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Start the first client with a special socketpair so it is already known to the

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server rather than playing silly games to get them synchronised before doing
anything.

Change attach-session to start the server.
This commit is contained in:
Nicholas Marriott
2009-01-19 17:16:09 +00:00
parent 95323a6a36
commit 5f6a351df7
6 changed files with 92 additions and 83 deletions
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36
client.c
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@@ -1,4 +1,4 @@
/* $Id: client.c,v 1.40 2009-01-18 12:09:42 nicm Exp $ */
/* $Id: client.c,v 1.41 2009-01-19 17:16:09 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -44,23 +44,20 @@ client_init(
struct winsize ws;
size_t size;
int mode;
u_int retries;
struct buffer *b;
char *name;
retries = 0;
retry:
if (stat(path, &sb) != 0) {
if (start_server && errno == ENOENT) {
if (server_start(path) != 0)
goto no_start;
goto retry;
if ((cctx->srv_fd = server_start(path)) == -1)
goto start_failed;
goto server_started;
}
goto fail;
goto not_found;
}
if (!S_ISSOCK(sb.st_mode)) {
errno = ENOTSOCK;
goto fail;
goto not_found;
}
memset(&sa, 0, sizeof sa);
@@ -68,7 +65,7 @@ retry:
size = strlcpy(sa.sun_path, path, sizeof sa.sun_path);
if (size >= sizeof sa.sun_path) {
errno = ENAMETOOLONG;
goto fail;
goto not_found;
}
if ((cctx->srv_fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
@@ -76,16 +73,17 @@ retry:
if (connect(
cctx->srv_fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) == -1) {
if (start_server && errno == ECONNREFUSED && retries < 10) {
if (unlink(path) != 0)
goto fail;
if (server_start(path) != 0)
goto no_start;
if (errno == ECONNREFUSED) {
if (unlink(path) != 0 || !start_server)
goto not_found;
if ((cctx->srv_fd = server_start(path)) == -1)
goto start_failed;
goto server_started;
}
retries++;
goto retry;
goto not_found;
}
server_started:
if ((mode = fcntl(cctx->srv_fd, F_GETFL)) == -1)
fatal("fcntl");
if (fcntl(cctx->srv_fd, F_SETFL, mode|O_NONBLOCK) == -1)
@@ -118,11 +116,11 @@ retry:
return (0);
no_start:
start_failed:
log_warnx("server failed to start");
return (1);
fail:
not_found:
log_warn("server not found");
return (1);
}