From 3fbcadfbf74ce3e1d3e41b2edd80e291a58f60f7 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Fri, 16 Nov 2012 14:17:31 +0100 Subject: libnetworking: Use rtems_clock_get_uptime_seconds This reduces the start-up time of the network stack. With a 1ms tick the ticks since boot value overflows after approximately 50 days. This problem is avoided with the rtems_clock_get_uptime_seconds() function. --- cpukit/libnetworking/rtems/rtems_bsdnet_internal.h | 6 +++++- cpukit/libnetworking/rtems/rtems_glue.c | 15 --------------- 2 files changed, 5 insertions(+), 16 deletions(-) (limited to 'cpukit/libnetworking/rtems') diff --git a/cpukit/libnetworking/rtems/rtems_bsdnet_internal.h b/cpukit/libnetworking/rtems/rtems_bsdnet_internal.h index c5ca26bc0d..b477d7d654 100644 --- a/cpukit/libnetworking/rtems/rtems_bsdnet_internal.h +++ b/cpukit/libnetworking/rtems/rtems_bsdnet_internal.h @@ -139,7 +139,11 @@ void rtems_bsdnet_semaphore_release (void); void rtems_bsdnet_schednetisr (int n); int rtems_bsdnet_parse_driver_name (const struct rtems_bsdnet_ifconfig *config, char **namep); -unsigned long rtems_bsdnet_seconds_since_boot (void); +static inline unsigned long rtems_bsdnet_seconds_since_boot(void) +{ + return (unsigned long) rtems_clock_get_uptime_seconds() + 1UL; +} + unsigned long rtems_bsdnet_random (void); rtems_id rtems_bsdnet_newproc ( diff --git a/cpukit/libnetworking/rtems/rtems_glue.c b/cpukit/libnetworking/rtems/rtems_glue.c index 1f208aefc0..8380e4d410 100644 --- a/cpukit/libnetworking/rtems/rtems_glue.c +++ b/cpukit/libnetworking/rtems/rtems_glue.c @@ -335,12 +335,6 @@ rtems_bsdnet_initialize (void) rtems_bsdnet_microseconds_per_tick = 1000000 / rtems_bsdnet_ticks_per_second; - /* - * Ensure that `seconds' is greater than 0 - */ - while (rtems_bsdnet_seconds_since_boot() == 0) - rtems_task_wake_after(1); - /* * Set up BSD-style sockets */ @@ -714,15 +708,6 @@ rtems_status_code rtems_bsdnet_event_receive ( return sc; } -unsigned long -rtems_bsdnet_seconds_since_boot (void) -{ - rtems_interval now; - - now = rtems_clock_get_ticks_since_boot(); - return now / rtems_bsdnet_ticks_per_second; -} - /* * Fake random number generator */ -- cgit v1.2.3