WIN64 (Itanium) port of Perl 5.6.1

[p5sagit/p5-mst-13.2.git] / win32 / win32thread.c

diff --git a/win32/win32thread.c b/win32/win32thread.c
index 3e63327..1fdd0ef 100644 (file)
--- a/win32/win32thread.c
+++ b/win32/win32thread.c
@@ -1,37 +1,61 @@
 #include "EXTERN.h"
 #include "perl.h"
 
-__declspec(thread) struct thread *Perl_current_thread = NULL;
+#ifdef USE_DECLSPEC_THREAD
+__declspec(thread) void *PL_current_context = NULL;
+#endif
 
 void
-Perl_setTHR(struct thread *t)
+Perl_set_context(void *t)
 {
- Perl_current_thread = t;
+#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
+#  ifdef USE_DECLSPEC_THREAD
+    Perl_current_context = t;
+#  else
+    DWORD err = GetLastError();
+    TlsSetValue(PL_thr_key,t);
+    SetLastError(err);
+#  endif
+#endif
 }
 
-struct thread *
-Perl_getTHR(void)
+void *
+Perl_get_context(void)
 {
- return Perl_current_thread;
+#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
+#  ifdef USE_DECLSPEC_THREAD
+    return Perl_current_context;
+#  else
+    DWORD err = GetLastError();
+    void *result = TlsGetValue(PL_thr_key);
+    SetLastError(err);
+    return result;
+#  endif
+#else
+    return NULL;
+#endif
 }
 
+#ifdef USE_5005THREADS
 void
-Perl_alloc_thread_key(void)
+Perl_init_thread_intern(struct perl_thread *athr)
 {
-#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;
-    }
+#ifndef USE_DECLSPEC_THREAD
+
+ /* 
+  * Initialize port-specific per-thread data in thr->i
+  * as only things we have there are just static areas for
+  * return values we don't _need_ to do anything but 
+  * this is good practice:
+  */
+ memset(&athr->i,0,sizeof(athr->i));
+
 #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.
      */
@@ -42,22 +66,48 @@ Perl_set_thread_self(struct perl_thread *thr)
                    0,
                    FALSE,
                    DUPLICATE_SAME_ACCESS);
-#endif
 }
 
-#ifdef USE_THREADS
 int
 Perl_thread_create(struct perl_thread *thr, thread_func_t *fn)
 {
     DWORD junk;
+    unsigned long th;
 
-    MUTEX_LOCK(&thr->mutex);
-    DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+    DEBUG_S(PerlIO_printf(Perl_debug_log,
                          "%p: create OS thread\n", thr));
+#ifdef USE_RTL_THREAD_API
+    /* See comment about USE_RTL_THREAD_API in win32thread.h */
+#if defined(__BORLANDC__)
+    th = _beginthreadNT(fn,                            /* start address */
+                       0,                              /* stack size */
+                       (void *)thr,                    /* parameters */
+                       (void *)NULL,                   /* security attrib */
+                       0,                              /* creation flags */
+                       (unsigned long *)&junk);        /* tid */
+    if (th == (unsigned long)-1)
+       th = 0;
+#elif defined(_MSC_VER_)
+    th = _beginthreadex((void *)NULL,                  /* security attrib */
+                       0,                              /* stack size */
+                       fn,                             /* start address */
+                       (void*)thr,                     /* parameters */
+                       0,                              /* creation flags */
+                       (unsigned *)&junk);             /* tid */
+#else /* compilers using CRTDLL.DLL only have _beginthread() */
+    th = _beginthread(fn,                              /* start address */
+                     0,                                /* stack size */
+                     (void*)thr);                      /* parameters */
+    if (th == (unsigned long)-1)
+       th = 0;
+#endif
+    thr->self = (HANDLE)th;
+#else  /* !USE_RTL_THREAD_API */
     thr->self = CreateThread(NULL, 0, fn, (void*)thr, 0, &junk);
-    DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+#endif /* !USE_RTL_THREAD_API */
+    DEBUG_S(PerlIO_printf(Perl_debug_log,
                          "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk));
-    MUTEX_UNLOCK(&thr->mutex);
     return thr->self ? 0 : -1;
 }
 #endif
+