NAME
pthread_threadid_np – get the calling thread's unique ID
SYNOPSIS
#include <pthread.h>
int
pthread_threadid_np(pthread_t thread, uint64_t *thread_id);
DESCRIPTION
The pthread_threadid_np() function stores the system-wide unique integral ID of thread in the location spedified by thread_id. If thread is NULL, the ID of the current thread is provided.
RETURN VALUES
If successful, the pthread_threadid_np() function will return zero. Otherwise an error number will be returned to indicate the error.
ERRORS
The pthread_threadid_np() function will fail if:
- [EINVAL]
-
NULL value for thread_id.
- [ESRCH]
-
Non-existent thread thread.