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

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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
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