Merge pull request #755 from ondrejmyska/master

[mono.git] / mono / utils / mono-threads.h

diff --git a/mono/utils/mono-threads.h b/mono/utils/mono-threads.h
index f192dd70732e1e6fc42a06395bcad58941879ead..0004e55c967954e437d6fcda1ec5e020bee49212 100644 (file)
--- a/mono/utils/mono-threads.h
+++ b/mono/utils/mono-threads.h
@@ -13,9 +13,7 @@
 #include <mono/utils/mono-semaphore.h>
 #include <mono/utils/mono-stack-unwinding.h>
 #include <mono/utils/mono-linked-list-set.h>
-
-/* FIXME used for CRITICAL_SECTION replace with mono-mutex  */
-#include <mono/io-layer/io-layer.h>
+#include <mono/utils/mono-mutex.h>
 
 #include <glib.h>
 
@@ -98,8 +96,11 @@ typedef struct {
        MonoNativeThreadHandle native_handle; /* Valid on mach and android */
        int thread_state;
 
-       /* suspend machinery, fields protected by the suspend_lock */
-       CRITICAL_SECTION suspend_lock;
+       /*Tells if this thread was created by the runtime or not.*/
+       gboolean runtime_thread;
+
+       /* suspend machinery, fields protected by suspend_semaphore */
+       MonoSemType suspend_semaphore;
        int suspend_count;
 
        MonoSemType finish_resume_semaphore;
@@ -107,8 +108,9 @@ typedef struct {
 
        /* only needed by the posix backend */ 
 #if (defined(_POSIX_VERSION) || defined(__native_client__)) && !defined (__MACH__)
-       MonoSemType suspend_semaphore;
+       MonoSemType begin_suspend_semaphore;
        gboolean syscall_break_signal;
+       gboolean suspend_can_continue;
 #endif
 
        /*In theory, only the posix backend needs this, but having it on mach/win32 simplifies things a lot.*/
@@ -117,6 +119,13 @@ typedef struct {
        /*async call machinery, thread MUST be suspended before accessing those fields*/
        void (*async_target)(void*);
        void *user_data;
+
+       /*
+       If true, this thread is running a critical region of code and cannot be suspended.
+       A critical session is implicitly started when you call mono_thread_info_safe_suspend_sync
+       and is ended when you call either mono_thread_info_resume or mono_thread_info_finish_suspend.
+       */
+       gboolean inside_critical_region;
 } MonoThreadInfo;
 
 typedef struct {
@@ -197,6 +206,9 @@ mono_thread_info_safe_suspend_sync (MonoNativeThreadId tid, gboolean interrupt_k
 gboolean
 mono_thread_info_resume (MonoNativeThreadId tid) MONO_INTERNAL;
 
+void
+mono_thread_info_finish_suspend (void) MONO_INTERNAL;
+
 void
 mono_thread_info_self_suspend (void) MONO_INTERNAL;