1 /*- 2 * Copyright (c) 2017 Dell EMC 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 #include <sys/param.h> 29 #include <sys/ptrace.h> 30 #include <sys/user.h> 31 32 #include <libprocstat.h> 33 34 #include "procstat.h" 35 36 void 37 procstat_ptlwpinfo(struct procstat *prstat, struct kinfo_proc *kipp __unused) 38 { 39 struct ptrace_lwpinfo *pl; 40 unsigned int count, i; 41 42 pl = procstat_getptlwpinfo(prstat, &count); 43 if (pl == NULL) 44 return; 45 46 if ((procstat_opts & PS_OPT_NOHEADER) == 0) 47 xo_emit( 48 "{T:/%6s %7s %5s %5s %5s %6s %5s} {[:/%d}{T:/%s}{]:} {T:/%s}\n", 49 "LWPID", "EVENT", "SIGNO", "CODE", "ERRNO", "PID", "UID", 50 2 * sizeof(void *) + 2, "ADDR", "TDNAME"); 51 52 xo_open_container("threads"); 53 for (i = 0; i < count; i++) { 54 xo_open_container("thread"); 55 xo_emit("{:lwpid/%6d} ", pl[i].pl_lwpid); 56 switch (pl[i].pl_event) { 57 case PL_EVENT_NONE: 58 xo_emit("{eq:event/none}{d:event/%7s} ", "none"); 59 break; 60 case PL_EVENT_SIGNAL: 61 xo_emit("{eq:event/signal}{d:event/%7s} ", "signal"); 62 break; 63 default: 64 xo_emit("{eq:event/unknown}{d:event/%7s} ", "?"); 65 break; 66 } 67 if ((pl[i].pl_flags & PL_FLAG_SI) != 0) { 68 siginfo_t *si; 69 70 si = &pl[i].pl_siginfo; 71 xo_emit("{:signal_number/%5d} ", si->si_signo); 72 xo_emit("{:code/%5d} ", si->si_code); 73 xo_emit("{:signal_errno/%5d} ", si->si_errno); 74 xo_emit("{:process_id/%6d} ", si->si_pid); 75 xo_emit("{:user_id/%5d} ", si->si_uid); 76 xo_emit("{[:/%d}{:address/%p}{]:} ", 77 2 * sizeof(void *) + 2, si->si_addr); 78 } else { 79 xo_emit("{:signal_number/%5s} ", "-"); 80 xo_emit("{:code/%5s} ", "-"); 81 xo_emit("{:signal_errno/%5s} ", "-"); 82 xo_emit("{:process_id/%6s} ", "-"); 83 xo_emit("{:user_id/%5s} ", "-"); 84 xo_emit("{[:/%d}{:address/%s}{]:} ", 85 2 * sizeof(void *) + 2, "-"); 86 } 87 xo_emit("{:tdname/%s}\n", pl[i].pl_tdname); 88 xo_close_container("thread"); 89 } 90 xo_close_container("threads"); 91 92 procstat_freeptlwpinfo(prstat, pl); 93 } 94