diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2015-11-12 15:14:08 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2015-11-12 15:14:08 +0300 |
| commit | 914620a7e6be4011fadebc7e1f23ed1d0e9ed4d7 (patch) | |
| tree | bdc0976e58dbca0f4765b1afa34b5518940de44d /winsup/cygwin/flock.cc | |
| parent | e6459123e497409a9e3d845c39829a9602ba55a4 (diff) | |
flock: Fix hang in object collision case
* flock.cc (lockf_t::create_lock_obj): Correctly recreate lock object
attributes anew in each loop.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup/cygwin/flock.cc')
| -rw-r--r-- | winsup/cygwin/flock.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/winsup/cygwin/flock.cc b/winsup/cygwin/flock.cc index 0ac55485b..f7c04c8e1 100644 --- a/winsup/cygwin/flock.cc +++ b/winsup/cygwin/flock.cc @@ -766,12 +766,12 @@ lockf_t::create_lock_obj () { lockfattr_t attr; NTSTATUS status; + PSECURITY_DESCRIPTOR sd_buf = alloca (SD_MIN_SIZE); POBJECT_ATTRIBUTES lock_obj_attr; - lock_obj_attr = create_lock_obj_attr (&attr, OBJ_INHERIT, - alloca (SD_MIN_SIZE)); do { + lock_obj_attr = create_lock_obj_attr (&attr, OBJ_INHERIT, sd_buf); status = NtCreateEvent (&lf_obj, CYG_EVENT_ACCESS, lock_obj_attr, NotificationEvent, FALSE); if (!NT_SUCCESS (status)) |