Replace usleep() with nanosleep().

[tinc] / src / dropin.c

diff --git a/src/dropin.c b/src/dropin.c
index f1a51ac..a229755 100644 (file)
--- a/src/dropin.c
+++ b/src/dropin.c
@@ -1,7 +1,7 @@
 /*
     dropin.c -- a set of drop-in replacements for libc functions
     Copyright (C) 2000-2005 Ivo Timmermans,
-                  2000-2011 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2016 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -158,16 +158,25 @@ int vasprintf(char **buf, const char *fmt, va_list ap) {
 
 #ifndef HAVE_GETTIMEOFDAY
 int gettimeofday(struct timeval *tv, void *tz) {
+#ifdef HAVE_MINGW
+       FILETIME ft;
+       GetSystemTimeAsFileTime(&ft);
+       uint64_t lt = (uint64_t)ft.dwLowDateTime | ((uint64_t)ft.dwHighDateTime << 32);
+       lt -= 116444736000000000ULL;
+       tv->tv_sec = lt / 10000000;
+       tv->tv_usec = (lt / 10) % 1000000;
+#else
+#warning No high resolution time source!
        tv->tv_sec = time(NULL);
        tv->tv_usec = 0;
+#endif
        return 0;
 }
 #endif
 
-#ifndef HAVE_USLEEP
-int usleep(long long usec) {
-       struct timeval tv = {usec / 1000000, (usec / 1000) % 1000};
-       select(0, NULL, NULL, NULL, &tv);
-       return 0;
+#ifndef HAVE_NANOSLEEP
+int nanosleep(const struct timespec *req, struct timespec *rem) {
+       struct timeval tv = {req->tv_sec, req->tv_nsec / 1000};
+       return select(0, NULL, NULL, NULL, &tv);
 }
 #endif