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.
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 ALSO
pthread_key_create(3), pthread_key_delete(3), pthread_setspecific(3)
STANDARDS
The pthread_getspecific() function
conforms to ISO/IEC 9945-1:1996
(“POSIX.1”).