gazelle/0136-readv-return-1-errno-is-EAGAIN-when-recvring-no-data.patch
jiangheng 4c132e3e07 sync FAULT INJECT: gazelle add packet delay and packet drop
(cherry picked from commit b8f329ae854d5dc96cf94d0b1634eb95881917f4)
2024-03-14 17:06:31 +08:00

31 lines
968 B
Diff

From 61888e1e0d4810d3f0dbe5aa1d43a2dbcf2ad0f5 Mon Sep 17 00:00:00 2001
From: jiangheng <jiangheng14@huawei.com>
Date: Wed, 21 Feb 2024 07:44:59 +0800
Subject: [PATCH] readv return -1, errno is EAGAIN when recvring no data
---
src/lstack/api/lstack_rtw_api.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/src/lstack/api/lstack_rtw_api.c b/src/lstack/api/lstack_rtw_api.c
index 8498b8e..e50fe37 100644
--- a/src/lstack/api/lstack_rtw_api.c
+++ b/src/lstack/api/lstack_rtw_api.c
@@ -127,12 +127,7 @@ ssize_t rtw_readv(int s, const struct iovec *iov, int iovcnt)
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
- ssize_t result = do_lwip_recvmsg_from_stack(s, &msg, 0);
- if (result == -1 && errno == EAGAIN) {
- errno = 0;
- return 0;
- }
- return result;
+ return do_lwip_recvmsg_from_stack(s, &msg, 0);
}
ssize_t rtw_write(int s, const void *mem, size_t size)
--
2.27.0