Index: third_party/sqlite/sqlite-src-3080704/src/mutex.h |
diff --git a/third_party/sqlite/sqlite-src-3080704/src/mutex.h b/third_party/sqlite/sqlite-src-3080704/src/mutex.h |
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index 0000000000000000000000000000000000000000..03eb1faadb67a7f3b00c79f56349872965b2db74 |
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+/* |
+** 2007 August 28 |
+** |
+** The author disclaims copyright to this source code. In place of |
+** a legal notice, here is a blessing: |
+** |
+** May you do good and not evil. |
+** May you find forgiveness for yourself and forgive others. |
+** May you share freely, never taking more than you give. |
+** |
+************************************************************************* |
+** |
+** This file contains the common header for all mutex implementations. |
+** The sqliteInt.h header #includes this file so that it is available |
+** to all source files. We break it out in an effort to keep the code |
+** better organized. |
+** |
+** NOTE: source files should *not* #include this header file directly. |
+** Source files should #include the sqliteInt.h file and let that file |
+** include this one indirectly. |
+*/ |
+ |
+ |
+/* |
+** Figure out what version of the code to use. The choices are |
+** |
+** SQLITE_MUTEX_OMIT No mutex logic. Not even stubs. The |
+** mutexes implementation cannot be overridden |
+** at start-time. |
+** |
+** SQLITE_MUTEX_NOOP For single-threaded applications. No |
+** mutual exclusion is provided. But this |
+** implementation can be overridden at |
+** start-time. |
+** |
+** SQLITE_MUTEX_PTHREADS For multi-threaded applications on Unix. |
+** |
+** SQLITE_MUTEX_W32 For multi-threaded applications on Win32. |
+*/ |
+#if !SQLITE_THREADSAFE |
+# define SQLITE_MUTEX_OMIT |
+#endif |
+#if SQLITE_THREADSAFE && !defined(SQLITE_MUTEX_NOOP) |
+# if SQLITE_OS_UNIX |
+# define SQLITE_MUTEX_PTHREADS |
+# elif SQLITE_OS_WIN |
+# define SQLITE_MUTEX_W32 |
+# else |
+# define SQLITE_MUTEX_NOOP |
+# endif |
+#endif |
+ |
+#ifdef SQLITE_MUTEX_OMIT |
+/* |
+** If this is a no-op implementation, implement everything as macros. |
+*/ |
+#define sqlite3_mutex_alloc(X) ((sqlite3_mutex*)8) |
+#define sqlite3_mutex_free(X) |
+#define sqlite3_mutex_enter(X) |
+#define sqlite3_mutex_try(X) SQLITE_OK |
+#define sqlite3_mutex_leave(X) |
+#define sqlite3_mutex_held(X) ((void)(X),1) |
+#define sqlite3_mutex_notheld(X) ((void)(X),1) |
+#define sqlite3MutexAlloc(X) ((sqlite3_mutex*)8) |
+#define sqlite3MutexInit() SQLITE_OK |
+#define sqlite3MutexEnd() |
+#define MUTEX_LOGIC(X) |
+#else |
+#define MUTEX_LOGIC(X) X |
+#endif /* defined(SQLITE_MUTEX_OMIT) */ |