Revert "egl/main: use c11/threads' mutex directly"

This reverts commit 6cee785c69a5c8d2d32b6807f9c502117f5a74b0.

Not meant to go in yet. Lacking review.

11 files changed, 111 insertions, 47 deletions

diff --git a/src/egl/main/Makefile.sources b/src/egl/main/Makefile.sources
index 75f060a..6a917e2 100644
--- a/src/egl/main/Makefile.sources
+++ b/src/egl/main/Makefile.sources
@@ -26,6 +26,7 @@ LIBEGL_C_FILES := \
 	eglmisc.h \
 	eglmode.c \
 	eglmode.h \
+	eglmutex.h \
 	eglscreen.c \
 	eglscreen.h \
 	eglstring.c \
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index a74efcd..2258830 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -87,8 +87,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include "c99_compat.h"
-#include "c11/threads.h"
-#include "eglcompiler.h"
 
 #include "eglglobals.h"
 #include "eglcontext.h"
@@ -277,7 +275,7 @@ _eglLockDisplay(EGLDisplay display)
 {
    _EGLDisplay *dpy = _eglLookupDisplay(display);
    if (dpy)
-      mtx_lock(&dpy->Mutex);
+      _eglLockMutex(&dpy->Mutex);
    return dpy;
 }
 
@@ -288,7 +286,7 @@ _eglLockDisplay(EGLDisplay display)
 static inline void
 _eglUnlockDisplay(_EGLDisplay *dpy)
 {
-   mtx_unlock(&dpy->Mutex);
+   _eglUnlockMutex(&dpy->Mutex);
 }
 
 
@@ -898,7 +896,7 @@ eglWaitClient(void)
       RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
 
    disp = ctx->Resource.Display;
-   mtx_lock(&disp->Mutex);
+   _eglLockMutex(&disp->Mutex);
 
    /* let bad current context imply bad current surface */
    if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
@@ -944,7 +942,7 @@ eglWaitNative(EGLint engine)
       RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
 
    disp = ctx->Resource.Display;
-   mtx_lock(&disp->Mutex);
+   _eglLockMutex(&disp->Mutex);
 
    /* let bad current context imply bad current surface */
    if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
@@ -1459,10 +1457,10 @@ eglReleaseThread(void)
 
             t->CurrentAPIIndex = i;
 
-            mtx_lock(&disp->Mutex);
+            _eglLockMutex(&disp->Mutex);
             drv = disp->Driver;
             (void) drv->API.MakeCurrent(drv, disp, NULL, NULL, NULL);
-            mtx_unlock(&disp->Mutex);
+            _eglUnlockMutex(&disp->Mutex);
          }
       }
 
diff --git a/src/egl/main/eglcurrent.c b/src/egl/main/eglcurrent.c
index dc32ed4..3d49641 100644
--- a/src/egl/main/eglcurrent.c
+++ b/src/egl/main/eglcurrent.c
@@ -31,6 +31,7 @@
 #include "c99_compat.h"
 
 #include "egllog.h"
+#include "eglmutex.h"
 #include "eglcurrent.h"
 #include "eglglobals.h"
 
@@ -46,7 +47,7 @@ static _EGLThreadInfo dummy_thread = _EGL_THREAD_INFO_INITIALIZER;
 #if HAVE_PTHREAD
 #include <pthread.h>
 
-static mtx_t _egl_TSDMutex = _MTX_INITIALIZER_NP;
+static _EGLMutex _egl_TSDMutex = _EGL_MUTEX_INITIALIZER;
 static EGLBoolean _egl_TSDInitialized;
 static pthread_key_t _egl_TSD;
 static void (*_egl_FreeTSD)(_EGLThreadInfo *);
@@ -75,7 +76,7 @@ static inline _EGLThreadInfo *_eglGetTSD(void)
 
 static inline void _eglFiniTSD(void)
 {
-   mtx_lock(&_egl_TSDMutex);
+   _eglLockMutex(&_egl_TSDMutex);
    if (_egl_TSDInitialized) {
       _EGLThreadInfo *t = _eglGetTSD();
 
@@ -84,18 +85,18 @@ static inline void _eglFiniTSD(void)
          _egl_FreeTSD((void *) t);
       pthread_key_delete(_egl_TSD);
    }
-   mtx_unlock(&_egl_TSDMutex);
+   _eglUnlockMutex(&_egl_TSDMutex);
 }
 
 static inline EGLBoolean _eglInitTSD(void (*dtor)(_EGLThreadInfo *))
 {
    if (!_egl_TSDInitialized) {
-      mtx_lock(&_egl_TSDMutex);
+      _eglLockMutex(&_egl_TSDMutex);
 
       /* check again after acquiring lock */
       if (!_egl_TSDInitialized) {
          if (pthread_key_create(&_egl_TSD, (void (*)(void *)) dtor) != 0) {
-            mtx_unlock(&_egl_TSDMutex);
+            _eglUnlockMutex(&_egl_TSDMutex);
             return EGL_FALSE;
          }
          _egl_FreeTSD = dtor;
@@ -103,7 +104,7 @@ static inline EGLBoolean _eglInitTSD(void (*dtor)(_EGLThreadInfo *))
          _egl_TSDInitialized = EGL_TRUE;
       }
 
-      mtx_unlock(&_egl_TSDMutex);
+      _eglUnlockMutex(&_egl_TSDMutex);
    }
 
    return EGL_TRUE;
diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index b7a5b8f..a167ae5 100644
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -35,14 +35,13 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
-#include "c11/threads.h"
-
 #include "eglcontext.h"
 #include "eglcurrent.h"
 #include "eglsurface.h"
 #include "egldisplay.h"
 #include "egldriver.h"
 #include "eglglobals.h"
+#include "eglmutex.h"
 #include "egllog.h"
 
 /* Includes for _eglNativePlatformDetectNativeDisplay */
@@ -261,7 +260,7 @@ _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy)
    if (plat == _EGL_INVALID_PLATFORM)
       return NULL;
 
-   mtx_lock(_eglGlobal.Mutex);
+   _eglLockMutex(_eglGlobal.Mutex);
 
    /* search the display list first */
    dpy = _eglGlobal.DisplayList;
@@ -275,7 +274,7 @@ _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy)
    if (!dpy) {
       dpy = calloc(1, sizeof(_EGLDisplay));
       if (dpy) {
-         mtx_init(&dpy->Mutex, mtx_plain);
+         _eglInitMutex(&dpy->Mutex);
          dpy->Platform = plat;
          dpy->PlatformDisplay = plat_dpy;
 
@@ -285,7 +284,7 @@ _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy)
       }
    }
 
-   mtx_unlock(_eglGlobal.Mutex);
+   _eglUnlockMutex(_eglGlobal.Mutex);
 
    return dpy;
 }
@@ -345,14 +344,14 @@ _eglCheckDisplayHandle(EGLDisplay dpy)
 {
    _EGLDisplay *cur;
 
-   mtx_lock(_eglGlobal.Mutex);
+   _eglLockMutex(_eglGlobal.Mutex);
    cur = _eglGlobal.DisplayList;
    while (cur) {
       if (cur == (_EGLDisplay *) dpy)
          break;
       cur = cur->Next;
    }
-   mtx_unlock(_eglGlobal.Mutex);
+   _eglUnlockMutex(_eglGlobal.Mutex);
    return (cur != NULL);
 }
 
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 5a845d8..9c3c8c7 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -32,10 +32,10 @@
 #define EGLDISPLAY_INCLUDED
 
 #include "c99_compat.h"
-#include "c11/threads.h"
 
 #include "egltypedefs.h"
 #include "egldefines.h"
+#include "eglmutex.h"
 #include "eglarray.h"
 
 
@@ -132,7 +132,7 @@ struct _egl_display
    /* used to link displays */
    _EGLDisplay *Next;
 
-   mtx_t Mutex;
+   _EGLMutex Mutex;
 
    _EGLPlatformType Platform; /**< The type of the platform display */
    void *PlatformDisplay;     /**< A pointer to the platform display */
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
index 6983af9..e6a61f3 100644
--- a/src/egl/main/egldriver.c
+++ b/src/egl/main/egldriver.c
@@ -37,13 +37,13 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include "c11/threads.h"
 
 #include "eglstring.h"
 #include "egldefines.h"
 #include "egldisplay.h"
 #include "egldriver.h"
 #include "egllog.h"
+#include "eglmutex.h"
 
 #if defined(_EGL_OS_UNIX)
 #include <dlfcn.h>
@@ -63,7 +63,7 @@ typedef struct _egl_module {
    _EGLDriver *Driver;
 } _EGLModule;
 
-static mtx_t _eglModuleMutex = _MTX_INITIALIZER_NP;
+static _EGLMutex _eglModuleMutex = _EGL_MUTEX_INITIALIZER;
 static _EGLArray *_eglModules;
 
 const struct {
@@ -616,7 +616,7 @@ _eglMatchDriver(_EGLDisplay *dpy, EGLBoolean test_only)
 
    assert(!dpy->Initialized);
 
-   mtx_lock(&_eglModuleMutex);
+   _eglLockMutex(&_eglModuleMutex);
 
    /* set options */
    dpy->Options.TestOnly = test_only;
@@ -628,7 +628,7 @@ _eglMatchDriver(_EGLDisplay *dpy, EGLBoolean test_only)
       best_drv = _eglMatchAndInitialize(dpy);
    }
 
-   mtx_unlock(&_eglModuleMutex);
+   _eglUnlockMutex(&_eglModuleMutex);
 
    if (best_drv) {
       _eglLog(_EGL_DEBUG, "the best driver is %s%s",
diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c
index 129bf29..56fe9e2 100644
--- a/src/egl/main/eglglobals.c
+++ b/src/egl/main/eglglobals.c
@@ -30,14 +30,13 @@
 
 #include <stdlib.h>
 #include <assert.h>
-#include "c11/threads.h"
-
 #include "eglglobals.h"
 #include "egldisplay.h"
 #include "egldriver.h"
+#include "eglmutex.h"
 
 
-static mtx_t _eglGlobalMutex = _MTX_INITIALIZER_NP;
+static _EGLMutex _eglGlobalMutex = _EGL_MUTEX_INITIALIZER;
 
 struct _egl_global _eglGlobal =
 {
@@ -85,7 +84,7 @@ _eglAddAtExitCall(void (*func)(void))
    if (func) {
       static EGLBoolean registered = EGL_FALSE;
 
-      mtx_lock(_eglGlobal.Mutex);
+      _eglLockMutex(_eglGlobal.Mutex);
 
       if (!registered) {
          atexit(_eglAtExit);
@@ -95,6 +94,6 @@ _eglAddAtExitCall(void (*func)(void))
       assert(_eglGlobal.NumAtExitCalls < ARRAY_SIZE(_eglGlobal.AtExitCalls));
       _eglGlobal.AtExitCalls[_eglGlobal.NumAtExitCalls++] = func;
 
-      mtx_unlock(_eglGlobal.Mutex);
+      _eglUnlockMutex(_eglGlobal.Mutex);
    }
 }
diff --git a/src/egl/main/eglglobals.h b/src/egl/main/eglglobals.h
index 04b9609..a8cf6d6 100644
--- a/src/egl/main/eglglobals.h
+++ b/src/egl/main/eglglobals.h
@@ -32,9 +32,9 @@
 #define EGLGLOBALS_INCLUDED
 
 #include <stdbool.h>
-#include "c11/threads.h"
 
 #include "egltypedefs.h"
+#include "eglmutex.h"
 
 
 /**
@@ -42,7 +42,7 @@
  */
 struct _egl_global
 {
-   mtx_t *Mutex;
+   _EGLMutex *Mutex;
 
    /* the list of all displays */
    _EGLDisplay *DisplayList;
diff --git a/src/egl/main/egllog.c b/src/egl/main/egllog.c
index 1877d8b..babab07 100644
--- a/src/egl/main/egllog.c
+++ b/src/egl/main/egllog.c
@@ -38,24 +38,24 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include "c11/threads.h"
 
 #include "egllog.h"
 #include "eglstring.h"
+#include "eglmutex.h"
 
 #define MAXSTRING 1000
 #define FALLBACK_LOG_LEVEL _EGL_WARNING
 
 
 static struct {
-   mtx_t mutex;
+   _EGLMutex mutex;
 
    EGLBoolean initialized;
    EGLint level;
    _EGLLogProc logger;
    EGLint num_messages;
 } logging = {
-   _MTX_INITIALIZER_NP,
+   _EGL_MUTEX_INITIALIZER,
    EGL_FALSE,
    FALLBACK_LOG_LEVEL,
    NULL,
@@ -82,7 +82,7 @@ _eglSetLogProc(_EGLLogProc logger)
 {
    EGLint num_messages = 0;
 
-   mtx_lock(&logging.mutex);
+   _eglLockMutex(&logging.mutex);
 
    if (logging.logger != logger) {
       logging.logger = logger;
@@ -91,7 +91,7 @@ _eglSetLogProc(_EGLLogProc logger)
       logging.num_messages = 0;
    }
 
-   mtx_unlock(&logging.mutex);
+   _eglUnlockMutex(&logging.mutex);
 
    if (num_messages)
       _eglLog(_EGL_DEBUG,
@@ -111,9 +111,9 @@ _eglSetLogLevel(EGLint level)
    case _EGL_WARNING:
    case _EGL_INFO:
    case _EGL_DEBUG:
-      mtx_lock(&logging.mutex);
+      _eglLockMutex(&logging.mutex);
       logging.level = level;
-      mtx_unlock(&logging.mutex);
+      _eglUnlockMutex(&logging.mutex);
       break;
    default:
       break;
@@ -188,7 +188,7 @@ _eglLog(EGLint level, const char *fmtStr, ...)
    if (level > logging.level || level < 0)
       return;
 
-   mtx_lock(&logging.mutex);
+   _eglLockMutex(&logging.mutex);
 
    if (logging.logger) {
       va_start(args, fmtStr);
@@ -201,7 +201,7 @@ _eglLog(EGLint level, const char *fmtStr, ...)
       logging.num_messages++;
    }
 
-   mtx_unlock(&logging.mutex);
+   _eglUnlockMutex(&logging.mutex);
 
    if (level == _EGL_FATAL)
       exit(1); /* or abort()? */
diff --git a/src/egl/main/eglmutex.h b/src/egl/main/eglmutex.h
new file mode 100644
index 0000000..b58f0e3
--- /dev/null
+++ b/src/egl/main/eglmutex.h
@@ -0,0 +1,66 @@
+/**************************************************************************
+ *
+ * Copyright 2009 Chia-I Wu <olvaffe@gmail.com>
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef EGLMUTEX_INCLUDED
+#define EGLMUTEX_INCLUDED
+
+#include "c99_compat.h"
+
+#include "eglcompiler.h"
+
+#include "c11/threads.h"
+
+typedef mtx_t _EGLMutex;
+
+static inline void _eglInitMutex(_EGLMutex *m)
+{
+   mtx_init(m, mtx_plain);
+}
+
+static inline void
+_eglDestroyMutex(_EGLMutex *m)
+{
+   mtx_destroy(m);
+}
+
+static inline void
+_eglLockMutex(_EGLMutex *m)
+{
+   mtx_lock(m);
+}
+
+static inline void
+_eglUnlockMutex(_EGLMutex *m)
+{
+   mtx_unlock(m);
+}
+
+#define _EGL_MUTEX_INITIALIZER _MTX_INITIALIZER_NP
+
+
+#endif /* EGLMUTEX_INCLUDED */
diff --git a/src/egl/main/eglscreen.c b/src/egl/main/eglscreen.c
index 42ac621..b8f2b39 100644
--- a/src/egl/main/eglscreen.c
+++ b/src/egl/main/eglscreen.c
@@ -44,20 +44,20 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
-#include "c11/threads.h"
 
 #include "egldisplay.h"
 #include "eglcurrent.h"
 #include "eglmode.h"
 #include "eglsurface.h"
 #include "eglscreen.h"
+#include "eglmutex.h"
 
 
 #ifdef EGL_MESA_screen_surface
 
 
 /* ugh, no atomic op? */
-static mtx_t _eglNextScreenHandleMutex = _MTX_INITIALIZER_NP;
+static _EGLMutex _eglNextScreenHandleMutex = _EGL_MUTEX_INITIALIZER;
 static EGLScreenMESA _eglNextScreenHandle = 1;
 
 
@@ -70,10 +70,10 @@ _eglAllocScreenHandle(void)
 {
    EGLScreenMESA s;
 
-   mtx_lock(&_eglNextScreenHandleMutex);
+   _eglLockMutex(&_eglNextScreenHandleMutex);
    s = _eglNextScreenHandle;
    _eglNextScreenHandle += _EGL_SCREEN_MAX_MODES;
-   mtx_unlock(&_eglNextScreenHandleMutex);
+   _eglUnlockMutex(&_eglNextScreenHandleMutex);
 
    return s;
 }