Mercurial > urweb
changeset 689:b6a8425e1b1f
Make sure only one pull request runs at a time for each client
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Thu, 02 Apr 2009 13:48:59 -0400 (2009-04-02) |
parents | 829887ca47a6 |
children | 01b6f2ee2ef0 |
files | src/c/urweb.c |
diffstat | 1 files changed, 5 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/src/c/urweb.c Thu Apr 02 13:31:13 2009 -0400 +++ b/src/c/urweb.c Thu Apr 02 13:48:59 2009 -0400 @@ -94,7 +94,7 @@ usage mode; int pass; struct client *next; - pthread_mutex_t lock; + pthread_mutex_t lock, pull_lock; buf msgs; int sock; time_t last_contact; @@ -125,6 +125,7 @@ c = malloc(sizeof(client)); c->id = n_clients-1; pthread_mutex_init(&c->lock, NULL); + pthread_mutex_init(&c->pull_lock, NULL); buf_init(&c->msgs, 0); clients[n_clients-1] = c; } @@ -151,12 +152,15 @@ pthread_mutex_lock(&c->lock); ++c->refcount; pthread_mutex_unlock(&c->lock); + pthread_mutex_lock(&c->pull_lock); } static void release_client(client *c) { + pthread_mutex_unlock(&c->pull_lock); pthread_mutex_lock(&c->lock); --c->refcount; pthread_mutex_unlock(&c->lock); + } static const char begin_msgs[] = "HTTP/1.1 200 OK\r\nContent-type: text/plain\r\n\r\n";