--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lphobos/internal/critical.d	Mon Aug 04 19:28:49 2008 +0200
@@ -0,0 +1,49 @@
+module internal.critical;
+extern(C):
+
+import std.c.linux.linux, std.c.stdlib:ccalloc=calloc, cmalloc=malloc, cfree=free;
+
+struct CritSec {
+  pthread_mutex_t* p;
+}
+
+const PTHREAD_MUTEX_RECURSIVE = 1, PTHREAD_MUTEX_ERRORCHECK=2;
+
+extern(C) int pthread_self();
+
+void _d_criticalenter(CritSec* cs) {
+  if (!cs.p) {
+    auto newp = cast(pthread_mutex_t*) cmalloc(pthread_mutex_t.sizeof);
+    auto cspp = &cs.p;
+    pthread_mutexattr_t mt; pthread_mutexattr_init(&mt);
+    pthread_mutexattr_settype(&mt, PTHREAD_MUTEX_RECURSIVE);
+    printf("Create -> %i\n", pthread_mutex_init(newp, &mt));
+    asm { xor EAX, EAX; mov ECX, newp; mov EDX, cspp; lock; cmpxchg int ptr [EDX], ECX; }
+    if (cs.p != newp) pthread_mutex_destroy(newp);
+  }
+  auto count = (cast(uint*) cs.p)[1];
+  // printf("%i ::%u\n", pthread_self(), count);
+  //printf("%i: Lock %p -> %i\n", pthread_self(), cs.p,
+    pthread_mutex_lock(cs.p);//);
+}
+
+void _d_criticalexit(CritSec* cs) {
+  //printf("%i: Unlock %p -> %i\n", pthread_self(), cs.p,
+    pthread_mutex_unlock(cs.p);//);
+}
+
+void _d_monitorenter(Object h)
+{
+    _d_criticalenter(cast(CritSec*) &h.__monitor);
+}
+
+void _d_monitorexit(Object h)
+{
+    _d_criticalexit(cast(CritSec*) &h.__monitor);
+}
+
+void _STI_monitor_staticctor() { }
+void _STI_critical_init() { }
+void _STI_critical_term() { }
+void _STD_monitor_staticdtor() { }
+void _STD_critical_term() { }