freebsd-dev/usr.bin/truss/truss.h
Xin LI 5d2d083c92 Make use of ptrace(2) instead of procfs in truss(1), eliminating
yet another need of an available /proc/ mount.

Tested with:	make universe
Submitted by:	howardsu
Reviewed by:	alfred
2007-04-10 04:03:34 +00:00

79 lines
2.3 KiB
C

/*
* Copryight 2001 Jamey Wood
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/queue.h>
#define FOLLOWFORKS 0x00000001
#define RELATIVETIMESTAMPS 0x00000002
#define ABSOLUTETIMESTAMPS 0x00000004
#define NOSIGS 0x00000008
#define EXECVEARGS 0x00000010
#define EXECVEENVS 0x00000020
struct threadinfo
{
SLIST_ENTRY(threadinfo) entries;
lwpid_t tid;
int in_syscall;
int in_fork;
};
struct trussinfo
{
int pid;
int flags;
int pr_why;
int pr_data;
int strsize;
FILE *outfile;
struct timespec start_time;
struct timespec before;
struct timespec after;
struct threadinfo *curthread;
SLIST_HEAD(, threadinfo) threadlist;
};
#define timespecsubt(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_nsec = (tvp)->tv_nsec - (uvp)->tv_nsec; \
if ((vvp)->tv_nsec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_nsec += 1000000000; \
} \
} while (0)
#define S_NONE 0
#define S_SCE 1
#define S_SCX 2
#define S_EXIT 3
#define S_SIG 4
#define S_EXEC 5