diff options
| author | Elizabeth Figura <zfigura@codeweavers.com> | 2024-12-13 13:34:47 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-08 13:18:10 +0100 |
| commit | 31ca7bb8e8539b454414a2c4f8ad643c939cb0cf (patch) | |
| tree | 19ff4ee4134ea8b647c221ba6f35f1a43cbd3777 /include/uapi/linux | |
| parent | 5bc2479a3585be35ea32e431bc82282bbf5a5d5b (diff) | |
ntsync: Introduce NTSYNC_IOC_MUTEX_UNLOCK.
This corresponds to the NT syscall NtReleaseMutant().
This syscall decrements the mutex's recursion count by one, and returns the
previous value. If the mutex is not owned by the current task, the function
instead fails and returns -EPERM.
Signed-off-by: Elizabeth Figura <zfigura@codeweavers.com>
Link: https://lore.kernel.org/r/20241213193511.457338-7-zfigura@codeweavers.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/ntsync.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/ntsync.h b/include/uapi/linux/ntsync.h index bb7fb94f5856..9186304b253c 100644 --- a/include/uapi/linux/ntsync.h +++ b/include/uapi/linux/ntsync.h @@ -40,5 +40,6 @@ struct ntsync_wait_args { #define NTSYNC_IOC_CREATE_MUTEX _IOW ('N', 0x84, struct ntsync_mutex_args) #define NTSYNC_IOC_SEM_RELEASE _IOWR('N', 0x81, __u32) +#define NTSYNC_IOC_MUTEX_UNLOCK _IOWR('N', 0x85, struct ntsync_mutex_args) #endif |