PTHREAD_KEY_DELETE(3C)PTHREAD_KEY_DELETE(3C)NAMEpthread_key_delete - delete thread-specific data key
SYNOPSIS
cc -mt [ flag... ] file... -lpthread [ library... ]
#include <pthread.h>
int pthread_key_delete(pthread_key_t key);
DESCRIPTION
The pthread_key_delete() function deletes a thread-specific data key
previously returned by pthread_key_create(). The thread-specific data
values associated with key need not be NULL at the time
pthread_key_delete() is called. It is the responsibility of the appli‐
cation to free any application storage or perform any cleanup actions
for data structures related to the deleted key or associated thread-
specific data in any threads; this cleanup can be done either before or
after pthread_key_delete() is called. Any attempt to use key following
the call to pthread_key_delete() results in undefined behaviour.
The pthread_key_delete() function is callable from within destructor
functions. No destructor functions will be invoked by
pthread_key_delete(). Any destructor function that may have been asso‐
ciated with key will no longer be called upon thread exit.
RETURN VALUES
If successful, the pthread_key_delete() function returns 0. Other‐
wise, an error number is returned to indicate the error.
ERRORS
The pthread_key_delete() function may fail if:
EINVAL
The key value is invalid.
The pthread_key_delete() function will not return an error code of
EINTR.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌────────────────────┬─────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼─────────────────┤
│Interface Stability │ Standard │
├────────────────────┼─────────────────┤
│MT-Level │ MT-Safe │
└────────────────────┴─────────────────┘
SEE ALSOpthread_key_create(3C), attributes(5), standards(5)
Mar 23, 2005 PTHREAD_KEY_DELETE(3C)
