pkgsrc/graphics/xine-lib/patches/patch-al
mycroft 2bb6ccedd2 Adjust the CRITICAL_SECTION locking protocol slightly -- only increase
cs->locked *after* acquiring the lock, so that we can count recursive locks
and unlock at the right time.  Doesn't seem to affect any codecs I've tested,
but you never know...
2003-10-03 17:49:27 +00:00

42 lines
1.2 KiB
Text

$NetBSD: patch-al,v 1.2 2003/10/03 17:49:27 mycroft Exp $
--- src/libw32dll/wine/win32.c.orig 2003-10-02 12:25:52.000000000 +0000
+++ src/libw32dll/wine/win32.c 2003-10-02 12:21:50.000000000 +0000
@@ -440,9 +440,8 @@
alccnt--;
- if (last_alloc)
- pthread_mutex_unlock(&memmut);
- else
+ pthread_mutex_unlock(&memmut);
+ if (!last_alloc)
pthread_mutex_destroy(&memmut);
//if (alccnt < 40000) printf("MY_RELEASE: %p\t%ld (%d)\n", header, header->size, alccnt);
@@ -1350,10 +1349,12 @@
printf("wine/win32: Win32 Warning: Accessed uninitialized Critical Section (%p)!\n", c);
}
if(cs->locked)
- if(cs->id==pthread_self())
+ if(cs->id==pthread_self()) {
+ cs->locked++;
return;
+ }
pthread_mutex_lock(&(cs->mutex));
- cs->locked=1;
+ cs->locked++; /* should always be 1 */
cs->id=pthread_self();
return;
}
@@ -1371,8 +1372,8 @@
printf("Win32 Warning: Leaving uninitialized Critical Section %p!!\n", c);
return;
}
- cs->locked=0;
- pthread_mutex_unlock(&(cs->mutex));
+ if (!--cs->locked)
+ pthread_mutex_unlock(&(cs->mutex));
return;
}
static void WINAPI expDeleteCriticalSection(CRITICAL_SECTION *c)