72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (c) 2017-2018 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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