diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2021-04-30 11:30:21 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2021-04-30 11:30:21 +0300 |
| commit | 548a4c3ca43543e66ec91df799379bc67a92804a (patch) | |
| tree | 0605b2895f97c256d2d877cb0d329f9793b761e3 | |
| parent | 4f89f24fbeb5ccfbd7077878a5342bf62f722917 (diff) | |
Cygwin: POSIX mq: avoid double calls to ipc_mutex_unlock
_mq_send as well as _mq_receive call ipc_mutex_unlock twice in case
of success, after having introduced __try/__except blocks.
Fixes: 3f3bd10104550 ("* Throughout, use __try/__except/__endtry blocks, rather than myfault handler.")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
| -rw-r--r-- | winsup/cygwin/posix_ipc.cc | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/winsup/cygwin/posix_ipc.cc b/winsup/cygwin/posix_ipc.cc index c6a003c37..89ec7dbef 100644 --- a/winsup/cygwin/posix_ipc.cc +++ b/winsup/cygwin/posix_ipc.cc @@ -886,7 +886,6 @@ _mq_send (mqd_t mqd, const char *ptr, size_t len, unsigned int prio, ipc_cond_signal (mqinfo->mqi_waitrecv); attr->mq_curmsgs++; - ipc_mutex_unlock (mqinfo->mqi_lock); ret = 0; } __except (EBADF) {} @@ -986,8 +985,6 @@ _mq_receive (mqd_t mqd, char *ptr, size_t maxlen, unsigned int *priop, if (attr->mq_curmsgs == attr->mq_maxmsg) ipc_cond_signal (mqinfo->mqi_waitsend); attr->mq_curmsgs--; - - ipc_mutex_unlock (mqinfo->mqi_lock); } __except (EBADF) {} __endtry |