Merge pull request phacility#35 from cmb69/cmb/win32

Add basic Windows support

Author: longxinH

extension/config.w32

@@ -0,0 +1,6 @@
+ARG_ENABLE("xhprof", "xhprof support", "no");
+
+if (PHP_XHPROF == "yes") {
+	EXTENSION("xhprof", "xhprof.c", null, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
+    AC_DEFINE("HAVE_PCRE", 1, "have pcre headers");
+}

extension/xhprof.c

@@ -24,10 +24,16 @@
 #include "ext/standard/info.h"
 #include "php_xhprof.h"
 #include "zend_extensions.h"
-#include <sys/time.h>
-#include <sys/resource.h>
+#ifndef ZEND_WIN32
+# include <sys/time.h>
+# include <sys/resource.h>
+# include <unistd.h>
+#else
+# include "win32/time.h"
+# include "win32/getrusage.h"
+# include "win32/unistd.h"
+#endif
 #include <stdlib.h>
-#include <unistd.h>
 
 #if HAVE_PCRE
 #include "ext/pcre/php_pcre.h"
@@ -38,6 +44,10 @@
 #include <mach/mach_time.h>
 #endif
 
+#ifdef ZEND_WIN32
+LARGE_INTEGER performance_frequency;
+#endif
+
 ZEND_DECLARE_MODULE_GLOBALS(xhprof)
 
 /**
@@ -268,6 +278,10 @@ PHP_MINIT_FUNCTION(xhprof)
     /* To make it random number generator repeatable to ease testing. */
     srand(0);
 #endif
+
+#ifdef ZEND_WIN32
+    QueryPerformanceFrequency(&performance_frequency); 
+#endif
     return SUCCESS;
 }
 
@@ -853,6 +867,12 @@ static inline uint64 cycle_timer()
 {
 #if defined(__APPLE__) && defined(__MACH__)
     return mach_absolute_time() / XHPROF_G(timebase_conversion);
+#elif defined(ZEND_WIN32)
+    LARGE_INTEGER lt = {0};
+    QueryPerformanceCounter(&lt);
+    lt.QuadPart *= 1000000;
+    lt.QuadPart /= performance_frequency.QuadPart;
+    return lt.QuadPart;
 #else
     struct timespec s;
     clock_gettime(CLOCK_MONOTONIC, &s);