4 files changed, 21 insertions, 21 deletions

diff --git a/src/platform/posix/posix_aio.h b/src/platform/posix/posix_aio.h
index de662ff2..e762bebe 100644
--- a/src/platform/posix/posix_aio.h
+++ b/src/platform/posix/posix_aio.h
@@ -24,8 +24,8 @@ extern int nni_posix_pipedesc_sysinit(void);
 extern void nni_posix_pipedesc_sysfini(void);
 extern int nni_posix_pipedesc_init(nni_posix_pipedesc **, int);
 extern void nni_posix_pipedesc_fini(nni_posix_pipedesc *);
-extern int nni_posix_pipedesc_read(nni_posix_pipedesc *, nni_aio *);
-extern int nni_posix_pipedesc_write(nni_posix_pipedesc *, nni_aio *);
+extern void nni_posix_pipedesc_read(nni_posix_pipedesc *, nni_aio *);
+extern void nni_posix_pipedesc_write(nni_posix_pipedesc *, nni_aio *);
 extern void nni_posix_pipedesc_close(nni_posix_pipedesc *);
 
 #endif // PLATFORM_POSIX_AIO_H
diff --git a/src/platform/posix/posix_ipc.c b/src/platform/posix/posix_ipc.c
index ba46b41e..44307ca5 100644
--- a/src/platform/posix/posix_ipc.c
+++ b/src/platform/posix/posix_ipc.c
@@ -66,17 +66,17 @@ nni_plat_ipc_path_to_sockaddr(struct sockaddr_un *sun, const char *path)
 }
 
 
-int
+void
 nni_plat_ipc_aio_send(nni_plat_ipcsock *isp, nni_aio *aio)
 {
-	return (nni_posix_pipedesc_write(isp->pd, aio));
+	nni_posix_pipedesc_write(isp->pd, aio);
 }
 
 
-int
+void
 nni_plat_ipc_aio_recv(nni_plat_ipcsock *isp, nni_aio *aio)
 {
-	return (nni_posix_pipedesc_read(isp->pd, aio));
+	nni_posix_pipedesc_read(isp->pd, aio);
 }
 
 
diff --git a/src/platform/posix/posix_net.c b/src/platform/posix/posix_net.c
index 5ae9904a..1d44435e 100644
--- a/src/platform/posix/posix_net.c
+++ b/src/platform/posix/posix_net.c
@@ -170,17 +170,17 @@ nni_plat_tcp_send(nni_plat_tcpsock *s, nni_iov *iovs, int cnt)
 }
 
 
-int
+void
 nni_plat_tcp_aio_send(nni_plat_tcpsock *s, nni_aio *aio)
 {
-	return (nni_posix_pipedesc_write(s->pd, aio));
+	nni_posix_pipedesc_write(s->pd, aio);
 }
 
 
-int
+void
 nni_plat_tcp_aio_recv(nni_plat_tcpsock *s, nni_aio *aio)
 {
-	return (nni_posix_pipedesc_read(s->pd, aio));
+	nni_posix_pipedesc_read(s->pd, aio);
 }
 
 
diff --git a/src/platform/posix/posix_poll.c b/src/platform/posix/posix_poll.c
index 7fb07917..a30c0953 100644
--- a/src/platform/posix/posix_poll.c
+++ b/src/platform/posix/posix_poll.c
@@ -42,6 +42,7 @@ struct nni_posix_pipedesc {
 	nni_list		writeq;
 	nni_list_node		node;
 	nni_posix_pollq *	pq;
+	int			nonblocking;
 };
 
 // nni_posix_pollq is a work structure used by the poller thread, that keeps
@@ -417,14 +418,17 @@ nni_posix_pipedesc_submit(nni_posix_pipedesc *pd, nni_list *l, nni_aio *aio)
 	int rv;
 	nni_posix_pollq *pq = pd->pq;
 
-	// XXX: this should be done only once, after tcp negot. is done
-	// or at init if we can get tcp negot. to be async.
-	(void) fcntl(pd->fd, F_SETFL, O_NONBLOCK);
-
 	nni_mtx_lock(&pq->mtx);
 	if (pd->fd < 0) {
 		nni_mtx_unlock(&pq->mtx);
 		nni_aio_finish(aio, NNG_ECLOSED, aio->a_count);
+		return;
+	}
+	// XXX: We really should just make all the FDs nonblocking, but we
+	// need to fix the negotiation phase.
+	if (pd->nonblocking == 0) {
+		(void) fcntl(pd->fd, F_SETFL, O_NONBLOCK);
+		pd->nonblocking = 1;
 	}
 	if ((rv = nni_aio_start(aio, nni_posix_pipedesc_cancel, pd)) != 0) {
 		nni_mtx_unlock(&pq->mtx);
@@ -470,6 +474,7 @@ nni_posix_pipedesc_init(nni_posix_pipedesc **pdp, int fd)
 	pd->pq = &nni_posix_global_pollq;
 	pd->fd = fd;
 	pd->index = 0;
+	pd->nonblocking = 0;
 
 	NNI_LIST_INIT(&pd->readq, nni_aio, a_prov_node);
 	NNI_LIST_INIT(&pd->writeq, nni_aio, a_prov_node);
@@ -567,22 +572,17 @@ nni_posix_pipedesc_sysfini(void)
 // extern int nni_posix_aio_ep_init(nni_posix_aio_ep *, int);
 // extern void nni_posix_aio_ep_fini(nni_posix_aio_ep *);
 
-int
+void
 nni_posix_pipedesc_read(nni_posix_pipedesc *pd, nni_aio *aio)
 {
-	aio->a_count = 0;
-
 	nni_posix_pipedesc_submit(pd, &pd->readq, aio);
-	return (0);
 }
 
 
-int
+void
 nni_posix_pipedesc_write(nni_posix_pipedesc *pd, nni_aio *aio)
 {
-	aio->a_count = 0;
 	nni_posix_pipedesc_submit(pd, &pd->writeq, aio);
-	return (0);
 }