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Man Pages


Manual Reference Pages  -  PTHREAD_KEY_DELETE (3)

NAME

pthread_key_delete - delete a thread-specific data key

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards

LIBRARY


.Lb libpthread

SYNOPSIS


.In 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 that pthread_key_delete is called. It is the responsibility of the application 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 behavior.

The pthread_key_delete function is callable from within destructor functions. Destructor functions are not invoked by pthread_key_delete. Any destructor function that may have been associated with key will no longer be called upon thread exit.

RETURN VALUES

If successful, the pthread_key_delete function will return zero. Otherwise an error number will be returned to indicate the error.

ERRORS

The pthread_key_delete function will fail if:
[EINVAL]
  The key value is invalid.

SEE ALSO

pthread_getspecific(3), pthread_key_create(3), pthread_setspecific(3)

STANDARDS

The pthread_key_delete function conforms to -p1003.1-96.
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