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Use a socketpair to synchronise server startup.

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This commit is contained in:
Nicholas Marriott
2008-06-07 07:27:28 +00:00
parent 958069575d
commit d51f075a4e
5 changed files with 41 additions and 22 deletions
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19
client.c
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@@ -1,4 +1,4 @@
/* $Id: client.c,v 1.28 2008-06-02 21:08:36 nicm Exp $ */
/* $Id: client.c,v 1.29 2008-06-07 07:27:28 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -51,11 +51,9 @@ client_init(const char *path, struct client_ctx *cctx, int start_server)
retries = 0;
retry:
if (stat(path, &sb) != 0) {
if (start_server && errno == ENOENT && retries < 10) {
if (pid == 0)
pid = server_start(path);
usleep(10000);
retries++;
if (start_server && errno == ENOENT) {
if (server_start(path) != 0)
goto no_start;
goto retry;
}
goto fail;
@@ -81,9 +79,8 @@ retry:
if (start_server && errno == ECONNREFUSED && retries < 10) {
if (unlink(path) != 0)
goto fail;
usleep(10000);
retries++;
goto retry;
if (server_start(path) != 0)
goto no_start;
}
goto fail;
}
@@ -112,6 +109,10 @@ retry:
return (0);
no_start:
log_warnx("server failed to start");
return (1);
fail:
log_warn("server not found");
return (1);