* add more stats tracking to lwip sys_arch.c - in doing so, check for failed allocations

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1866 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 19 insertions, 5 deletions

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
index c164a7a4e..517bfba03 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
@@ -56,6 +56,7 @@
 #include "lwip/opt.h"

 #include "lwip/mem.h"

 #include "lwip/sys.h"

+#include "lwip/stats.h"

 

 #include "arch/cc.h"

 #include "arch/sys_arch.h"

@@ -67,13 +68,20 @@ void sys_init(void) {
 sys_sem_t sys_sem_new(u8_t count) {

 

   sys_sem_t sem = chHeapAlloc(NULL, sizeof(Semaphore));

-  chSemInit(sem, (cnt_t)count);

+  if (sem == 0) {

+    SYS_STATS_INC(sem.err);

+  }

+  else {

+    chSemInit(sem, (cnt_t)count);

+    SYS_STATS_INC(sem.used);

+  }

   return sem;

 }

 

 void sys_sem_free(sys_sem_t sem) {

 

   chHeapFree(sem);

+  SYS_STATS_DEC(sem.used);

 }

 

 void sys_sem_signal(sys_sem_t sem) {

@@ -95,16 +103,22 @@ u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout) {
 }

 

 sys_mbox_t sys_mbox_new(int size) {

-  sys_mbox_t mbox;

-

-  mbox = chHeapAlloc(NULL, sizeof(Mailbox) + sizeof(msg_t) * size);

-  chMBInit(mbox, (void *)(((uint8_t *)mbox) + sizeof(Mailbox)), size);

+  

+  sys_mbox_t mbox = chHeapAlloc(NULL, sizeof(Mailbox) + sizeof(msg_t) * size);

+  if (mbox == 0) {

+    SYS_STATS_INC(mbox.err);

+  }

+  else {

+    chMBInit(mbox, (void *)(((uint8_t *)mbox) + sizeof(Mailbox)), size);

+    SYS_STATS_INC(mbox.used);

+  }

   return mbox;

 }

 

 void sys_mbox_free(sys_mbox_t mbox) {

 

   chHeapFree(mbox);

+  SYS_STATS_DEC(mbox.used);

 }

 

 void sys_mbox_post(sys_mbox_t mbox, void *msg) {