NAME
_lwp_suspend,
_lwp_continue —
suspend or continue a light-weight
process
LIBRARY
library “libc”
SYNOPSIS
#include
<lwp.h>
int
_lwp_suspend(lwpid_t
lwp);
int
_lwp_continue(lwpid_t
lwp);
DESCRIPTION
_lwp_suspend()
suspends execution of the LWP specified by lwp. Once an
LWP is suspended, subsequent calls to _lwp_suspend()
have no effect. The only way to resume execution of a suspended LWP is via
_lwp_continue().
_lwp_continue()
resumes execution of the LWP specified by lwp. Once an
LWP is resumed, subsequent calls to _lwp_continue()
have no effect.
RETURN VALUES
Upon successful completion, _lwp_suspend()
and _lwp_continue() return a value of 0. Otherwise,
an error code is returned to indicate the error.
ERRORS
_lwp_suspend() and
_lwp_continue() will fail if:
- [
ESRCH] - No LWP can be found in the current process corresponding to that specified by lwp.
_lwp_suspend() will fail if:
- [
EDEADLK] - The LWP specified by lwp is the only LWP in the process.
SEE ALSO
HISTORY
The _lwp_create() system call first
appeared in NetBSD 2.0.