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fs/epoll: add error log when epoll wait return failed

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Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1
2024-09-14 16:56:38 +08:00
committed by Xiang Xiao
parent 580bdda624
commit 29e7b00c4e
1 changed files with 6 additions and 2 deletions
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fs/vfs/fs_epoll.c
+6 -2
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@@ -716,7 +716,7 @@ int epoll_pwait(int epfd, FAR struct epoll_event *evs,
eph = epoll_head_from_fd(epfd, &filep); eph = epoll_head_from_fd(epfd, &filep);
if (eph == NULL) if (eph == NULL)
{ {
return ERROR; goto out;
} }
retry: retry:
@@ -765,6 +765,8 @@ retry:
err: err:
fs_putfilep(filep); fs_putfilep(filep);
set_errno(-ret); set_errno(-ret);
out:
ferr("epoll wait failed:%d, timeout:%d\n", errno, timeout);
return ERROR; return ERROR;
} }
@@ -789,7 +791,7 @@ int epoll_wait(int epfd, FAR struct epoll_event *evs,
eph = epoll_head_from_fd(epfd, &filep); eph = epoll_head_from_fd(epfd, &filep);
if (eph == NULL) if (eph == NULL)
{ {
return ERROR; goto out;
} }
retry: retry:
@@ -835,5 +837,7 @@ retry:
err: err:
fs_putfilep(filep); fs_putfilep(filep);
set_errno(-ret); set_errno(-ret);
out:
ferr("epoll wait failed:%d, timeout:%d\n", errno, timeout);
return ERROR; return ERROR;
} }