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44 lines
1.8 KiB
C
44 lines
1.8 KiB
C
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/* Wait for process state.
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Copyright (C) 2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef SUPPORT_PROCESS_STATE_H
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#define SUPPORT_PROCESS_STATE_H
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#include <sys/types.h>
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enum support_process_state
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{
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support_process_state_running = 0x01, /* R (running). */
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support_process_state_sleeping = 0x02, /* S (sleeping). */
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support_process_state_disk_sleep = 0x04, /* D (disk sleep). */
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support_process_state_stopped = 0x08, /* T (stopped). */
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support_process_state_tracing_stop = 0x10, /* t (tracing stop). */
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support_process_state_dead = 0x20, /* X (dead). */
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support_process_state_zombie = 0x40, /* Z (zombie). */
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support_process_state_parked = 0x80, /* P (parked). */
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};
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/* Wait for process PID to reach state STATE. It can be a combination of
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multiple possible states ('process_state_running | process_state_sleeping')
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where the function return when any of these state are observed.
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For an invalid state not represented by SUPPORT_PROCESS_STATE, it fallbacks
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to a 2 second sleep. */
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void support_process_state_wait (pid_t pid, enum support_process_state state);
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#endif
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