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NetBSD 6.1.5 - man page for _lwp_wait (netbsd section 2)

_LWP_WAIT(2)			     BSD System Calls Manual			     _LWP_WAIT(2)

NAME
     _lwp_wait -- wait for light-weight process termination

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <lwp.h>

     int
     _lwp_wait(lwpid_t wlwp, lwpid_t *rlwp);

DESCRIPTION
     _lwp_wait() suspends execution of the calling LWP until the LWP specified by wlwp termi-
     nates.  The specified LWP must not be detached.  If wlwp is 0, then _lwp_wait() waits for
     any undetached LWP in the current process.

     If rlwp is not NULL, then it points to the location where the LWP ID of the exited LWP is
     stored.

RETURN VALUES
     Upon successful completion, _lwp_wait() returns a value of 0.  Otherwise, an error code is
     returned to indicate the error.

ERRORS
     _lwp_wait() will fail if:

     [ESRCH]	No undetached LWP can be found in the current process corresponding to that spec-
		ified by wlwp.

     [EDEADLK]	The calling LWP is the only LWP in the process.

     [EDEADLK]	The LWP ID specified by wlwp is the LWP ID of the calling LWP.

     [EINTR]	_lwp_wait() was interrupted by a caught signal, or the signal did not have the
		SA_RESTART flag set.

SEE ALSO
     _lwp_create(2), _lwp_exit(2)

HISTORY
     The _lwp_wait() system call first appeared in NetBSD 2.0.

BSD					 January 13, 2003				      BSD


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