NAME
_lwp_wakeup
- make a blocked light-weight process runnable
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
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
NetBSD2.0.