GCC + Threads on Win32 - best gcc results yet
[p5sagit/p5-mst-13.2.git] / win32 / win32thread.c
index f93d5e3..d62dadd 100644 (file)
@@ -1,11 +1,50 @@
 #include "EXTERN.h"
 #include "perl.h"
 
+#ifdef USE_DECLSPEC_THREAD
+__declspec(thread) struct perl_thread *Perl_current_thread = NULL;
+#endif
+
+void
+Perl_setTHR(struct perl_thread *t)
+{
+#ifdef USE_DECLSPEC_THREAD
+ Perl_current_thread = t;
+#else
+ TlsSetValue(thr_key,t);
+#endif
+}
+
+struct perl_thread *
+Perl_getTHR(void)
+{
+#ifdef USE_DECLSPEC_THREAD
+ return Perl_current_thread;
+#else
+ return (struct perl_thread *) TlsGetValue(thr_key);
+#endif
+}
+
 void
-init_thread_intern(struct thread *thr)
+Perl_alloc_thread_key(void)
 {
 #ifdef USE_THREADS
     static int key_allocated = 0;
+    if (!key_allocated) {
+       if ((thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES)
+           croak("panic: TlsAlloc");
+       key_allocated = 1;
+    }
+#endif
+}
+
+void
+Perl_set_thread_self(struct perl_thread *thr)
+{
+#ifdef USE_THREADS
+    /* Set thr->self.  GetCurrentThread() retrurns a pseudo handle, need
+       this to convert it into a handle another thread can use.
+     */
     DuplicateHandle(GetCurrentProcess(),
                    GetCurrentThread(),
                    GetCurrentProcess(),
@@ -13,24 +52,21 @@ init_thread_intern(struct thread *thr)
                    0,
                    FALSE,
                    DUPLICATE_SAME_ACCESS);
-    if (!key_allocated) {
-       if ((thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES)
-           croak("panic: TlsAlloc");
-       key_allocated = 1;
-    }
-    if (TlsSetValue(thr_key, (LPVOID) thr) != TRUE)
-       croak("panic: TlsSetValue");
 #endif
 }
 
 #ifdef USE_THREADS
 int
-Perl_thread_create(struct thread *thr, thread_func_t *fn)
+Perl_thread_create(struct perl_thread *thr, thread_func_t *fn)
 {
     DWORD junk;
 
     MUTEX_LOCK(&thr->mutex);
+    DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+                         "%p: create OS thread\n", thr));
     thr->self = CreateThread(NULL, 0, fn, (void*)thr, 0, &junk);
+    DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+                         "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk));
     MUTEX_UNLOCK(&thr->mutex);
     return thr->self ? 0 : -1;
 }