[PATCH 2/7] dmsynth: Get rid of instrument reference counting.

[Anton Baskanov]

From: Anton Baskanov

---
 dlls/dmsynth/synth.c | 48 +++++++++++++++++---------------------------
 1 file changed, 18 insertions(+), 30 deletions(-)

diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c
index ada20431d57..e23fff4bdb1 100644
--- a/dlls/dmsynth/synth.c
+++ b/dlls/dmsynth/synth.c
@@ -277,7 +277,6 @@ static void region_destroy(struct region *region)
 struct instrument
 {
     struct list entry;
-    LONG ref;
     UINT id;

UINT patch;
@@ -288,35 +287,25 @@ struct instrument
     struct synth *synth;
 };

-static void instrument_addref(struct instrument *instrument)
-{
-    InterlockedIncrement(&instrument->ref);
-}
-
-static void instrument_release(struct instrument *instrument)
+static void instrument_destroy(struct instrument *instrument)
 {
-    ULONG ref = InterlockedDecrement(&instrument->ref);
+    struct articulation *articulation;
+    struct region *region;
+    void *next;

-    if (!ref)
+    LIST_FOR_EACH_ENTRY_SAFE(region, next, &instrument->regions, struct region, entry)
     {
-        struct articulation *articulation;
-        struct region *region;
-        void *next;
-
-        LIST_FOR_EACH_ENTRY_SAFE(region, next, &instrument->regions, struct region, entry)
-        {
-            list_remove(&region->entry);
-            region_destroy(region);
-        }
-
-        LIST_FOR_EACH_ENTRY_SAFE(articulation, next, &instrument->articulations, struct articulation, entry)
-        {
-            list_remove(&articulation->entry);
-            free(articulation);
-        }
+        list_remove(&region->entry);
+        region_destroy(region);
+    }

-        free(instrument);
+    LIST_FOR_EACH_ENTRY_SAFE(articulation, next, &instrument->articulations, struct articulation, entry)
+    {
+        list_remove(&articulation->entry);
+        free(articulation);
     }
+
+    free(instrument);
 }

struct preset
@@ -429,7 +418,7 @@ static ULONG WINAPI synth_Release(IDirectMusicSynth8 *iface)
         LIST_FOR_EACH_ENTRY_SAFE(instrument, next, &This->instruments, struct instrument, entry)
         {
             list_remove(&instrument->entry);
-            instrument_release(instrument);
+            instrument_destroy(instrument);
         }

LIST_FOR_EACH_ENTRY_SAFE(wave, next, &This->waves, struct wave, entry)
@@ -741,7 +730,6 @@ static HRESULT synth_download_instrument(struct synth *This, DMUS_DOWNLOADINFO *
     if (instrument_info->ulFirstExtCkIdx) FIXME("Instrument extensions not implemented\n");

if (!(instrument = calloc(1, sizeof(*instrument)))) return E_OUTOFMEMORY;
-    instrument->ref = 1;
     instrument->id = info->dwDLId;
     instrument->patch = instrument_info->ulPatch;
     instrument->flags = instrument_info->ulFlags;
@@ -768,7 +756,7 @@ static HRESULT synth_download_instrument(struct synth *This, DMUS_DOWNLOADINFO *
         if (!(region->wave = synth_find_wave_from_id(This, region->wave_link.ulTableIndex)))
         {
             free(region);
-            instrument_release(instrument);
+            instrument_destroy(instrument);
             return DMUS_E_BADWAVELINK;
         }

@@ -791,7 +779,7 @@ static HRESULT synth_download_instrument(struct synth *This, DMUS_DOWNLOADINFO *
     return S_OK;

error:
-    instrument_release(instrument);
+    instrument_destroy(instrument);
     return E_OUTOFMEMORY;
 }

@@ -935,7 +923,7 @@ static HRESULT WINAPI synth_Unload(IDirectMusicSynth8 *iface, HANDLE handle,
             list_remove(&instrument->entry);
             LeaveCriticalSection(&This->cs);

-            instrument_release(instrument);
+            instrument_destroy(instrument);
             return S_OK;
         }
     }