--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perl-5.22.2/win32/win32thread.h	Sat May 14 14:54:38 2016 +0000
@@ -0,0 +1,192 @@
+#ifndef _WIN32THREAD_H
+#define _WIN32THREAD_H
+
+#include "win32.h"
+
+typedef struct win32_cond { LONG waiters; HANDLE sem; } perl_cond;
+typedef DWORD perl_key;
+typedef HANDLE perl_os_thread;
+
+#ifndef DONT_USE_CRITICAL_SECTION
+
+/* Critical Sections used instead of mutexes: lightweight,
+ * but can't be communicated to child processes, and can't get
+ * HANDLE to it for use elsewhere.
+ */
+typedef CRITICAL_SECTION perl_mutex;
+#define MUTEX_INIT(m) InitializeCriticalSection(m)
+#define MUTEX_LOCK(m) EnterCriticalSection(m)
+#define MUTEX_UNLOCK(m) LeaveCriticalSection(m)
+#define MUTEX_DESTROY(m) DeleteCriticalSection(m)
+
+#else
+
+typedef HANDLE perl_mutex;
+#  define MUTEX_INIT(m) \
+    STMT_START {						\
+	if ((*(m) = CreateMutex(NULL,FALSE,NULL)) == NULL)	\
+	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
+    } STMT_END
+
+#  define MUTEX_LOCK(m) \
+    STMT_START {						\
+	if (WaitForSingleObject(*(m),INFINITE) == WAIT_FAILED)	\
+	    Perl_croak_nocontext("panic: MUTEX_LOCK");		\
+    } STMT_END
+
+#  define MUTEX_UNLOCK(m) \
+    STMT_START {						\
+	if (ReleaseMutex(*(m)) == 0)				\
+	    Perl_croak_nocontext("panic: MUTEX_UNLOCK");	\
+    } STMT_END
+
+#  define MUTEX_DESTROY(m) \
+    STMT_START {						\
+	if (CloseHandle(*(m)) == 0)				\
+	    Perl_croak_nocontext("panic: MUTEX_DESTROY");	\
+    } STMT_END
+
+#endif
+
+/* These macros assume that the mutex associated with the condition
+ * will always be held before COND_{SIGNAL,BROADCAST,WAIT,DESTROY},
+ * so there's no separate mutex protecting access to (c)->waiters
+ */
+#define COND_INIT(c) \
+    STMT_START {						\
+	(c)->waiters = 0;					\
+	(c)->sem = Win_CreateSemaphore(NULL,0,LONG_MAX,NULL);	\
+	if ((c)->sem == NULL)					\
+	    Perl_croak_nocontext("panic: COND_INIT (%ld)",GetLastError());	\
+    } STMT_END
+
+#define COND_SIGNAL(c) \
+    STMT_START {						\
+	if ((c)->waiters > 0 &&					\
+	    ReleaseSemaphore((c)->sem,1,NULL) == 0)		\
+	    Perl_croak_nocontext("panic: COND_SIGNAL (%ld)",GetLastError());	\
+    } STMT_END
+
+#define COND_BROADCAST(c) \
+    STMT_START {						\
+	if ((c)->waiters > 0 &&					\
+	    ReleaseSemaphore((c)->sem,(c)->waiters,NULL) == 0)	\
+	    Perl_croak_nocontext("panic: COND_BROADCAST (%ld)",GetLastError());\
+    } STMT_END
+
+#define COND_WAIT(c, m) \
+    STMT_START {						\
+	(c)->waiters++;						\
+	MUTEX_UNLOCK(m);					\
+	/* Note that there's no race here, since a		\
+	 * COND_BROADCAST() on another thread will have seen the\
+	 * right number of waiters (i.e. including this one) */	\
+	if (WaitForSingleObject((c)->sem,INFINITE)==WAIT_FAILED)\
+	    Perl_croak_nocontext("panic: COND_WAIT (%ld)",GetLastError());	\
+	/* XXX there may be an inconsequential race here */	\
+	MUTEX_LOCK(m);						\
+	(c)->waiters--;						\
+    } STMT_END
+
+#define COND_DESTROY(c) \
+    STMT_START {						\
+	(c)->waiters = 0;					\
+	if (CloseHandle((c)->sem) == 0)				\
+	    Perl_croak_nocontext("panic: COND_DESTROY (%ld)",GetLastError());	\
+    } STMT_END
+
+#define DETACH(t) \
+    STMT_START {						\
+	if (CloseHandle((t)->self) == 0) {			\
+	    MUTEX_UNLOCK(&(t)->mutex);				\
+	    Perl_croak_nocontext("panic: DETACH");		\
+	}							\
+    } STMT_END
+
+
+#define THREAD_CREATE(t, f)	Perl_thread_create(t, f)
+#define THREAD_POST_CREATE(t)	NOOP
+
+/* XXX Docs mention that the RTL versions of thread creation routines
+ * should be used, but that advice only seems applicable when the RTL
+ * is not in a DLL.  RTL DLLs seem to do all of the init/deinit required
+ * upon DLL_THREAD_ATTACH/DETACH.  So we seem to be completely safe using
+ * straight Win32 API calls, rather than the much braindamaged RTL calls.
+ *
+ * _beginthread() in the RTLs call CloseHandle() just after the thread
+ * function returns, which means: 1) we have a race on our hands
+ * 2) it is impossible to implement join() semantics.
+ *
+ * IOW, do *NOT* turn on USE_RTL_THREAD_API!  It is here
+ * for experimental purposes only. GSAR 98-01-02
+ */
+#ifdef USE_RTL_THREAD_API
+#  include <process.h>
+#  if defined (_MSC_VER)
+#    define THREAD_RET_TYPE	unsigned __stdcall
+#    define THREAD_RET_CAST(p)	((unsigned)(p))
+#  else
+     /* CRTDLL.DLL doesn't allow a return value from thread function! */
+#    define THREAD_RET_TYPE	void __cdecl
+#    define THREAD_RET_CAST(p)	((void)(thr->i.retv = (void *)(p)))
+#  endif
+#else	/* !USE_RTL_THREAD_API */
+#  define THREAD_RET_TYPE	DWORD WINAPI
+#  define THREAD_RET_CAST(p)	((DWORD)(p))
+#endif	/* !USE_RTL_THREAD_API */
+
+typedef THREAD_RET_TYPE thread_func_t(void *);
+
+
+START_EXTERN_C
+
+#if defined(PERLDLL) && defined(USE_DECLSPEC_THREAD)
+extern __declspec(thread) void *PL_current_context;
+#define PERL_SET_CONTEXT(t)   		(PL_current_context = t)
+#define PERL_GET_CONTEXT		PL_current_context
+#else
+#define PERL_GET_CONTEXT		Perl_get_context()
+#define PERL_SET_CONTEXT(t)		Perl_set_context(t)
+#endif
+
+END_EXTERN_C
+
+#define INIT_THREADS		NOOP
+#define ALLOC_THREAD_KEY \
+    STMT_START {							\
+	if ((PL_thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES) {		\
+	    PerlIO_printf(PerlIO_stderr(),"panic: TlsAlloc");				\
+	    exit(1);							\
+	}								\
+    } STMT_END
+
+#define FREE_THREAD_KEY \
+    STMT_START {							\
+	TlsFree(PL_thr_key);						\
+    } STMT_END
+
+#define PTHREAD_ATFORK(prepare,parent,child)	NOOP
+
+#if defined(USE_RTL_THREAD_API) && !defined(_MSC_VER)
+#define JOIN(t, avp)							\
+    STMT_START {							\
+	if ((WaitForSingleObject((t)->self,INFINITE) == WAIT_FAILED)	\
+	     || (GetExitCodeThread((t)->self,(LPDWORD)(avp)) == 0)	\
+	     || (CloseHandle((t)->self) == 0))				\
+	    Perl_croak_nocontext("panic: JOIN");			\
+	*avp = (AV *)((t)->i.retv);					\
+    } STMT_END
+#else	/* !USE_RTL_THREAD_API || _MSC_VER */
+#define JOIN(t, avp)							\
+    STMT_START {							\
+	if ((WaitForSingleObject((t)->self,INFINITE) == WAIT_FAILED)	\
+	     || (GetExitCodeThread((t)->self,(LPDWORD)(avp)) == 0)	\
+	     || (CloseHandle((t)->self) == 0))				\
+	    Perl_croak_nocontext("panic: JOIN");			\
+    } STMT_END
+#endif	/* !USE_RTL_THREAD_API || _MSC_VER */
+
+#define YIELD			Sleep(0)
+
+#endif /* _WIN32THREAD_H */
+