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 | macOS 14.6 |