win32: Implement rtclock based on QueryPerformanceCounter

Also remove some unnecessary <time.h> headers.

src/pulse/def.h

@@ -25,7 +25,6 @@
 
 #include <inttypes.h>
 #include <sys/time.h>
-#include <time.h>
 
 #include <pulse/cdecl.h>
 #include <pulse/sample.h>

src/pulse/mainloop-api.h

@@ -24,7 +24,6 @@
 ***/
 
 #include <sys/time.h>
-#include <time.h>
 
 #include <pulse/cdecl.h>
 #include <pulse/sample.h>

src/pulse/rtclock.c

@@ -23,10 +23,10 @@
 #include <config.h>
 #endif
 
+#include <pulse/timeval.h>
 #include <pulsecore/core-rtclock.h>
 
 #include "rtclock.h"
-#include "timeval.h"
 
 pa_usec_t pa_rtclock_now(void) {
     struct timeval tv;

src/pulse/timeval.c

@@ -37,29 +37,22 @@
 #include "timeval.h"
 
 struct timeval *pa_gettimeofday(struct timeval *tv) {
-#ifdef HAVE_GETTIMEOFDAY
     pa_assert(tv);
 
-    pa_assert_se(gettimeofday(tv, NULL) == 0);
-    return tv;
-#elif defined(OS_IS_WIN32)
+#if defined(OS_IS_WIN32)
     /*
      * Copied from implementation by Steven Edwards (LGPL).
      * Found on wine mailing list.
      */
-
 #if defined(_MSC_VER) || defined(__BORLANDC__)
 #define EPOCHFILETIME (116444736000000000i64)
 #else
 #define EPOCHFILETIME (116444736000000000LL)
 #endif
-
     FILETIME ft;
     LARGE_INTEGER li;
     int64_t t;
 
-    pa_assert(tv);
-
     GetSystemTimeAsFileTime(&ft);
     li.LowPart  = ft.dwLowDateTime;
     li.HighPart = ft.dwHighDateTime;
@@ -68,11 +61,13 @@ struct timeval *pa_gettimeofday(struct timeval *tv) {
     t /= 10;                /* In microseconds */
     tv->tv_sec  = (time_t) (t / PA_USEC_PER_SEC);
     tv->tv_usec = (suseconds_t) (t % PA_USEC_PER_SEC);
-
-    return tv;
+#elif defined(HAVE_GETTIMEOFDAY)
+    pa_assert_se(gettimeofday(tv, NULL) == 0);
 #else
 #error "Platform lacks gettimeofday() or equivalent function."
 #endif
+
+    return tv;
 }
 
 pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) {

src/pulsecore/authkey.c

@@ -31,7 +31,6 @@
 #include <stdio.h>
 #include <inttypes.h>
 #include <stdlib.h>
-#include <time.h>
 #include <limits.h>
 #include <sys/stat.h>
 

src/pulsecore/core-rtclock.c

@@ -40,12 +40,20 @@
 #include <unistd.h>
 #endif
 
+#ifdef HAVE_WINDOWS_H
+#include <windows.h>
+#endif
+
 #include <pulse/timeval.h>
 #include <pulsecore/macro.h>
 #include <pulsecore/core-error.h>
 
 #include "core-rtclock.h"
 
+#ifdef OS_IS_WIN32
+static int64_t counter_freq = 0;
+#endif
+
 pa_usec_t pa_rtclock_age(const struct timeval *tv) {
     struct timeval now;
     pa_assert(tv);
@@ -88,6 +96,17 @@ struct timeval *pa_rtclock_get(struct timeval *tv) {
     tv->tv_usec = ts.tv_nsec / PA_NSEC_PER_USEC;
 
     return tv;
+#elif defined(OS_IS_WIN32)
+    if (counter_freq > 0) {
+        LARGE_INTEGER count;
+
+        pa_assert_se(QueryPerformanceCounter(&count));
+
+        tv->tv_sec = count.QuadPart / counter_freq;
+        tv->tv_usec = (count.QuadPart % counter_freq) * PA_USEC_PER_SEC / counter_freq;
+
+        return tv;
+    }
 #endif /* HAVE_CLOCK_GETTIME */
 
     return pa_gettimeofday(tv);
@@ -118,6 +137,11 @@ pa_bool_t pa_rtclock_hrtimer(void) {
     pa_assert_se(clock_getres(CLOCK_REALTIME, &ts) == 0);
     return ts.tv_sec == 0 && ts.tv_nsec <= (long) (PA_HRTIMER_THRESHOLD_USEC*PA_NSEC_PER_USEC);
 
+#elif defined(OS_IS_WIN32)
+
+    if (counter_freq > 0)
+        return counter_freq >= (int64_t) (PA_USEC_PER_SEC/PA_HRTIMER_THRESHOLD_USEC);
+
 #endif /* HAVE_CLOCK_GETTIME */
 
     return FALSE;
@@ -148,6 +172,12 @@ void pa_rtclock_hrtimer_enable(void) {
         }
     }
 
+#elif defined(OS_IS_WIN32)
+    LARGE_INTEGER freq;
+
+    pa_assert_se(QueryPerformanceFrequency(&freq));
+    counter_freq = freq.QuadPart;
+
 #endif
 }
 

src/pulsecore/core-util.c

@@ -34,11 +34,9 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <limits.h>
-#include <time.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <dirent.h>
 
 #ifdef HAVE_LANGINFO_H

src/pulsecore/memblockq.c

@@ -23,8 +23,6 @@
 #include <config.h>
 #endif
 
-#include <sys/time.h>
-#include <time.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

src/pulsecore/tagstruct.h

@@ -25,7 +25,6 @@
 #include <inttypes.h>
 #include <sys/types.h>
 #include <sys/time.h>
-#include <time.h>
 
 #include <pulse/sample.h>
 #include <pulse/channelmap.h>