improved system time function determination

It doesn't need to LoadLibrary and all that stuff every time, but
once on the first access. Also the functions which are not directly
used inlined now.

diff --git a/win32/time.c b/win32/time.c
index 75539748e88c46c9b989ea56859b8104fc743687..9b5030a0f290e54ee3930af7421445147f0a56d9 100644 (file)
--- a/win32/time.c
+++ b/win32/time.c
@@ -27,7 +27,9 @@
 
 typedef VOID (WINAPI *MyGetSystemTimeAsFileTime)(LPFILETIME lpSystemTimeAsFileTime);
 
-static MyGetSystemTimeAsFileTime get_time_func(void)
+static MyGetSystemTimeAsFileTime timefunc = NULL;
+
+static zend_always_inline MyGetSystemTimeAsFileTime get_time_func(void)
 {
        MyGetSystemTimeAsFileTime timefunc = NULL;
        HMODULE hMod = LoadLibrary("kernel32.dll");
@@ -45,19 +47,16 @@ static MyGetSystemTimeAsFileTime get_time_func(void)
        return timefunc;
 }
 
-int getfilesystemtime(struct timeval *tv)
+static zend_always_inline int getfilesystemtime(struct timeval *tv)
 {
        FILETIME ft;
        unsigned __int64 ff = 0;
-       MyGetSystemTimeAsFileTime timefunc;
        ULARGE_INTEGER fft;
 
-       timefunc = get_time_func();
-       if (timefunc) {
-               timefunc(&ft);
-       } else {
-               GetSystemTimeAsFileTime(&ft);
+       if (!timefunc) {
+               timefunc = get_time_func();
        }
+       timefunc(&ft);
 
         /*
         * Do not cast a pointer to a FILETIME structure to either a