Statistics
| Branch: | Revision:

scoutos / prex-0.9.0 / usr / sbin / ktrace / ktrace.c @ 03e9c04a

History | View | Annotate | Download (2.17 KB)

1
/*
2
 * Copyright (c) 2009, Kohsuke Ohtani
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
 * 3. Neither the name of the author nor the names of any co-contibutors
14
 *    may be used to endorse or promote products derived from this software
15
 *    without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27
 * SUCH DAMAGE.
28
 */
29

    
30
/*
31
 * ktrace.c - system call trace utility.
32
 */
33

    
34
#include <sys/prex.h>
35
#include <ipc/ipc.h>
36
#include <ipc/proc.h>
37
#include <unistd.h>
38
#include <errno.h>
39
#include <stdio.h>
40
#include <stdlib.h>
41
#include <string.h>
42

    
43
int
44
main(int argc, char *argv[])
45
{
46
        struct msg m;
47
        object_t obj;
48

    
49
        if (argc < 2 || !strncmp(argv[1], "-?", 2)) {
50
                fputs("usage: ktrace command\n", stderr);
51
                exit(1);
52
        }
53

    
54
        /*
55
         * Set trace flag for current process.
56
         */
57
        if (object_lookup("!proc", &obj) != 0) {
58
                fputs("No process server found\n", stderr);
59
                exit(1);
60
        }
61
        m.hdr.code = PS_TRACE;
62
        msg_send(obj, &m, sizeof(m));
63

    
64
        /*
65
         * Execute command.
66
         */
67
        execvp(argv[1], &argv[2]);
68

    
69
        return 0;
70
}