Mesa (master): mesa: minor fix-ups for _mesa_validate_sync()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 755602df12cab123b8927e8d71b199b73e48b71b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=755602df12cab123b8927e8d71b199b73e48b71b

Author: Brian Paul <brianp at vmware.com>
Date:   Sat Sep 14 10:04:51 2013 -0600

mesa: minor fix-ups for _mesa_validate_sync()

Return bool instead of int.  Const-qualify the syncObj.  Add some comments.

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/mesa/main/syncobj.c |   12 ++++++++++--
 src/mesa/main/syncobj.h |    5 +++--
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/mesa/main/syncobj.c b/src/mesa/main/syncobj.c
index 987d4f5..27867a1 100644
--- a/src/mesa/main/syncobj.c
+++ b/src/mesa/main/syncobj.c
@@ -161,8 +161,16 @@ _mesa_free_sync_data(struct gl_context *ctx)
 }
 
 
-int
-_mesa_validate_sync(struct gl_context *ctx, struct gl_sync_object *syncObj)
+/**
+ * Check if the given sync object is:
+ *  - non-null
+ *  - not in sync objects hash table
+ *  - type is GL_SYNC_FENCE
+ *  - not marked as deleted
+ */
+bool
+_mesa_validate_sync(struct gl_context *ctx,
+                    const struct gl_sync_object *syncObj)
 {
    return (syncObj != NULL)
       && _mesa_set_search(ctx->Shared->SyncObjects,
diff --git a/src/mesa/main/syncobj.h b/src/mesa/main/syncobj.h
index 025a9b1..5d510e8 100644
--- a/src/mesa/main/syncobj.h
+++ b/src/mesa/main/syncobj.h
@@ -53,8 +53,9 @@ _mesa_ref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj);
 extern void
 _mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj);
 
-extern int
-_mesa_validate_sync(struct gl_context *ctx, struct gl_sync_object *syncObj);
+extern bool
+_mesa_validate_sync(struct gl_context *ctx,
+                    const struct gl_sync_object *syncObj);
 
 extern GLboolean GLAPIENTRY
 _mesa_IsSync(GLsync sync);