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fs/mqueue: skip nxmq_pollnotify() if no poll waiters

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Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-06-08 19:39:57 +08:00 committed by Masayuki Ishikawa
parent f5d4571abc
commit 2fa7ebc18f
2 changed files with 6 additions and 0 deletions
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2
fs/mqueue/mq_open.c
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@ -370,6 +370,7 @@ static mqd_t nxmq_vopen(FAR const char *mq_name, int oflags, va_list ap)
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
#if CONFIG_FS_MQUEUE_NPOLLWAITERS > 0
void nxmq_pollnotify(FAR struct mqueue_inode_s *msgq, pollevent_t eventset) void nxmq_pollnotify(FAR struct mqueue_inode_s *msgq, pollevent_t eventset)
{ {
int i; int i;
@ -395,6 +396,7 @@ void nxmq_pollnotify(FAR struct mqueue_inode_s *msgq, pollevent_t eventset)
} }
} }
} }
#endif
/**************************************************************************** /****************************************************************************
* Name: file_mq_open * Name: file_mq_open

4
include/nuttx/mqueue.h
View File

@ -417,7 +417,11 @@ int nxmq_alloc_msgq(FAR struct mq_attr *attr,
* *
****************************************************************************/ ****************************************************************************/
#if CONFIG_FS_MQUEUE_NPOLLWAITERS > 0
void nxmq_pollnotify(FAR struct mqueue_inode_s *msgq, pollevent_t eventset); void nxmq_pollnotify(FAR struct mqueue_inode_s *msgq, pollevent_t eventset);
#else
# define nxmq_pollnotify(msgq, eventset)
#endif
/**************************************************************************** /****************************************************************************
* Name: file_mq_open * Name: file_mq_open