[PATCH 4/9] Xext: add a private field to SyncSystemCounters

[Peter Hutterer]

Will be used to store counter-specific data.

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 Xext/sync.c    |    2 ++
 Xext/syncsrv.h |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/Xext/sync.c b/Xext/sync.c
index f07f6dd..a219809 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -1016,6 +1016,7 @@ SyncCreateSystemCounter(
 	psci->counterType = counterType;
 	psci->QueryValue = QueryValue;
 	psci->BracketValues = BracketValues;
+	psci->private = NULL;
 	XSyncMaxValue(&psci->bracket_greater);
 	XSyncMinValue(&psci->bracket_less);
 	SysCounterList[SyncNumSystemCounters++] = pCounter;
@@ -1175,6 +1176,7 @@ FreeCounter(void *env, XID id)
     {
 	int i, found = 0;
 
+	free(pCounter->pSysCounterInfo->private);
 	free(pCounter->pSysCounterInfo);
 
 	/* find the counter in the list of system counters and remove it */
diff --git a/Xext/syncsrv.h b/Xext/syncsrv.h
index d9ec88c..beb28b0 100644
--- a/Xext/syncsrv.h
+++ b/Xext/syncsrv.h
@@ -71,6 +71,8 @@ typedef void (*SyncSystemCounterBracketValues)(pointer counter,
 					       CARD64 *pbracket_less,
 					       CARD64 *pbracket_greater);
 
+#define SYSCOUNTERPRIV(counter) (((SyncCounter*)(counter))->pSysCounterInfo->private)
+
 typedef struct _SysCounterInfo {
     const char	*name;
     CARD64	resolution;
@@ -79,6 +81,7 @@ typedef struct _SysCounterInfo {
     SyncCounterType counterType;  /* how can this counter change */
     SyncSystemCounterQueryValue QueryValue;
     SyncSystemCounterBracketValues BracketValues;
+    void	*private;
 } SysCounterInfo;
 
 
-- 
1.7.7.6