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Command: _lwp_wakeup | Section: 2 | Source: NetBSD | File: _lwp_wakeup.2
_LWP_WAKEUP(2) FreeBSD 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
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.
FreeBSD 14.1-RELEASE-p8 December 4, 2022 FreeBSD 14.1-RELEASE-p8