X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ucw%2Fthreads.h;h=9334e29e317434a2cde4f1d3e2b3c5f77ddb2383;hb=e6688eeb82d349a202a30a243a59079bdc4c212d;hp=ef00dea1af953837793e49149379ab385e8ae262;hpb=ad920945145a18895ef391511c92ef42e0e4c3d7;p=libucw.git

diff --git a/ucw/threads.h b/ucw/threads.h
index ef00dea1..9334e29e 100644
--- a/ucw/threads.h
+++ b/ucw/threads.h
@@ -1,35 +1,55 @@
 /*
  *	The UCW Library -- Threading Helpers
  *
- *	(c) 2006 Martin Mares <mj@ucw.cz>
+ *	(c) 2006--2010 Martin Mares <mj@ucw.cz>
  *
  *	This software may be freely distributed and used according to the terms
  *	of the GNU Lesser General Public License.
  */
 
-#ifndef _UCW_THREAD_H
-#define _UCW_THREAD_H
+#ifndef _UCW_THREADS_H
+#define _UCW_THREADS_H
 
 /* This structure holds per-thread data */
 
 struct ucwlib_context {
-  int thread_id;			// Thread ID (either kernel tid or a counter)
+  int _thread_id;			// Thread ID (either kernel tid or a counter, use ucwlib_thread_id())
   int temp_counter;			// Counter for fb-temp.c
   struct asio_queue *io_queue;		// Async I/O queue for fb-direct.c
   ucw_sighandler_t *signal_handlers;	// Signal handlers for sighandler.c
+  struct main_context *main_context;	// Current context for mainloop.c
 };
 
+#ifdef CONFIG_UCW_THREADS
+
+#ifdef CONFIG_UCW_TLS
+extern __thread struct ucwlib_context ucwlib_context;
+static inline struct ucwlib_context *ucwlib_thread_context(void) { return &ucwlib_context; }
+int ucwlib_thread_id(struct ucwlib_context *c);
+#else
 struct ucwlib_context *ucwlib_thread_context(void);
+static inline int ucwlib_thread_id(struct ucwlib_context *c) { return c->_thread_id; }
+#endif
 
 /* Global lock used for initialization, cleanup and other not so frequently accessed global state */
 
 void ucwlib_lock(void);
 void ucwlib_unlock(void);
 
-#ifdef CONFIG_UCW_THREADS
-
 extern uns ucwlib_thread_stack_size;
 
+#else
+
+/* We have no threads, let's simulate the context and locking */
+
+extern struct ucwlib_context default_ucwlib_context;
+static inline struct ucwlib_context *ucwlib_thread_context(void) { return &default_ucwlib_context; }
+
+static inline int ucwlib_thread_id(struct ucwlib_context *c UNUSED) { return 0; }
+
+static inline void ucwlib_lock(void) { }
+static inline void ucwlib_unlock(void) { }
+
 #endif
 
 #endif