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api: avoid sigpipe for unruly api client

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if the api client didn't wait for the last message, we'd get a SIGPIPE
from Unix and VPP would crash.

Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: Iac7705ec09ccd67cc249cc9a9525a7cb379e2f6f
Signed-off-by: Ole Troan <ot@cisco.com>
This commit is contained in:
Ole Troan
2022-12-06 17:07:39 +01:00
committed by Andrew Yourtchenko
parent f22824bbef
commit d7413835e1
1 changed files with 7 additions and 1 deletions
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8
src/vlibmemory/socket_api.c
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@ -220,6 +220,12 @@ static void
socket_cleanup_pending_remove_registration_cb (u32 *preg_index)
{
vl_api_registration_t *rp = vl_socket_get_registration (*preg_index);
if (!rp)
{
/* Might already have gone */
return;
}
clib_file_main_t *fm = &file_main;
u32 pending_remove_file_index = vl_api_registration_file_index (rp);
@ -402,7 +408,7 @@ vl_socket_write_ready (clib_file_t * uf)
while (remaining_bytes > 0)
{
bytes_to_send = remaining_bytes > 4096 ? 4096 : remaining_bytes;
n = write (uf->file_descriptor, p, bytes_to_send);
n = send (uf->file_descriptor, p, bytes_to_send, MSG_NOSIGNAL);
if (n < 0)
{
if (errno == EAGAIN)