---
name: "pthread_cond_destroy"
section: "3"
platform: "macos"
package: "libpthread"
version: "539.100.4"
release: "macOS 26.5"
platforms: ["linux", "freebsd", "macos"]
url: "https://new.carta.tech/pthread_cond_destroy"
---

# pthread\_cond\_destroy(3)

destroy a condition variable

## NAME

**pthread\_cond\_destroy** – destroy a condition variable

## SYNOPSIS

**#include \<pthread.h\>**

*int*\

**pthread\_cond\_destroy**(*pthread\_cond\_t \*cond*);

## DESCRIPTION

The **pthread\_cond\_destroy**() function frees the resources allocated by the condition variable *cond*.

## RETURN VALUES

If successful, the **pthread\_cond\_destroy**() function will return zero, otherwise an error number will be returned to indicate the error.

## ERRORS

The **pthread\_cond\_destroy**() function will fail if:

- \[EINVAL\]

  The value specified by *cond* is invalid.

- \[EBUSY\]

  The variable *cond* is locked by another thread.

## SEE ALSO

[pthread\_cond\_broadcast(3)](/pthread_cond_broadcast/3.md), [pthread\_cond\_init(3)](/pthread_cond_init/3.md), [pthread\_cond\_signal(3)](/pthread_cond_signal/3.md), [pthread\_cond\_timedwait(3)](/pthread_cond_timedwait/3.md), [pthread\_cond\_wait(3)](/pthread_cond_wait/3.md)

## STANDARDS

The **pthread\_cond\_destroy**() function conforms to ISO/IEC 9945-1:1996 (“POSIX.1”).