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authorChris Robinson <[email protected]>2014-09-03 15:49:31 -0700
committerChris Robinson <[email protected]>2014-09-03 15:49:31 -0700
commit7f5497b86385cbf7d1164b80f8f420e0657a6d38 (patch)
treecf1c4c6768493f923c7006d7463b8232d2846735
parent5840f5e76f2b803589074de254f282a5844c77ee (diff)
Use proper atomics for the thunk array
-rw-r--r--OpenAL32/alThunk.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/OpenAL32/alThunk.c b/OpenAL32/alThunk.c
index 400b18e3..ed0aa83c 100644
--- a/OpenAL32/alThunk.c
+++ b/OpenAL32/alThunk.c
@@ -26,33 +26,33 @@
#include "alThunk.h"
-static ALenum *ThunkArray;
-static ALuint ThunkArraySize;
-static RWLock ThunkLock;
+static ATOMIC(ALenum) *ThunkArray;
+static ALuint ThunkArraySize;
+static RWLock ThunkLock;
void ThunkInit(void)
{
RWLockInit(&ThunkLock);
ThunkArraySize = 1;
- ThunkArray = calloc(1, ThunkArraySize * sizeof(*ThunkArray));
+ ThunkArray = al_calloc(16, ThunkArraySize * sizeof(*ThunkArray));
}
void ThunkExit(void)
{
- free(ThunkArray);
+ al_free(ThunkArray);
ThunkArray = NULL;
ThunkArraySize = 0;
}
ALenum NewThunkEntry(ALuint *index)
{
- ALenum *NewList;
+ void *NewList;
ALuint i;
ReadLock(&ThunkLock);
for(i = 0;i < ThunkArraySize;i++)
{
- if(ExchangeInt(&ThunkArray[i], AL_TRUE) == AL_FALSE)
+ if(ATOMIC_EXCHANGE(ALenum, &ThunkArray[i], AL_TRUE) == AL_FALSE)
{
ReadUnlock(&ThunkLock);
*index = i+1;
@@ -62,18 +62,19 @@ ALenum NewThunkEntry(ALuint *index)
ReadUnlock(&ThunkLock);
WriteLock(&ThunkLock);
- NewList = realloc(ThunkArray, ThunkArraySize*2 * sizeof(*ThunkArray));
+ NewList = al_calloc(16, ThunkArraySize*2 * sizeof(*ThunkArray));
if(!NewList)
{
WriteUnlock(&ThunkLock);
ERR("Realloc failed to increase to %u entries!\n", ThunkArraySize*2);
return AL_OUT_OF_MEMORY;
}
- memset(&NewList[ThunkArraySize], 0, ThunkArraySize*sizeof(*ThunkArray));
- ThunkArraySize *= 2;
+ memcpy(NewList, ThunkArray, ThunkArraySize*sizeof(*ThunkArray));
+ al_free(ThunkArray);
ThunkArray = NewList;
+ ThunkArraySize *= 2;
- ThunkArray[i] = AL_TRUE;
+ ATOMIC_STORE(&ThunkArray[i], AL_TRUE);
WriteUnlock(&ThunkLock);
*index = i+1;
@@ -84,6 +85,6 @@ void FreeThunkEntry(ALuint index)
{
ReadLock(&ThunkLock);
if(index > 0 && index <= ThunkArraySize)
- ExchangeInt(&ThunkArray[index-1], AL_FALSE);
+ ATOMIC_STORE(&ThunkArray[index-1], AL_FALSE);
ReadUnlock(&ThunkLock);
}