Add an event loop.

Split client.c into smaller files and functions and
recode around the event loop.
Add multiple interface support using the new event loop.
Document changes and outstanding bugs.

1 files changed, 9 insertions, 0 deletions

diff --git a/common.h b/common.h
index 25226636..a9715d63 100644
--- a/common.h
+++ b/common.h
@@ -37,6 +37,15 @@
 
 #define UNCONST(a)		((void *)(unsigned long)(const void *)(a))
 
+#define timeval_to_double(tv) ((tv)->tv_sec * 1.0 + (tv)->tv_usec * 1.0e-6)
+#define timernorm(tvp)						\
+	do {							\
+		while ((tvp)->tv_usec >= 1000000) {		\
+			(tvp)->tv_sec++;			\
+			(tvp)->tv_usec -= 1000000;		\
+		}						\
+	} while (0 /* CONSTCOND */);
+
 #if __GNUC__ > 2 || defined(__INTEL_COMPILER)
 # define _unused __attribute__((__unused__))
 #else