2 * Copyright (c) 2017 The strace developers.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef STRACE_TRACE_EVENT_H
29 #define STRACE_TRACE_EVENT_H
31 /* Possible trace event loop states. Returned by next_event() and dispatched by
32 * dispatch_event(). */
34 /* Break the main loop. */
37 /* Call next_event() again. */
40 /* Restart the tracee with signal 0 and call next_event() again. */
44 * For all the events below, current_tcp is set to current tracee's
45 * tcb. All the suggested actions imply that you want to continue
46 * tracing of the current tracee; alternatively, you can detach it.
50 * Syscall entry or exit.
51 * Restart the tracee with signal 0, or with an injected signal number.
56 * Tracee received signal with number WSTOPSIG(*pstatus); signal info
57 * is written to *si. Restart the tracee (with that signal number
58 * if you want to deliver it).
60 TE_SIGNAL_DELIVERY_STOP,
63 * Tracee was killed by a signal with number WTERMSIG(*pstatus).
68 * Tracee was stopped by a signal with number WSTOPSIG(*pstatus).
69 * Restart the tracee with that signal number.
74 * Tracee exited with status WEXITSTATUS(*pstatus).
79 * Tracee is going to perform execve().
80 * Restart the tracee with signal 0.
82 TE_STOP_BEFORE_EXECVE,
85 * Tracee is going to terminate.
86 * Restart the tracee with signal 0.
91 #endif /* !STRACE_TRACE_EVENT_H */