fixd a critical issue in lwip. see issue#11

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1621 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
mbbill@gmail.com 2011-07-08 02:04:14 +00:00
parent 79ff9b7399
commit 7121ca6467
4 changed files with 33 additions and 20 deletions

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@ -92,9 +92,6 @@ void sys_arch_assert(const char* file, int line);
#define LWIP_PLATFORM_DIAG(x) do {rt_kprintf x;} while(0) #define LWIP_PLATFORM_DIAG(x) do {rt_kprintf x;} while(0)
#define LWIP_PLATFORM_ASSERT(x) { rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__); } #define LWIP_PLATFORM_ASSERT(x) { rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__); }
#define SYS_ARCH_DECL_PROTECT(x)
#define SYS_ARCH_PROTECT(x)
#define SYS_ARCH_UNPROTECT(x)
#include "string.h" #include "string.h"

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@ -491,12 +491,22 @@ sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg,
sys_prot_t sys_arch_protect(void) sys_prot_t sys_arch_protect(void)
{ {
rt_base_t level;
/* disable interrupt */ /* disable interrupt */
return rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
/* must also lock scheduler */
rt_enter_critical();
return level;
} }
void sys_arch_unprotect(sys_prot_t pval) void sys_arch_unprotect(sys_prot_t pval)
{ {
/* unlock scheduler */
rt_exit_critical();
/* enable interrupt */ /* enable interrupt */
rt_hw_interrupt_enable(pval); rt_hw_interrupt_enable(pval);

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@ -92,9 +92,6 @@ void sys_arch_assert(const char* file, int line);
#define LWIP_PLATFORM_DIAG(x) do {rt_kprintf x;} while(0) #define LWIP_PLATFORM_DIAG(x) do {rt_kprintf x;} while(0)
#define LWIP_PLATFORM_ASSERT(x) { rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__); } #define LWIP_PLATFORM_ASSERT(x) { rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__); }
#define SYS_ARCH_DECL_PROTECT(x)
#define SYS_ARCH_PROTECT(x)
#define SYS_ARCH_UNPROTECT(x)
#include "string.h" #include "string.h"

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@ -226,18 +226,27 @@ sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg), void *arg, i
sys_prot_t sys_arch_protect(void) sys_prot_t sys_arch_protect(void)
{ {
rt_base_t level;
/* disable interrupt */ /* disable interrupt */
return rt_hw_interrupt_disable(); level = rt_hw_interrupt_disable();
/* must also lock scheduler */
rt_enter_critical();
return level;
} }
void sys_arch_unprotect(sys_prot_t pval) void sys_arch_unprotect(sys_prot_t pval)
{ {
/* unlock scheduler */
rt_exit_critical();
/* enable interrupt */ /* enable interrupt */
rt_hw_interrupt_enable(pval); rt_hw_interrupt_enable(pval);
return; return;
} }
void sys_arch_assert(const char* file, int line) void sys_arch_assert(const char* file, int line)
{ {
rt_kprintf("\nAssertion: %d in %s, thread %s\n", line, file, rt_kprintf("\nAssertion: %d in %s, thread %s\n", line, file,