diff options
Diffstat (limited to 'tools/xenstore/xs.c')
| -rw-r--r-- | tools/xenstore/xs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/xenstore/xs.c b/tools/xenstore/xs.c index f141066efc..e12a4a3ca0 100644 --- a/tools/xenstore/xs.c +++ b/tools/xenstore/xs.c @@ -705,11 +705,18 @@ bool xs_watch(struct xs_handle *h, const char *path, const char *token) /* We dynamically create a reader thread on demand. */ mutex_lock(&h->request_mutex); if (!h->read_thr_exists) { + sigset_t set, old_set; + + sigfillset(&set); + pthread_sigmask(SIG_SETMASK, &set, &old_set); + if (pthread_create(&h->read_thr, NULL, read_thread, h) != 0) { + pthread_sigmask(SIG_SETMASK, &old_set, NULL); mutex_unlock(&h->request_mutex); return false; } h->read_thr_exists = 1; + pthread_sigmask(SIG_SETMASK, &old_set, NULL); } mutex_unlock(&h->request_mutex); #endif |