NAME

pthread_self — get the calling thread ID

SYNOPSIS

#include <pthread.h>

pthread_t pthread_self(void);


DESCRIPTION

The pthread_self() function shall return the thread ID of the calling thread.

RETURN VALUE

The pthread_self() function shall always be successful and no return value is reserved to indicate an error.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

The pthread_self() function provides a capability similar to the getpid() function for processes and the rationale is the same: the creation call does not provide the thread ID to the created thread.

FUTURE DIRECTIONS

None.

SEE ALSO

pthread_create, pthread_equal

XBD <pthread.h>

CHANGE HISTORY

First released in Issue 5. Included for alignment with the POSIX Threads Extension.

Issue 6

The pthread_self() function is marked as part of the Threads option.

Issue 7

Austin Group Interpretation 1003.1-2001 #063 is applied, updating the RETURN VALUE section.

The pthread_self() function is moved from the Threads option to the Base.