Squash commits for public release

kernel/include/libkern/bits/time.h

@@ -0,0 +1,51 @@
+#ifndef _KERNEL_LIBKERN_BITS_TIME_H
+#define _KERNEL_LIBKERN_BITS_TIME_H
+
+#include <libkern/types.h>
+
+struct timeval {
+    time_t tv_sec;
+    uint32_t tv_usec;
+};
+typedef struct timeval timeval_t;
+
+#define DST_NONE 0 /* not on dst */
+#define DST_USA 1 /* USA style dst */
+#define DST_AUST 2 /* Australian style dst */
+#define DST_WET 3 /* Western European dst */
+#define DST_MET 4 /* Middle European dst */
+#define DST_EET 5 /* Eastern European dst */
+#define DST_CAN 6 /* Canada */
+struct timezone {
+    int tz_minuteswest; /* minutes west of Greenwich */
+    int tz_dsttime; /* type of dst correction */
+};
+typedef struct timezone timezone_t;
+
+struct timespec {
+    time_t tv_sec;
+    uint32_t tv_nsec;
+};
+typedef struct timespec timespec_t;
+
+struct tm {
+    int tm_sec;
+    int tm_min;
+    int tm_hour;
+    int tm_mday;
+    int tm_mon;
+    int tm_year;
+    int tm_wday;
+    int tm_yday;
+    int tm_isdst;
+};
+typedef struct tm tm_t;
+
+typedef enum {
+    CLOCK_REALTIME,
+    CLOCK_MONOTONIC,
+    CLOCK_PROCESS_CPUTIME_ID,
+    CLOCK_THREAD_CPUTIME_ID,
+} clockid_t;
+
+#endif // _KERNEL_LIBKERN_BITS_TIME_H