Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
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* Copyright (c) 2017 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#ifndef STRACE_TRACE_EVENT_H
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#define STRACE_TRACE_EVENT_H
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/* Possible trace event loop states. Returned by next_event() and dispatched by
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* dispatch_event(). */
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enum trace_event {
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/* Break the main loop. */
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TE_BREAK,
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/* Call next_event() again. */
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TE_NEXT,
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/* Restart the tracee with signal 0 and call next_event() again. */
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TE_RESTART,
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/*
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* For all the events below, current_tcp is set to current tracee's
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* tcb. All the suggested actions imply that you want to continue
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* tracing of the current tracee; alternatively, you can detach it.
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*/
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/*
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* Syscall entry or exit.
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* Restart the tracee with signal 0, or with an injected signal number.
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*/
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TE_SYSCALL_STOP,
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/*
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* Tracee received signal with number WSTOPSIG(*pstatus); signal info
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* is written to *si. Restart the tracee (with that signal number
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* if you want to deliver it).
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*/
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TE_SIGNAL_DELIVERY_STOP,
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/*
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* Tracee was killed by a signal with number WTERMSIG(*pstatus).
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*/
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TE_SIGNALLED,
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/*
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* Tracee was stopped by a signal with number WSTOPSIG(*pstatus).
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* Restart the tracee with that signal number.
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*/
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TE_GROUP_STOP,
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/*
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* Tracee exited with status WEXITSTATUS(*pstatus).
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*/
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TE_EXITED,
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/*
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* Tracee is going to perform execve().
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* Restart the tracee with signal 0.
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*/
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TE_STOP_BEFORE_EXECVE,
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/*
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* Tracee is going to terminate.
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* Restart the tracee with signal 0.
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*/
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TE_STOP_BEFORE_EXIT,
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};
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#endif /* !STRACE_TRACE_EVENT_H */
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