Integrate the PerlCE (WinCE Perl) port;

kindly supplied by Rainer Keuchel <rkeuc@allgeier.com>.

p4raw-id: //depot/perl@11549

1 files changed, 121 insertions, 0 deletions

diff --git a/wince/win32thread.c b/wince/win32thread.c
new file mode 100644
index 0000000000..39354474e7
--- /dev/null
+++ b/wince/win32thread.c
@@ -0,0 +1,121 @@
+// Time-stamp: <01/08/01 21:00:29 keuchel@w2k>
+
+#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) void *PL_current_context = NULL;
+#endif
+
+void
+Perl_set_context(void *t)
+{
+#if defined(USE_THREADS) || defined(USE_ITHREADS)
+#  ifdef USE_DECLSPEC_THREAD
+    Perl_current_context = t;
+#  else
+    DWORD err = GetLastError();
+    TlsSetValue(PL_thr_key,t);
+    SetLastError(err);
+#  endif
+#endif
+}
+
+void *
+Perl_get_context(void)
+{
+#if defined(USE_THREADS) || 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_THREADS
+void
+Perl_init_thread_intern(struct perl_thread *athr)
+{
+#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)
+{
+    /* 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);
+}
+
+int
+Perl_thread_create(struct perl_thread *thr, thread_func_t *fn)
+{
+    DWORD junk;
+    unsigned long th;
+
+    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);
+#endif	/* !USE_RTL_THREAD_API */
+    DEBUG_S(PerlIO_printf(Perl_debug_log,
+			  "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk));
+    return thr->self ? 0 : -1;
+}
+#endif
+