1 files changed, 21 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..c550b4f
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,21 @@
+#ifndef fooutilhfoo
+#define fooutilhfoo
+
+#include <sys/time.h>
+#include <time.h>
+#include <inttypes.h>
+
+typedef uint64_t usec_t;
+
+usec_t timeval_diff(const struct timeval *a, const struct timeval *b);
+int timeval_cmp(const struct timeval *a, const struct timeval *b);
+usec_t timeval_age(const struct timeval *tv);
+void timeval_add(struct timeval *tv, usec_t v);
+
+int set_nonblock(int fd);
+int set_cloexec(int fd);
+
+int wait_for_write(int fd, struct timeval *end);
+int wait_for_read(int fd, struct timeval *end);
+
+#endif