mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-06-02 21:39:24 +00:00
4e30798ac7
It's usually a mistake if creating one of these and immediately dropping them again as that would immediately unlock the mutex again.
32 lines
935 B
Rust
32 lines
935 B
Rust
// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
use glib::translate::mut_override;
|
|
use glib_sys;
|
|
|
|
#[must_use = "if unused the Mutex will immediately unlock"]
|
|
pub struct MutexGuard<'a>(&'a glib_sys::GMutex);
|
|
|
|
impl<'a> MutexGuard<'a> {
|
|
#[allow(clippy::trivially_copy_pass_by_ref)]
|
|
pub fn lock(mutex: &'a glib_sys::GMutex) -> Self {
|
|
unsafe {
|
|
glib_sys::g_mutex_lock(mut_override(mutex));
|
|
}
|
|
MutexGuard(mutex)
|
|
}
|
|
}
|
|
|
|
impl<'a> Drop for MutexGuard<'a> {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
glib_sys::g_mutex_unlock(mut_override(self.0));
|
|
}
|
|
}
|
|
}
|