feat times: added initial functions

Signed-off-by: John Sanpe <[email protected]>

CMakeLists.txt

@@ -19,6 +19,7 @@ set(SRCS
     ${PROJECT_SOURCE_DIR}/src/connection/connection.c
     ${PROJECT_SOURCE_DIR}/src/core/xdbd_buf.c
     ${PROJECT_SOURCE_DIR}/src/core/xdbd_pool.c
+    ${PROJECT_SOURCE_DIR}/src/core/xdbd_times.c
     ${PROJECT_SOURCE_DIR}/src/event/select/xdbd_select.c
     ${PROJECT_SOURCE_DIR}/src/event/xdbd_event.c
     ${PROJECT_SOURCE_DIR}/src/event/xdbd_timer.c

src/core/xdbd_times.c

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright(c) 2024 John Sanpe <[email protected]>
+ */
+
+#include <bfdev.h>
+#include <xdbd.h>
+#include <time.h>
+#include <sys/time.h>
+
+volatile xdbd_msec_t      xdbd_current_msec;
+
+static xdbd_msec_t
+xdbd_monotonic_time(void)
+{
+    struct timespec  ts;
+    time_t sec;
+    long msec;
+
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+    sec = ts.tv_sec;
+    msec = ts.tv_nsec / 1000000;
+
+    return (xdbd_msec_t) sec * 1000 + msec;
+}
+
+void
+xdbd_time_update(void)
+{
+    xdbd_current_msec = xdbd_monotonic_time();
+}

src/core/xdbd_times.h

@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright(c) 2024 John Sanpe <[email protected]>
+ */
+
+#ifndef __xdbd_times__H__
+#define __xdbd_times__H__
+
+#include <xdbd.h>
+
+extern volatile xdbd_msec_t      xdbd_current_msec;
+
+void
+xdbd_time_update(void);
+
+#endif /* __xdbd_times__H__ */