1 /* $NetBSD: sys_process_lwpstatus.c,v 1.1 2020/01/04 03:46:19 kamil Exp $ */ 2 3 /*- 4 * Copyright (c) 2019 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: sys_process_lwpstatus.c,v 1.1 2020/01/04 03:46:19 kamil Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/errno.h> 35 #include <sys/lwp.h> 36 #include <sys/ptrace.h> 37 38 39 void 40 ptrace_read_lwpstatus(struct lwp *l, struct ptrace_lwpstatus *pls) 41 { 42 43 KASSERT(l->l_lid == pls->pl_lwpid); 44 45 memcpy(&pls->pl_sigmask, &l->l_sigmask, sizeof(pls->pl_sigmask)); 46 memcpy(&pls->pl_sigpend, &l->l_sigpend.sp_set, sizeof(pls->pl_sigpend)); 47 48 if (l->l_name == NULL) 49 memset(&pls->pl_name, 0, PL_LNAMELEN); 50 else { 51 KASSERT(strlen(l->l_name) < PL_LNAMELEN); 52 strncpy(pls->pl_name, l->l_name, PL_LNAMELEN); 53 } 54 55 #ifdef PTRACE_LWP_GETPRIVATE 56 pls->pl_private = (void *)(intptr_t)PTRACE_LWP_GETPRIVATE(l); 57 #else 58 pls->pl_private = l->l_private; 59 #endif 60 } 61 62 void 63 process_read_lwpstatus(struct lwp *l, struct ptrace_lwpstatus *pls) 64 { 65 66 pls->pl_lwpid = l->l_lid; 67 68 ptrace_read_lwpstatus(l, pls); 69 } 70