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Initialize dhcp timers in tcpip_thread (if LWIP_DHCP) to protect the stack from concurrent access.

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This commit is contained in:
goldsimon 2007-03-08 10:37:31 +00:00
parent 5eabd4591a
commit a868832776
2 changed files with 26 additions and 0 deletions
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4
CHANGELOG
View File

@ -45,6 +45,10 @@ HISTORY
++ Bug fixes:
2007-03-06 Simon Goldschmidt
* tcpip.c: Initialize dhcp timers in tcpip_thread (if LWIP_DHCP) to protect
the stack from concurrent access.
2007-03-06 Frédéric Bernon, Dmitry Potapov
* tcpip.c, ip_frag.c, ethernetif.c: Fix some build problems, and a redundancy
call to "lwip_stats.link.recv++;" in low_level_input() & ethernetif_input().

22
src/api/tcpip.c
View File

@ -102,6 +102,24 @@ arp_timer(void *arg)
sys_timeout( ARP_TMR_INTERVAL, arp_timer, NULL);
}
#if LWIP_DHCP
static void
dhcp_timer_coarse(void *arg)
{
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: dhcp_coarse_tmr()\n"));
dhcp_coarse_tmr();
sys_timeout(DHCP_COARSE_TIMER_SECS*1000, dhcp_timer_coarse, NULL);
}
static void
dhcp_timer_fine(void *arg)
{
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: dhcp_fine_tmr()\n"));
dhcp_fine_tmr();
sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL);
}
#endif
#if ETHARP_TCPIP_ETHINPUT
static void
ethernet_input(struct pbuf *p, struct netif *netif)
@ -146,6 +164,10 @@ tcpip_thread(void *arg)
sys_timeout( IP_TMR_INTERVAL, ip_timer, NULL);
#endif
sys_timeout( ARP_TMR_INTERVAL, arp_timer, NULL);
#if LWIP_DHCP
sys_timeout(DHCP_COARSE_TIMER_SECS*1000, dhcp_timer_coarse, NULL);
sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL);
#endif
if (tcpip_init_done != NULL) {
tcpip_init_done(tcpip_init_done_arg);