From ae1fdc70f0086c0e12bfe02c9b69153e7743dc22 Mon Sep 17 00:00:00 2001 From: shaojinchun Date: Mon, 16 Sep 2019 16:55:40 +0800 Subject: 修正rt_mp_free有可能唤醒一个错误任务指针的问题 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- components/finsh/cmd.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'components') diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c index 680d9d01d7..f8b774bd6f 100644 --- a/components/finsh/cmd.c +++ b/components/finsh/cmd.c @@ -675,6 +675,8 @@ long list_mempool(void) { struct rt_object *obj; struct rt_mempool *mp; + int suspend_thread_count; + rt_list_t *node; obj = rt_list_entry(obj_list[i], struct rt_object, list); level = rt_hw_interrupt_disable(); @@ -687,7 +689,14 @@ long list_mempool(void) rt_hw_interrupt_enable(level); mp = (struct rt_mempool *)obj; - if (mp->suspend_thread_count > 0) + + suspend_thread_count = 0; + for (node = mp->suspend_thread.next; node != &mp->suspend_thread; node = node->next) + { + suspend_thread_count++; + } + + if (suspend_thread_count > 0) { rt_kprintf("%-*.*s %04d %04d %04d %d:", maxlen, RT_NAME_MAX, @@ -695,7 +704,7 @@ long list_mempool(void) mp->block_size, mp->block_total_count, mp->block_free_count, - mp->suspend_thread_count); + suspend_thread_count); show_wait_queue(&(mp->suspend_thread)); rt_kprintf("\n"); } @@ -707,7 +716,7 @@ long list_mempool(void) mp->block_size, mp->block_total_count, mp->block_free_count, - mp->suspend_thread_count); + suspend_thread_count); } } } -- cgit v1.3.1