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_LWP_WAKEUP(2) 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. NetBSD 7.1.2 January 13, 2003 NetBSD 7.1.2