PTHREAD_GETSPECIFIC(3) Library Functions Manual PTHREAD_GETSPECIFIC(3)

pthread_getspecificget a thread-specific data value

#include <pthread.h>

void *
pthread_getspecific(pthread_key_t key);

The () function returns the value currently bound to the specified key on behalf of the calling thread.

The effect of calling () with a key value not obtained from () or after key has been deleted with () is undefined.

The () 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