_LWP_SUSPEND(2) BSD System Calls Manual _LWP_SUSPEND(2)NAME
_lwp_suspend, _lwp_continue — suspend or continue a light-weight process
LIBRARY
Standard C Library (libc, -lc)
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_lwp_create(2)HISTORY
The _lwp_create() system call first appeared in NetBSD 2.0.
BSD January 13, 2003 BSD