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_LWP_UNPARK(2) BSD System Calls Manual _LWP_UNPARK(2)
NAME
_lwp_unpark -- resume execution of a waiting LWP
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <lwp.h>
int
_lwp_unpark(lwpid_t lwp, const void *hint);
DESCRIPTION
_lwp_unpark() resumes execution of the light-weight process lwp.
The target LWP is assumed to be waiting in the kernel as a result of a call to _lwp_park(). If the target LWP is not currently waiting, it
will return immediately upon the next call to _lwp_park().
See _lwp_park(2) for a description of the hint argument.
RETURN VALUES
A 0 value indicates that the call succeeded. A -1 return value indicates an error occurred and errno is set to indicate the reason.
ERRORS
[ESRCH] No LWP can be found in the current process corresponding to that specified by lwp.
SEE ALSO
_lwp_park(2), _lwp_unpark_all(2), _lwp_wakeup(2)
HISTORY
The _lwp_unpark() system call first appeared in NetBSD 5.0.
BSD
January 20, 2007 BSD