perl5.005_03

1 files changed, 131 insertions, 0 deletions

diff --git a/gnu/usr.bin/perl/win32/win32thread.c b/gnu/usr.bin/perl/win32/win32thread.c
new file mode 100644
index 00000000000..b40c5aa251c
--- /dev/null
+++ b/gnu/usr.bin/perl/win32/win32thread.c
@@ -0,0 +1,131 @@
+#include "EXTERN.h"
+#include "perl.h"
+
+#if defined(PERL_OBJECT)
+#define NO_XSLOCKS
+extern CPerlObj* pPerl;
+#include "XSUB.h"
+#endif
+
+#ifdef USE_DECLSPEC_THREAD
+__declspec(thread) struct perl_thread *Perl_current_thread = NULL;
+#endif
+
+void
+Perl_setTHR(struct perl_thread *t)
+{
+#ifdef USE_THREADS
+#ifdef USE_DECLSPEC_THREAD
+ Perl_current_thread = t;
+#else
+ TlsSetValue(PL_thr_key,t);
+#endif
+#endif
+}
+
+struct perl_thread *
+Perl_getTHR(void)
+{
+#ifdef USE_THREADS
+#ifdef USE_DECLSPEC_THREAD
+ return Perl_current_thread;
+#else
+ return (struct perl_thread *) TlsGetValue(PL_thr_key);
+#endif
+#else
+ return NULL;
+#endif
+}
+
+void
+Perl_alloc_thread_key(void)
+{
+#ifdef USE_THREADS
+    static int key_allocated = 0;
+    if (!key_allocated) {
+	if ((PL_thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES)
+	    croak("panic: TlsAlloc");
+	key_allocated = 1;
+    }
+#endif
+}
+
+void
+Perl_init_thread_intern(struct perl_thread *athr)
+{
+#ifdef USE_THREADS
+#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
+#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(),
+		    &thr->self,
+		    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;
+
+    DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+			  "%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);
+#endif	/* !USE_RTL_THREAD_API */
+    DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+			  "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk));
+    return thr->self ? 0 : -1;
+}
+#endif
+