diff options
Diffstat (limited to 'meta/recipes-devtools/unfs3/unfs3/0001-Add-listen-action-for-a-tcp-socket.patch')
| -rw-r--r-- | meta/recipes-devtools/unfs3/unfs3/0001-Add-listen-action-for-a-tcp-socket.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/meta/recipes-devtools/unfs3/unfs3/0001-Add-listen-action-for-a-tcp-socket.patch b/meta/recipes-devtools/unfs3/unfs3/0001-Add-listen-action-for-a-tcp-socket.patch deleted file mode 100644 index e9b9d3df46..0000000000 --- a/meta/recipes-devtools/unfs3/unfs3/0001-Add-listen-action-for-a-tcp-socket.patch +++ /dev/null @@ -1,54 +0,0 @@ -From b42ab8e1aca951dd06c113159491b3fd5cf06f2e Mon Sep 17 00:00:00 2001 -From: Haiqing Bai <Haiqing.Bai@windriver.com> -Date: Thu, 24 Oct 2019 09:39:04 +0800 -Subject: [PATCH] Add "listen" action for a tcp socket which does not call - 'listen' after 'bind' - -It is found that /usr/bin/unfsd customus 100% cpu after starting qemu with 'nfs' -option, and below lots of error messages shows when strace the process: - -poll([{fd=3, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND},{fd=4, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}, -{fd=5, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND},{fd=6, events =POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}], -4, 2000) = 2 ([{fd=4, revents=POLLHUP},{fd=6, revents=POLLHUP}]) -accept(4, 0x7ffd5e6dddc0, [128]) = -1 EINVAL (Invalid argument) -accept(6, 0x7ffd5e6dddc0, [128]) = -1 EINVAL (Invalid argument) - -% time seconds usecs/call calls errors syscall ------- ----------- ----------- --------- --------- ---------------- - 70.87 0.005392 0 513886 513886 accept - 29.13 0.002216 0 256943 poll - 0.00 0.000000 0 4 read - -The root cause is that 'listen' is not called for the binded -socket. The depended libtipc does not call 'listen' if found -the incomming socket is binded, so 'accept' reports the error -in the 'for' loop and cpu consumed. - -Upstream-Status: Pending - -Signed-off-by: Haiqing Bai <Haiqing.Bai@windriver.com> ---- - daemon.c | 7 +++++++ - 1 file changed, 7 insertions(+) - -diff --git a/daemon.c b/daemon.c -index 028a181..4c85903 100644 ---- a/daemon.c -+++ b/daemon.c -@@ -814,6 +814,13 @@ static SVCXPRT *create_tcp_transport(unsigned int port) - fprintf(stderr, "Couldn't bind to tcp port %d\n", port); - exit(1); - } -+ -+ if (listen(sock, SOMAXCONN) < 0) { -+ perror("listen"); -+ fprintf(stderr, "Couldn't listen on the address \n"); -+ close(sock); -+ exit(1); -+ } - } - - transp = svctcp_create(sock, 0, 0); --- -1.9.1 - |