From ba55284d44e947429a72f8d6a5017353037604a0 Mon Sep 17 00:00:00 2001
From: Jef Poskanzer <jef@mail.acme.com>
Date: Mon, 18 Feb 2013 07:33:36 -0800
Subject: [PATCH] Added some "hot" attributes to mark a few routines that
 deserve extra optimization.  Most likely this has no effect.

---
 src/iperf_api.h | 2 +-
 src/iperf_tcp.h | 2 +-
 src/iperf_udp.h | 2 +-
 src/net.h       | 2 +-
 src/timer.h     | 4 ++--
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/iperf_api.h b/src/iperf_api.h
index e3c00c4..102387e 100644
--- a/src/iperf_api.h
+++ b/src/iperf_api.h
@@ -156,7 +156,7 @@ long get_tcpinfo_total_retransmits(struct iperf_interval_results *irp);
 void print_tcpinfo(struct iperf_test *test);
 void build_tcpinfo_message(struct iperf_interval_results *r, char *message);
 
-int iperf_send(struct iperf_test *, fd_set *);
+int iperf_send(struct iperf_test *, fd_set *) __attribute__((hot));
 int iperf_recv(struct iperf_test *, fd_set *);
 void sig_handler(int);
 void usage();
diff --git a/src/iperf_tcp.h b/src/iperf_tcp.h
index c9f1ade..32242ee 100644
--- a/src/iperf_tcp.h
+++ b/src/iperf_tcp.h
@@ -35,7 +35,7 @@ int iperf_tcp_recv(struct iperf_stream *);
  * returns: bytes sent
  *
  */
-int iperf_tcp_send(struct iperf_stream *);
+int iperf_tcp_send(struct iperf_stream *) __attribute__((hot));
 
 
 int iperf_tcp_listen(struct iperf_test *);
diff --git a/src/iperf_udp.h b/src/iperf_udp.h
index cbc8b38..f67ac03 100644
--- a/src/iperf_udp.h
+++ b/src/iperf_udp.h
@@ -25,7 +25,7 @@ int iperf_udp_recv(struct iperf_stream *);
  * returns: bytes sent
  *
  */
-int iperf_udp_send(struct iperf_stream *);
+int iperf_udp_send(struct iperf_stream *) __attribute__((hot));
 
 
 /**
diff --git a/src/net.h b/src/net.h
index ea12a91..a960b27 100644
--- a/src/net.h
+++ b/src/net.h
@@ -12,7 +12,7 @@
 
 int netdial(int, int, char *, char *, int);
 int netannounce(int, int, char *, int);
-int Nwrite(int, void *, int, int);
+int Nwrite(int, void *, int, int) __attribute__((hot));
 int Nread(int, void *, int, int);
 int getsock_tcp_mss(int);
 int set_tcp_options(int, int, int);
diff --git a/src/timer.h b/src/timer.h
index 0d50d60..7585c7c 100644
--- a/src/timer.h
+++ b/src/timer.h
@@ -55,12 +55,12 @@ extern Timer* tmr_create(
 ** can just put the call to this routine right in your select().  Returns
 ** (struct timeval*) 0 if no timers are pending.
 */
-extern struct timeval* tmr_timeout( struct timeval* nowP );
+extern struct timeval* tmr_timeout( struct timeval* nowP ) __attribute__((hot));
 
 /* Run the list of timers. Your main program needs to call this every so often,
 ** or as indicated by tmr_timeout().
 */
-extern void tmr_run( struct timeval* nowP );
+extern void tmr_run( struct timeval* nowP ) __attribute__((hot));
 
 /* Reset the clock on a timer, to current time plus the original timeout. */
 extern void tmr_reset( struct timeval* nowP, Timer* timer );