glx: remove support for non-multithreaded platforms

Implicitly required for a while, although commit 9385c592c68 (mapi:
remove u_thread.h) was the one that put the final nail on the
coffin.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

3 files changed, 2 insertions, 29 deletions

diff --git a/src/glx/glxclient.h b/src/glx/glxclient.h
index a140c87..4211d31 100644
--- a/src/glx/glxclient.h
+++ b/src/glx/glxclient.h
@@ -47,15 +47,13 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <pthread.h>
 #ifdef _WIN32
 #include <stdint.h>
 #endif
 #include "GL/glxproto.h"
 #include "glxconfig.h"
 #include "glxhash.h"
-#if defined( HAVE_PTHREAD )
-# include <pthread.h>
-#endif
 #include "util/macros.h"
 
 #include "glxextensions.h"
@@ -631,7 +629,6 @@ extern void __glXPreferEGL(int state);
 extern int __glXDebug;
 
 /* This is per-thread storage in an MT environment */
-#if defined( HAVE_PTHREAD )
 
 extern void __glXSetCurrentContext(struct glx_context * c);
 
@@ -648,14 +645,6 @@ extern struct glx_context *__glXGetCurrentContext(void);
 
 # endif /* defined( GLX_USE_TLS ) */
 
-#else
-
-extern struct glx_context *__glXcurrentContext;
-#define __glXGetCurrentContext() __glXcurrentContext
-#define __glXSetCurrentContext(gc) __glXcurrentContext = gc
-
-#endif /* defined( HAVE_PTHREAD ) */
-
 extern void __glXSetCurrentContextNull(void);
 
 
@@ -663,14 +652,9 @@ extern void __glXSetCurrentContextNull(void);
 ** Global lock for all threads in this address space using the GLX
 ** extension
 */
-#if defined( HAVE_PTHREAD )
 extern pthread_mutex_t __glXmutex;
 #define __glXLock()    pthread_mutex_lock(&__glXmutex)
 #define __glXUnlock()  pthread_mutex_unlock(&__glXmutex)
-#else
-#define __glXLock()
-#define __glXUnlock()
-#endif
 
 /*
 ** Setup for a command.  Initialize the extension for dpy if necessary.
diff --git a/src/glx/glxcurrent.c b/src/glx/glxcurrent.c
index 86fb658..7f47a42 100644
--- a/src/glx/glxcurrent.c
+++ b/src/glx/glxcurrent.c
@@ -33,9 +33,7 @@
  * Client-side GLX interface for current context management.
  */
 
-#ifdef HAVE_PTHREAD
 #include <pthread.h>
-#endif
 
 #include "glxclient.h"
 
@@ -67,8 +65,6 @@ struct glx_context dummyContext = {
  * Current context management and locking
  */
 
-#if defined( HAVE_PTHREAD )
-
 _X_HIDDEN pthread_mutex_t __glXmutex = PTHREAD_MUTEX_INITIALIZER;
 
 # if defined( GLX_USE_TLS )
@@ -138,13 +134,6 @@ __glXGetCurrentContext(void)
 
 # endif /* defined( GLX_USE_TLS ) */
 
-#else
-
-/* not thread safe */
-_X_HIDDEN struct glx_context *__glXcurrentContext = &dummyContext;
-
-#endif
-
 
 _X_HIDDEN void
 __glXSetCurrentContextNull(void)
diff --git a/src/glx/tests/fake_glx_screen.cpp b/src/glx/tests/fake_glx_screen.cpp
index ccb1afa..db20749 100644
--- a/src/glx/tests/fake_glx_screen.cpp
+++ b/src/glx/tests/fake_glx_screen.cpp
@@ -77,7 +77,7 @@ indirect_create_context_attribs(struct glx_screen *base,
 
 __thread void *__glX_tls_Context = NULL;
 
-#if defined(HAVE_PTHREAD) && !defined(GLX_USE_TLS)
+#if !defined(GLX_USE_TLS)
 extern "C" struct glx_context *
 __glXGetCurrentContext()
 {