forked from mirrors/gstreamer-rs
b21f576430
It's usually a mistake if creating one of these and immediately dropping them again as that would immediately unlock the mutex again.
31 lines
935 B
Rust
31 lines
935 B
Rust
// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use glib::translate::mut_override;
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use glib_sys;
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#[must_use = "if unused the Mutex will immediately unlock"]
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pub struct MutexGuard<'a>(&'a glib_sys::GMutex);
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impl<'a> MutexGuard<'a> {
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#[allow(clippy::trivially_copy_pass_by_ref)]
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pub fn lock(mutex: &'a glib_sys::GMutex) -> Self {
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unsafe {
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glib_sys::g_mutex_lock(mut_override(mutex));
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}
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MutexGuard(mutex)
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}
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}
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impl<'a> Drop for MutexGuard<'a> {
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fn drop(&mut self) {
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unsafe {
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glib_sys::g_mutex_unlock(mut_override(self.0));
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}
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}
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}
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