search for: use_pthread

Hi all, I think this is a serious bug, existing in the pvops 2.6.31.13 (also existing in linux 2.6.35); In the xenbus driver (drivers/xen/xenfs/xenbus.c), the function of xenbus_file_read has a section of source code like this: if (ret != sz) { if (i == 0) i = -EFAULT; goto out; } /* Clear

A pair of patches to the xenstore library that: 1) blocks signal delivery before creating the watch wakeup thread 2) reduces the stack size of the watch wakeup thread.

...? */ + bool unwatch_filter; }; #define mutex_lock(m) ((void)0) @@ -247,6 +251,8 @@ static struct xs_handle *get_handle(const char *connect_to) /* Watch pipe is allocated on demand in xs_fileno(). */ h->watch_pipe[0] = h->watch_pipe[1] = -1; + h->unwatch_filter = false; + #ifdef USE_PTHREAD pthread_mutex_init(&h->watch_mutex, NULL); pthread_cond_init(&h->watch_condvar, NULL); @@ -287,6 +293,9 @@ struct xs_handle *xs_open(unsigned long flags) if (!xsh && !(flags & XS_OPEN_SOCKETONLY)) xsh = get_handle(xs_domain_dev()); + if (xsh && (flags &a...

...? */ + bool unwatch_filter; }; #define mutex_lock(m) ((void)0) @@ -247,6 +251,8 @@ static struct xs_handle *get_handle(const char *connect_to) /* Watch pipe is allocated on demand in xs_fileno(). */ h->watch_pipe[0] = h->watch_pipe[1] = -1; + h->unwatch_filter = false; + #ifdef USE_PTHREAD pthread_mutex_init(&h->watch_mutex, NULL); pthread_cond_init(&h->watch_condvar, NULL); @@ -287,6 +293,9 @@ struct xs_handle *xs_open(unsigned long flags) if (!xsh && !(flags & XS_OPEN_SOCKETONLY)) xsh = get_handle(xs_domain_dev()); + if (xsh && (flags &a...

...tion? */ + bool unwatch_safe; }; #define mutex_lock(m) ((void)0) @@ -247,6 +251,8 @@ static struct xs_handle *get_handle(const char *connect_to) /* Watch pipe is allocated on demand in xs_fileno(). */ h->watch_pipe[0] = h->watch_pipe[1] = -1; + h->unwatch_safe = false; + #ifdef USE_PTHREAD pthread_mutex_init(&h->watch_mutex, NULL); pthread_cond_init(&h->watch_condvar, NULL); @@ -287,6 +293,9 @@ struct xs_handle *xs_open(unsigned long flags) if (!xsh && !(flags & XS_OPEN_SOCKETONLY)) xsh = get_handle(xs_domain_dev()); + if (xsh && (flags &a...