typedef struct gc_thread_ {
#ifdef THREADED_RTS
OSThreadId id; // The OS thread that this struct belongs to
- Mutex wake_mutex;
- Condition wake_cond; // So we can go to sleep between GCs
- rtsBool wakeup;
- rtsBool exit;
+ SpinLock gc_spin;
+ SpinLock mut_spin;
+ volatile rtsBool wakeup;
#endif
nat thread_index; // a zero based index identifying the thread
#define GLOBAL_REG_DECL(type,name,reg) register type name REG(reg);
-#if defined(REG_Base)
+#if defined(REG_Base) && !defined(i386_HOST_ARCH)
+// on i386, REG_Base is %ebx which is also used for PIC, so we don't
+// want to steal it
GLOBAL_REG_DECL(gc_thread*, gct, REG_Base)
#define DECLARE_GCT /* nothing */