---
name: "std::condition_variable"
section: "3cxx"
platform: "linux"
package: "libstdc++-12-doc"
version: "12.4.0-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/std::condition_variable/3cxx"
---

# std::condition\_variable(3cxx)

condition\_variable

## NAME

std::condition\_variable - condition\_variable

## SYNOPSIS

`#include <condition_variable>`

### Public Types

**typedef** \_\_gthread\_cond\_t \* **native\_handle\_type**\

### Public Member Functions

**condition\_variable** (const **condition\_variable** &)=**delete**\
 native\_handle\_type **native\_handle** ()\
 **void** **notify\_all** () noexcept\
 **void** **notify\_one** () noexcept\
 **condition\_variable** & **operator=** (const **condition\_variable** &)=**delete**\
 **void** **wait** (**unique\_lock**\< **mutex** \> &**\_\_lock**)\
 template\<**typename** \_Predicate \> **void** **wait** (**unique\_lock**\< **mutex** \> &**\_\_lock**, \_Predicate \_\_p)\
 template\<**typename** \_Rep , **typename** **\_Period** \> **cv\_status** **wait\_for** (**unique\_lock**\< **mutex** \> &**\_\_lock**, const **chrono::duration**\< \_Rep, **\_Period** \> &**\_\_rtime**)\
 template\<**typename** \_Rep , **typename** **\_Period** , **typename** \_Predicate \> bool **wait\_for** (**unique\_lock**\< **mutex** \> &**\_\_lock**, const **chrono::duration**\< \_Rep, **\_Period** \> &**\_\_rtime**, \_Predicate \_\_p)\
 template\<**typename** **\_Clock** , **typename** **\_Duration** \> **cv\_status** **wait\_until** (**unique\_lock**\< **mutex** \> &**\_\_lock**, const **chrono::time\_point**\< **\_Clock**, **\_Duration** \> &**\_\_atime**)\
 template\<**typename** **\_Clock** , **typename** **\_Duration** , **typename** \_Predicate \> bool **wait\_until** (**unique\_lock**\< **mutex** \> &**\_\_lock**, const **chrono::time\_point**\< **\_Clock**, **\_Duration** \> &**\_\_atime**, \_Predicate \_\_p)\
 template\<**typename** **\_Duration** \> **cv\_status** **wait\_until** (**unique\_lock**\< **mutex** \> &**\_\_lock**, const **chrono::time\_point**\< **system\_clock**, **\_Duration** \> &**\_\_atime**)\

## Detailed Description

condition\_variable

## Author

Generated automatically by Doxygen for libstdc++ from the source code.