PTHREAD_GETSPECIFIC(3) BSD Library Functions Manual PTHREAD_GETSPECIFIC(3)NAME
pthread_getspecific — get a thread-specific data value
LIBRARY
POSIX Threads Library (libpthread, -lpthread)
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.
The pthread_getspecific() function 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 ALSOpthread_key_create(3), pthread_key_delete(3), pthread_setspecific(3)STANDARDS
The pthread_getspecific() function conforms to ISO/IEC 9945-1:1996
(“POSIX.1”).
BSD April 4, 1996 BSD