NetBSD/sys/kern/sys_process_lwpstatus.c

70 lines
2.3 KiB
C

/* $NetBSD: sys_process_lwpstatus.c,v 1.1 2020/01/04 03:46:19 kamil Exp $ */
/*-
* Copyright (c) 2019 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sys_process_lwpstatus.c,v 1.1 2020/01/04 03:46:19 kamil Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/lwp.h>
#include <sys/ptrace.h>
void
ptrace_read_lwpstatus(struct lwp *l, struct ptrace_lwpstatus *pls)
{
KASSERT(l->l_lid == pls->pl_lwpid);
memcpy(&pls->pl_sigmask, &l->l_sigmask, sizeof(pls->pl_sigmask));
memcpy(&pls->pl_sigpend, &l->l_sigpend.sp_set, sizeof(pls->pl_sigpend));
if (l->l_name == NULL)
memset(&pls->pl_name, 0, PL_LNAMELEN);
else {
KASSERT(strlen(l->l_name) < PL_LNAMELEN);
strncpy(pls->pl_name, l->l_name, PL_LNAMELEN);
}
#ifdef PTRACE_LWP_GETPRIVATE
pls->pl_private = (void *)(intptr_t)PTRACE_LWP_GETPRIVATE(l);
#else
pls->pl_private = l->l_private;
#endif
}
void
process_read_lwpstatus(struct lwp *l, struct ptrace_lwpstatus *pls)
{
pls->pl_lwpid = l->l_lid;
ptrace_read_lwpstatus(l, pls);
}