January 13, 2003 _LWP_SELF 2

### NAME

_lwp_self - get light-weight process identification

### LIBRARY

Standard C Library (libc, -lc)

### SYNOPSIS

```lwpid_t` _lwp_self(```void`)

### DESCRIPTION

_lwp_self(``) returns the LWP ID of the calling LWP.

### ERRORS

The _lwp_self(``) function is always successful, and no return value is reserved to indicate an error.

### SEE ALSO

_lwp_create(2)

### HISTORY

The _lwp_self(``) system call first appeared in NetBSD2.0.