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Command: pthread_getspecific | Section: 3 | Source: OpenBSD | File: pthread_getspecific.3
PTHREAD_GETSPECIFIC(3) FreeBSD Library Functions Manual
NAME
pthread_getspecific - get a thread-specific data value
SYNOPSIS
#include <pthread.h>
void *
pthread_getspecific(pthread_key_t key);
DESCRIPTION
The pthread_getspecific() function returns the value currently bound to
the specified key on behalf of the calling thread.
The effect of calling pthread_getspecific() with a key value not obtained
from pthread_key_create() or after key has been deleted with
pthread_key_delete() is undefined.
pthread_getspecific() may be called from a thread-specific data
destructor function.
RETURN VALUES
The pthread_getspecific() function will return the thread-specific data
value associated with the given key. If no thread-specific data value is
associated with key, then the value NULL is returned.
ERRORS
None.
SEE ALSO
pthread_key_create(3), pthread_key_delete(3), pthread_setspecific(3)
STANDARDS
pthread_getspecific() conforms to ISO/IEC 9945-1:1996 ("POSIX.1").
FreeBSD 14.1-RELEASE-p8 June 5, 2013 FreeBSD 14.1-RELEASE-p8