Merge remote-tracking branch 'mesa-public/master' into vulkan

[mesa.git] / src / gallium / auxiliary / rtasm / rtasm_execmem.c

diff --git a/src/gallium/auxiliary/rtasm/rtasm_execmem.c b/src/gallium/auxiliary/rtasm/rtasm_execmem.c
index ffed768f979112b009de167e52eac4619084438d..f7e605e9563323626de81403079fda27e80699b3 100644 (file)
--- a/src/gallium/auxiliary/rtasm/rtasm_execmem.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_execmem.c
@@ -15,9 +15,10 @@
  * 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
- * BRIAN PAUL 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.
+ * 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.
  *
  **************************************************************************/
 
@@ -32,12 +33,12 @@
 
 #include "pipe/p_compiler.h"
 #include "util/u_debug.h"
-#include "pipe/p_thread.h"
+#include "os/os_thread.h"
 #include "util/u_memory.h"
 
 #include "rtasm_execmem.h"
 
-#if defined(PIPE_OS_BSD)
+#ifndef MAP_ANONYMOUS
 #define MAP_ANONYMOUS MAP_ANON
 #endif
 
@@ -48,7 +49,7 @@
 #include <windows.h>
 #endif
 
-#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
+#if defined(PIPE_OS_UNIX)
 
 
 /*
@@ -58,7 +59,6 @@
 
 #include <unistd.h>
 #include <sys/mman.h>
-#include "pipe/p_thread.h"
 #include "util/u_mm.h"
 
 #define EXEC_HEAP_SIZE (10*1024*1024)
@@ -69,7 +69,7 @@ static struct mem_block *exec_heap = NULL;
 static unsigned char *exec_mem = NULL;
 
 
-static void
+static int
 init_heap(void)
 {
    if (!exec_heap)
@@ -79,6 +79,8 @@ init_heap(void)
       exec_mem = (unsigned char *) mmap(0, EXEC_HEAP_SIZE, 
                                        PROT_EXEC | PROT_READ | PROT_WRITE, 
                                        MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+
+   return (exec_mem != MAP_FAILED);
 }
 
 
@@ -90,7 +92,8 @@ rtasm_exec_malloc(size_t size)
 
    pipe_mutex_lock(exec_mutex);
 
-   init_heap();
+   if (!init_heap())
+      goto bail;
 
    if (exec_heap) {
       size = (size + 31) & ~31;  /* next multiple of 32 bytes */
@@ -101,7 +104,8 @@ rtasm_exec_malloc(size_t size)
       addr = exec_mem + block->ofs;
    else 
       debug_printf("rtasm_exec_malloc failed\n");
-   
+
+bail:
    pipe_mutex_unlock(exec_mutex);
    
    return addr;