From c1bbcf5ed3d575808d23775b58fd5244b5349113 Mon Sep 17 00:00:00 2001
From: jifl <jifl>
Date: Fri, 21 Sep 2007 14:39:03 +0000
Subject: [PATCH] Add further checking that MEMP_NUM_SYS_TIMEOUT is high enough

---
 src/core/init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/init.c b/src/core/init.c
index 6a1efe17..56548346 100644
--- a/src/core/init.c
+++ b/src/core/init.c
@@ -129,6 +129,10 @@
 #if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
   #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in lwipopts.h"
 #endif
+/* There must be sufficient timeouts, taking into account requirements of the subsystems. */
+#if ((NO_SYS==0) && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_PPP)))
+  #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
+#endif
 
 /* Compile-time checks for deprecated options.
  */