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slirp: call socket_set_fast_reuse instead of setting SO_REUSEADDR

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SO_REUSEADDR should be avoided on Windows but is desired on other operating
systems. So instead of setting it we call socket_set_fast_reuse that will result
in the appropriate behaviour on all operating systems.

Signed-off-by: Sebastian Ottlik <ottlik@fzi.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Sebastian Ottlik 2013-10-02 12:23:15 +02:00 committed by Stefan Weil
parent bcbe92fb08
commit aad1239a7e
4 changed files with 6 additions and 11 deletions
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3
slirp/misc.c
View file

@ -212,8 +212,7 @@ fork_exec(struct socket *so, const char *ex, int do_pty)
so->s = accept(s, (struct sockaddr *)&addr, &addrlen);
} while (so->s < 0 && errno == EINTR);
closesocket(s);
opt = 1;
qemu_setsockopt(so->s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int));
socket_set_fast_reuse(so->s);
opt = 1;
qemu_setsockopt(so->s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
qemu_set_nonblock(so->s);

4
slirp/socket.c
View file

@ -627,9 +627,7 @@ tcp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr,
addr.sin_port = hport;
if (((s = qemu_socket(AF_INET,SOCK_STREAM,0)) < 0) ||
#ifndef _WIN32
(qemu_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)) < 0) ||
#endif
(socket_set_fast_reuse(s) < 0) ||
(bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) ||
(listen(s,1) < 0)) {
int tmperrno = errno; /* Don't clobber the real reason we failed */

6
slirp/tcp_subr.c
View file

@ -337,8 +337,7 @@ int tcp_fconnect(struct socket *so)
struct sockaddr_in addr;
qemu_set_nonblock(s);
opt = 1;
qemu_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
socket_set_fast_reuse(s);
opt = 1;
qemu_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(opt));
@ -426,8 +425,7 @@ void tcp_connect(struct socket *inso)
return;
}
qemu_set_nonblock(s);
opt = 1;
qemu_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int));
socket_set_fast_reuse(s);
opt = 1;
qemu_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
socket_set_nodelay(s);

4
slirp/udp.c
View file

@ -354,7 +354,7 @@ udp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr,
{
struct sockaddr_in addr;
struct socket *so;
socklen_t addrlen = sizeof(struct sockaddr_in), opt = 1;
socklen_t addrlen = sizeof(struct sockaddr_in);
so = socreate(slirp);
if (!so) {
@ -372,7 +372,7 @@ udp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr,
udp_detach(so);
return NULL;
}
qemu_setsockopt(so->s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int));
socket_set_fast_reuse(so->s);
getsockname(so->s,(struct sockaddr *)&addr,&addrlen);
so->so_fport = addr.sin_port;