))
 # endif
 }
 
+/* Defined in misc.c */
+extern CRITICAL_SECTION GC_write_cs;
+
 void GC_stop_world()
 {
   DWORD thread_id = GetCurrentThreadId();
@@ -250,6 +255,9 @@ void GC_stop_world()
   if (!GC_thr_initialized) ABORT("GC_stop_world() called before GC_thr_init()");
 
   GC_please_stop = TRUE;
+# ifndef CYGWIN32
+    EnterCriticalSection(&GC_write_cs);
+# endif /* !CYGWIN32 */
   for (i = 0; i <= GC_get_max_thread_index(); i++)
     if (thread_table[i].stack_base != 0
 	&& thread_table[i].id != thread_id) {
@@ -275,11 +283,21 @@ void GC_stop_world()
 #         endif
 	  continue;
 	}
-	if (SuspendThread(thread_table[i].handle) == (DWORD)-1)
-	  ABORT("SuspendThread failed");
+	if (SuspendThread(thread_table[i].handle) == (DWORD)-1) {
+          thread_table[i].stack_base = 0; /* prevent stack from being pushed */
+#         ifndef CYGWIN32
+            /* this breaks pthread_join on Cygwin, which is guaranteed to  */
+	    /* only see user pthreads 					   */
+	    thread_table[i].in_use = FALSE;
+	    CloseHandle(thread_table[i].handle);
+#         endif
+	}
 #     endif
       thread_table[i].suspended = TRUE;
     }
+# ifndef CYGWIN32
+    LeaveCriticalSection(&GC_write_cs);
+# endif /* !CYGWIN32 */
 }
 
 void GC_start_world()
@@ -367,7 +385,11 @@ void GC_push_all_stacks()
 #       define PUSH4(r1,r2,r3,r4) PUSH2(r1,r2), PUSH2(r3,r4)
 #       if defined(I386)
           PUSH4(Edi,Esi,Ebx,Edx), PUSH2(Ecx,Eax), PUSH1(Ebp);
-	  sp = (ptr_t)context.Esp;
+	  sp = (ptr_t)context.Esp;
+#	elif defined(X86_64)
+	  PUSH4(Rax,Rcx,Rdx,Rbx); PUSH2(Rbp, Rsi); PUSH1(Rdi);
+	  PUSH4(R8, R9, R10, R11); PUSH4(R12, R13, R14, R15);
+	  sp = (ptr_t)context.Rsp;
 #       elif defined(ARM32)
 	  PUSH4(R0,R1,R2,R3),PUSH4(R4,R5,R6,R7),PUSH4(R8,R9,R10,R11),PUSH1(R12);
 	  sp = (ptr_t)context.Sp;
@@ -760,7 +782,7 @@ int GC_pthread_detach(pthread_t thread)
  * Pontus Rydin suggests wrapping the thread start routine instead.
  */
 #if defined(GC_DLL) || defined(GC_INSIDE_DLL)
-BOOL WINAPI DllMain(HINSTANCE inst, ULONG reason, LPVOID reserved)
+BOOL WINAPI GC_DllMain(HINSTANCE inst, ULONG reason, LPVOID reserved)
 {
   switch (reason) {
   case DLL_PROCESS_ATTACH: