Adding some initial code. utils.c for some auxiliary functions, and itc.c for intra-tuberia-communication

1 files changed, 35 insertions, 0 deletions

diff --git a/src/utils.c b/src/utils.c
new file mode 100644
index 0000000..8505b63
--- /dev/null
+++ b/src/utils.c
@@ -0,0 +1,35 @@
+#include "utils.h"
+
+#include <stdlib.h>
+#include <sys/time.h>
+
+struct timespec *timespec_add_ms(struct timespec *ts, int timeout_ms)
+{
+        long long nsec;
+
+        if (!ts) {
+                return NULL;
+        }
+
+        nsec = ts->tv_nsec + timeout_ms * 1000000LL;
+        ts->tv_sec += nsec / 1000000000LL;
+        ts->tv_nsec = nsec % 1000000000LL;
+
+        return ts;
+}
+
+struct timespec *gettimespec(struct timespec *ts)
+{
+        struct timeval tv;
+
+        if (!ts) {
+                return NULL;
+        }
+
+        gettimeofday(&tv, NULL);
+        ts->tv_sec = tv.tv_sec;
+        ts->tv_nsec = tv.tv_usec * 1000L;
+
+        return ts;
+}
+