| PTHREAD_GETSPECIFIC(3) | Library Functions Manual | PTHREAD_GETSPECIFIC(3) |
pthread_getspecific —
get a thread-specific data value
#include
<pthread.h>
void *
pthread_getspecific(pthread_key_t
key);
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.
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.
None.
pthread_key_create(3), pthread_key_delete(3), pthread_setspecific(3)
The pthread_getspecific() function
conforms to ISO/IEC 9945-1:1996
(“POSIX.1”).
| April 4, 1996 | Mac OS X 12 |