1 files changed, 52 insertions, 0 deletions
diff --git a/tools/select.c b/tools/select.c
new file mode 100644
index 0000000..77229c8
--- /dev/null
+++ b/tools/select.c
@@ -0,0 +1,52 @@
+#include "tools/select.h"
+
+#include <vdr/tools.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+#include <errno.h>
+
+cTBSelect::cTBSelect(void) {
+	Clear();
+}
+
+cTBSelect::~cTBSelect() {
+}
+
+int cTBSelect::Select(uint TimeoutMs) {
+	struct timeval tv;
+	time_t st, et;
+	ssize_t res;
+	int ms;
+
+	tv.tv_usec = (TimeoutMs % 1000) * 1000;
+	tv.tv_sec = TimeoutMs / 1000;
+
+	if (TimeoutMs == 0)
+		return ::select(m_MaxFiled + 1, &m_Rfds, &m_Wfds, NULL, &tv);
+
+	st = time_ms();
+	ms = TimeoutMs;
+	while (ms > 0 && (res = ::select(m_MaxFiled + 1, &m_Rfds, &m_Wfds, NULL, 
+			&tv)) == -1 && errno == EINTR) {
+		et = time_ms();
+		ms -= et - st;
+		tv.tv_usec = (ms % 1000) * 1000;
+		tv.tv_sec = ms / 1000;
+		st = et;
+	}
+	if (ms <= 0) {
+		errno = ETIMEDOUT;
+		return -1;
+	}
+	return res;
+}
+
+int cTBSelect::Select(void) {
+	ssize_t res;
+	while ((res = ::select(m_MaxFiled + 1, &m_Rfds, &m_Wfds, NULL, NULL)) == -1
+			&& errno == EINTR)
+		;
+	return res;
+}