1 /* 2 * Copyright 2001 Jamey Wood 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #include <sys/queue.h> 29 30 #define FOLLOWFORKS 0x00000001 31 #define RELATIVETIMESTAMPS 0x00000002 32 #define ABSOLUTETIMESTAMPS 0x00000004 33 #define NOSIGS 0x00000008 34 #define EXECVEARGS 0x00000010 35 #define EXECVEENVS 0x00000020 36 #define COUNTONLY 0x00000040 37 38 struct threadinfo 39 { 40 SLIST_ENTRY(threadinfo) entries; 41 lwpid_t tid; 42 int in_syscall; 43 int in_fork; 44 }; 45 46 struct trussinfo 47 { 48 int pid; 49 int flags; 50 int pr_why; 51 int pr_data; 52 int strsize; 53 FILE *outfile; 54 55 struct timespec start_time; 56 struct timespec before; 57 struct timespec after; 58 59 struct threadinfo *curthread; 60 61 SLIST_HEAD(, threadinfo) threadlist; 62 }; 63 64 #define timespecsubt(tvp, uvp, vvp) \ 65 do { \ 66 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 67 (vvp)->tv_nsec = (tvp)->tv_nsec - (uvp)->tv_nsec; \ 68 if ((vvp)->tv_nsec < 0) { \ 69 (vvp)->tv_sec--; \ 70 (vvp)->tv_nsec += 1000000000; \ 71 } \ 72 } while (0) 73 74 #define timespecadd(tvp, uvp, vvp) \ 75 do { \ 76 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 77 (vvp)->tv_nsec = (tvp)->tv_nsec + (uvp)->tv_nsec; \ 78 if ((vvp)->tv_nsec > 1000000000) { \ 79 (vvp)->tv_sec++; \ 80 (vvp)->tv_nsec -= 1000000000; \ 81 } \ 82 } while (0) 83 84 #define S_NONE 0 85 #define S_SCE 1 86 #define S_SCX 2 87 #define S_EXIT 3 88 #define S_SIG 4 89 #define S_EXEC 5 90