From 923cf7f40a7f1875874384b30a7c8dcb1f23467a Mon Sep 17 00:00:00 2001
From: Hirokazu Honda <hiroh@chromium.org>
Date: Wed, 1 Dec 2021 16:53:37 +0900
Subject: libcamera: base: Introduce ConditionVariable

ConditionVariable is alias to std::condition_variable. This replaces
std::condition_variable with the ConditionVariable. It enables
replacing ConditionVariable implementation easily in the following
patches.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 include/libcamera/base/semaphore.h | 4 +---
 include/libcamera/base/thread.h    | 2 ++
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'include')

diff --git a/include/libcamera/base/semaphore.h b/include/libcamera/base/semaphore.h
index ae87d319..ec05fad3 100644
--- a/include/libcamera/base/semaphore.h
+++ b/include/libcamera/base/semaphore.h
@@ -7,8 +7,6 @@
 
 #pragma once
 
-#include <condition_variable>
-
 #include <libcamera/base/private.h>
 #include <libcamera/base/thread.h>
 
@@ -26,7 +24,7 @@ public:
 
 private:
 	Mutex mutex_;
-	std::condition_variable cv_;
+	ConditionVariable cv_;
 	unsigned int available_;
 };
 
diff --git a/include/libcamera/base/thread.h b/include/libcamera/base/thread.h
index 32ebc80a..1ebf8363 100644
--- a/include/libcamera/base/thread.h
+++ b/include/libcamera/base/thread.h
@@ -7,6 +7,7 @@
 
 #pragma once
 
+#include <condition_variable>
 #include <memory>
 #include <mutex>
 #include <sys/types.h>
@@ -26,6 +27,7 @@ class Object;
 class ThreadData;
 class ThreadMain;
 
+using ConditionVariable = std::condition_variable;
 using Mutex = std::mutex;
 using MutexLocker = std::unique_lock<std::mutex>;
 
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