X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=serialport.c;h=c233b28564c799b66cd3e903cd92dd45a9ea6ded;hb=d9cc984fe7acc487d39366a98f1d3759f6129361;hp=07a0aaa54b915fac58053e83c7541c55de925c89;hpb=573feabc63340ef853108762682dce8aa4644cb5;p=libserialport.git

diff --git a/serialport.c b/serialport.c
index 07a0aaa..c233b28 100644
--- a/serialport.c
+++ b/serialport.c
@@ -49,18 +49,33 @@ static const struct std_baudrate std_baudrates[] = {
 
 void (*sp_debug_handler)(const char *format, ...) = sp_default_debug_handler;
 
-static void get_time(struct timeval *time);
-
 static enum sp_return get_config(struct sp_port *port, struct port_data *data,
 	struct sp_port_config *config);
 
 static enum sp_return set_config(struct sp_port *port, struct port_data *data,
 	const struct sp_port_config *config);
 
+#ifndef _WIN32
 static void get_time(struct timeval *time)
 {
+#ifdef HAVE_CLOCK_GETTIME
+	struct timespec ts;
+	if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
+		clock_gettime(CLOCK_REALTIME, &ts);
+	time->tv_sec = ts.tv_sec;
+	time->tv_usec = ts.tv_nsec / 1000;
+#elif defined(__APPLE__)
+	mach_timebase_info_data_t info;
+	mach_timebase_info(&info);
+	uint64_t ticks = mach_absolute_time();
+	uint64_t ns = (ticks * info.numer) / info.denom;
+	time->tv_sec = ns / 1000000000;
+	time->tv_usec = (ns % 1000000000) / 1000;
+#else
 	gettimeofday(time, NULL);
+#endif
 }
+#endif
 
 SP_API enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr)
 {
@@ -548,7 +563,7 @@ SP_API enum sp_return sp_open(struct sp_port *port, enum sp_mode flags)
 		RETURN_CODEVAL(ret);
 	}
 #else
-	int flags_local = O_NONBLOCK | O_NOCTTY;
+	int flags_local = O_NONBLOCK | O_NOCTTY | O_CLOEXEC;
 
 	/* Map 'flags' to the OS-specific settings. */
 	if ((flags & SP_MODE_READ_WRITE) == SP_MODE_READ_WRITE)
@@ -727,7 +742,9 @@ SP_API enum sp_return sp_drain(struct sp_port *port)
 #else
 	int result;
 	while (1) {
-#ifdef __ANDROID__
+#if defined(__ANDROID__) && (__ANDROID_API__ < 21)
+		/* Android only has tcdrain from platform 21 onwards.
+		 * On previous API versions, use the ioctl directly. */
 		int arg = 1;
 		result = ioctl(port->fd, TCSBRK, &arg);
 #else