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

_LWP_WAKEUP(2)			     BSD System Calls Manual			   _LWP_WAKEUP(2)

NAME
     _lwp_wakeup -- make a blocked light-weight process runnable

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <lwp.h>

     int
     _lwp_wakeup(lwpid_t lwp);

DESCRIPTION
     _lwp_wakeup() makes a blocked LWP runnable.  The blocked LWP must be in LSSLEEP state.
     Unblocking the LWP does not guarantee that it will make progress; it may block again as soon
     as it resumes execution in the kernel.

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

ERRORS
     _lwp_wakeup() will fail if:

     [ESRCH]   No LWP can be found in the current process corresponding to that specified by lwp.

     [ENODEV]  The specified LWP is not in LSSLEEP state.

     [EBUSY]   The specified LWP is blocked in an uninterruptible sleep.

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

BSD					 January 13, 2003				      BSD


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