I once wrote this patch to solve a problem which I logged to be:
Let EAGAIN be fatal for write to socket. Needed
to unlock a hung connection where the www client has
stopped reading its socket.
I cannot remember the details so I post the patch in hope it makes
sense to anyone. Possibly I have solved the problem at the wrong place.
Anyhow, here goes the patch:
Index: crypto/bio/bss_conn.c
===================================================================
--- crypto/bio/bss_conn.c (revision 31831)
+++ crypto/bio/bss_conn.c (revision 31832)
@@ -444,7 +444,11 @@
if (ret <= 0)
{
if (BIO_sock_should_retry(ret))
- BIO_set_retry_write(b);
+ if (get_last_socket_error() == EAGAIN) {
+ get_last_socket_error() = ECONNRESET;
+ shutdown(b->num, SHUT_WR);
+ } else
+ BIO_set_retry_write(b);
}
return(ret);
}
Index: crypto/bio/bss_sock.c
===================================================================
--- crypto/bio/bss_sock.c (revision 31831)
+++ crypto/bio/bss_sock.c (revision 31832)
@@ -159,7 +159,11 @@
if (ret <= 0)
{
if (BIO_sock_should_retry(ret))
- BIO_set_retry_write(b);
+ if (get_last_socket_error() == EAGAIN) {
+ get_last_socket_error() = ECONNRESET;
+ shutdown(b->num, SHUT_WR);
+ } else
+ BIO_set_retry_write(b);
}
return(ret);
}
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