From 5732566f4d9a026fef3904f3237a9f7255ba91f2 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 6 Nov 2008 13:21:26 +0000
Subject: * thread.c (rb_thread_stop_timer_thread): terminates timer thread  
 immediately.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20117 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_win32.c | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

(limited to 'thread_win32.c')

diff --git a/thread_win32.c b/thread_win32.c
index 46780d8ff4..5d6bf9e4bf 100644
--- a/thread_win32.c
+++ b/thread_win32.c
@@ -451,11 +451,26 @@ native_thread_destroy(rb_thread_t *th)
     w32_close_handle(intr);
 }
 
+static void *
+get_stack_info(const void *ptr, size_t *maxsize)
+{
+    MEMORY_BASIC_INFORMATION mi;
+    DWORD size;
+    DWORD space;
+
+    if (!VirtualQuery(ptr, &mi, sizeof(mi))) return 0;
+    size = (char *)mi.BaseAddress - (char *)mi.AllocationBase;
+    space = size / 5;
+    if (space > 1024*1024) space = 1024*1024;
+    *maxsize = size - space;
+    return (VALUE *)mi.BaseAddress - 1;
+}
+
 static unsigned long _stdcall
 thread_start_func_1(void *th_ptr)
 {
     rb_thread_t *th = th_ptr;
-    VALUE stack_start;
+    VALUE *stack_start;
     volatile HANDLE thread_id = th->thread_id;
 
     native_thread_init_stack(th);
@@ -464,7 +479,9 @@ thread_start_func_1(void *th_ptr)
     /* run */
     thread_debug("thread created (th: %p, thid: %p, event: %p)\n", th,
 		 th->thread_id, th->native_thread_data.interrupt_event);
-    thread_start_func_2(th, &stack_start, 0);
+
+    stack_start = get_stack_info(&stack_start, &th->machine_stack_maxsize);
+    thread_start_func_2(th, stack_start, rb_ia64_bsp());
 
     w32_close_handle(thread_id);
     thread_debug("thread deleted (th: %p)\n", th);
@@ -531,27 +548,33 @@ ubf_handle(void *ptr)
 }
 
 static HANDLE timer_thread_id = 0;
+static HANDLE timer_thread_lock;
 
 static unsigned long _stdcall
 timer_thread_func(void *dummy)
 {
     thread_debug("timer_thread\n");
-    while (system_working) {
-	Sleep(WIN32_WAIT_TIMEOUT);
+    while (WaitForSingleObject(timer_thread_lock, WIN32_WAIT_TIMEOUT) ==
+	   WAIT_TIMEOUT) {
 	timer_thread_function(dummy);
     }
     thread_debug("timer killed\n");
     return 0;
 }
 
-void
+static void
 rb_thread_create_timer_thread(void)
 {
     if (timer_thread_id == 0) {
+	if (!timer_thread_lock) {
+	    timer_thread_lock = CreateEvent(0, TRUE, FALSE, 0);
+	}
 	timer_thread_id = w32_create_thread(1024 + (THREAD_DEBUG ? BUFSIZ : 0),
-					    timer_thread_func, GET_VM());
+					    timer_thread_func, 0);
 	w32_resume_thread(timer_thread_id);
     }
 }
 
+#define native_stop_timer_thread() (CloseHandle(timer_thread_lock), timer_thread_lock = 0)
+
 #endif /* THREAD_SYSTEM_DEPENDENT_IMPLEMENTATION */
-- 
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