From ec2574b09a746709f15d2a3f5de135e29f4bcb52 Mon Sep 17 00:00:00 2001
From: Garrett D'Amore <garrett@damore.org>
Date: Sun, 8 Jan 2017 11:18:16 -0800
Subject: Move to generic socket & pipe workers, and up to 4 each.

This should eliminate all need for protocols to do their own
thread management tasks.
---
 src/core/socket.c | 62 +++++++++++++++++++++++++++----------------------------
 1 file changed, 31 insertions(+), 31 deletions(-)

(limited to 'src/core/socket.c')

diff --git a/src/core/socket.c b/src/core/socket.c
index ad8e5703..c6b0408e 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -142,6 +142,7 @@ nni_sock_open(nni_sock **sockp, uint16_t pnum)
 	nni_sock *sock;
 	nni_proto *proto;
 	int rv;
+	int i;
 	nni_proto_sock_ops *sops;
 	nni_proto_pipe_ops *pops;
 
@@ -217,7 +218,7 @@ nni_sock_open(nni_sock **sockp, uint16_t pnum)
 	}
 	if ((rv = nni_msgq_init(&sock->s_urq, 0)) != 0) {
 		nni_msgq_fini(sock->s_uwq);
-		nni_thr_fini(&sock->s_recver);
+		nni_thr_fini(&sock->s_reaper);
 		nni_cv_fini(&sock->s_cv);
 		nni_mtx_fini(&sock->s_mx);
 		NNI_FREE_STRUCT(sock);
@@ -234,36 +235,30 @@ nni_sock_open(nni_sock **sockp, uint16_t pnum)
 		return (rv);
 	}
 
-	// NB: If these functions are NULL, the thread initialization is
-	// largely a NO-OP.  The system won't actually create the threads.
-	rv = nni_thr_init(&sock->s_sender, sops->sock_send, sock->s_data);
-	if (rv != 0) {
-		nni_thr_wait(&sock->s_reaper);
-		sops->sock_fini(&sock->s_data);
-		nni_msgq_fini(sock->s_urq);
-		nni_msgq_fini(sock->s_uwq);
-		nni_thr_fini(&sock->s_reaper);
-		nni_cv_fini(&sock->s_cv);
-		nni_mtx_fini(&sock->s_mx);
-		NNI_FREE_STRUCT(sock);
-	}
-	rv = nni_thr_init(&sock->s_recver, sops->sock_recv, sock->s_data);
-	if (rv != 0) {
-		nni_thr_wait(&sock->s_sender);
-		sops->sock_fini(&sock->s_data);
-		nni_msgq_fini(sock->s_urq);
-		nni_msgq_fini(sock->s_uwq);
-		nni_thr_fini(&sock->s_sender);
-		nni_thr_fini(&sock->s_reaper);
-		nni_cv_fini(&sock->s_cv);
-		nni_mtx_fini(&sock->s_mx);
-		NNI_FREE_STRUCT(sock);
+	// NB: If worker functions are null, then the thread initialization
+	// turns into a NOP, and no actual thread will be started.
+	for (i = 0; i < NNI_MAXWORKERS; i++) {
+		nni_worker fn = sops->sock_worker[i];
+		rv = nni_thr_init(&sock->s_worker_thr[i], fn, sock->s_data);
+		if (rv != 0) {
+			while (i > 0) {
+				i--;
+				nni_thr_fini(&sock->s_worker_thr[i]);
+			}
+			sops->sock_fini(&sock->s_data);
+			nni_msgq_fini(sock->s_urq);
+			nni_msgq_fini(sock->s_uwq);
+			nni_cv_fini(&sock->s_cv);
+			nni_mtx_fini(&sock->s_mx);
+			NNI_FREE_STRUCT(sock);
+		}
 	}
 
+	for (i = 0; i < NNI_MAXWORKERS; i++) {
+		nni_thr_run(&sock->s_worker_thr[i]);
+	}
 
 	nni_thr_run(&sock->s_reaper);
-	nni_thr_run(&sock->s_recver);
-	nni_thr_run(&sock->s_sender);
 	*sockp = sock;
 	return (0);
 }
@@ -279,6 +274,7 @@ nni_sock_shutdown(nni_sock *sock)
 	nni_pipe *pipe;
 	nni_ep *ep;
 	nni_time linger;
+	int i;
 
 	nni_mtx_lock(&sock->s_mx);
 	if (sock->s_closing) {
@@ -350,8 +346,9 @@ nni_sock_shutdown(nni_sock *sock)
 	nni_mtx_unlock(&sock->s_mx);
 
 	// Wait for the threads to exit.
-	nni_thr_wait(&sock->s_sender);
-	nni_thr_wait(&sock->s_recver);
+	for (i = 0; i < NNI_MAXWORKERS; i++) {
+		nni_thr_wait(&sock->s_worker_thr[i]);
+	}
 	nni_thr_wait(&sock->s_reaper);
 
 	// At this point, there are no threads blocked inside of us
@@ -368,6 +365,8 @@ nni_sock_shutdown(nni_sock *sock)
 void
 nni_sock_close(nni_sock *sock)
 {
+	int i;
+
 	// Shutdown everything if not already done.  This operation
 	// is idempotent.
 	nni_sock_shutdown(sock);
@@ -383,9 +382,10 @@ nni_sock_close(nni_sock *sock)
 	sock->s_sock_ops.sock_fini(sock->s_data);
 
 	// And we need to clean up *our* state.
+	for (i = 0; i < NNI_MAXWORKERS; i++) {
+		nni_thr_fini(&sock->s_worker_thr[i]);
+	}
 	nni_thr_fini(&sock->s_reaper);
-	nni_thr_fini(&sock->s_sender);
-	nni_thr_fini(&sock->s_recver);
 	nni_msgq_fini(sock->s_urq);
 	nni_msgq_fini(sock->s_uwq);
 	nni_cv_fini(&sock->s_cv);
-- 
cgit v1.2.3-70-g09d2