[Minios-devel] [UNIKRAFT PATCH 2/3] lib/uktime: Add the missing changes from newlib's time.c

[Costin Lupu <costin.lupu@xxxxxxxxx>]

This patch copies the changes that were only in the newlib's time.c

Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 lib/uktime/time.c | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/lib/uktime/time.c b/lib/uktime/time.c
index f884531f..7469fd38 100644
--- a/lib/uktime/time.c
+++ b/lib/uktime/time.c
@@ -35,16 +35,21 @@
  * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
  */
 
+#include <errno.h>
 #include <time.h>
+#include <utime.h>
 #include <uk/plat/time.h>
-#include <errno.h>
 #include <uk/config.h>
 #if CONFIG_HAVE_SCHED
 #include <uk/sched.h>
 #else
 #include <uk/plat/lcpu.h>
 #endif
-#include <uk/essentials.h>
+
+int utime(const char *filename __unused, const struct utimbuf *times __unused)
+{
+       return 0;
+}
 
 #ifndef CONFIG_HAVE_SCHED
 /* Workaround until Unikraft changes interface for something more
@@ -92,6 +97,18 @@ int nanosleep(const struct timespec *req, struct timespec 
*rem)
        return 0;
 }
 
+int usleep(useconds_t usec)
+{
+       struct timespec ts;
+
+       ts.tv_sec = (long int) (usec / 1000000);
+       ts.tv_nsec = (long int) ukarch_time_usec_to_nsec(usec % 1000000);
+       if (nanosleep(&ts, &ts))
+               return -1;
+
+       return 0;
+}
+
 unsigned int sleep(unsigned int seconds)
 {
        struct timespec ts;
@@ -118,7 +135,12 @@ int gettimeofday(struct timeval *tv, void *tz __unused)
        return 0;
 }
 
-int clock_gettime(clockid_t clk_id, struct timespec *tp)
+int clock_getres(clockid_t clk_id __unused, struct timespec *res __unused)
+{
+       return 0;
+}
+
+int clock_gettime(clockid_t clk_id __unused, struct timespec *tp __unused)
 {
        __nsec now;
 
@@ -143,3 +165,14 @@ int clock_gettime(clockid_t clk_id, struct timespec *tp)
        tp->tv_nsec = ukarch_time_subsec(now);
        return 0;
 }
+
+int clock_settime(clockid_t clk_id __unused, const struct timespec *tp 
__unused)
+{
+       return 0;
+}
+
+int times(struct tm *buf __unused)
+{
+       errno = ENODATA;
+       return -1;
+}
-- 
2.20.1


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