The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.

NAME

pthread_self - get the calling thread ID

SYNOPSIS

[THR] [Option Start] #include <pthread.h>

pthread_t pthread_self(void); [Option End]

DESCRIPTION

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

RETURN VALUE

Refer to the DESCRIPTION.

ERRORS

No errors are defined.

The pthread_self() function shall not return an error code of [EINTR].

The following sections are informative.

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(), the Base Definitions volume of IEEE Std 1003.1-2001, <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.

End of informative text.
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