Initial commit.

time.c

@@ -0,0 +1,35 @@
+#include "time.h"
+#include <sys/time.h>
+#include <errno.h>
+#include <time.h>
+
+struct timeval tv;
+
+u64 utime() {
+    gettimeofday(&tv, 0);
+    return tv.tv_sec * 1000000LU + tv.tv_usec;
+}
+
+u64 mtime() {
+    gettimeofday(&tv, 0);
+    return tv.tv_sec * 1000LU + (tv.tv_usec / 1000);
+}
+
+i32 msleep(u64 msec) {
+    struct timespec ts;
+    i32 res;
+
+    if (msec < 0) {
+        errno = EINVAL;
+        return -1;
+    }
+
+    ts.tv_sec = msec / 1000;
+    ts.tv_nsec = (msec % 1000) * 1000000;
+
+    do {
+        res = nanosleep(&ts, &ts);
+    } while (res && errno == EINTR);
+
+    return res;
+}