1 /* Wait for process state. 2 Copyright (C) 2020-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef SUPPORT_PROCESS_STATE_H 20 #define SUPPORT_PROCESS_STATE_H 21 22 #include <sys/types.h> 23 24 enum support_process_state 25 { 26 support_process_state_running = 0x01, /* R (running). */ 27 support_process_state_sleeping = 0x02, /* S (sleeping). */ 28 support_process_state_disk_sleep = 0x04, /* D (disk sleep). */ 29 support_process_state_stopped = 0x08, /* T (stopped). */ 30 support_process_state_tracing_stop = 0x10, /* t (tracing stop). */ 31 support_process_state_dead = 0x20, /* X (dead). */ 32 support_process_state_zombie = 0x40, /* Z (zombie). */ 33 support_process_state_parked = 0x80, /* P (parked). */ 34 }; 35 36 /* Wait for process PID to reach state STATE. It can be a combination of 37 multiple possible states ('process_state_running | process_state_sleeping') 38 where the function return when any of these state are observed. 39 For an invalid state not represented by SUPPORT_PROCESS_STATE, it fallbacks 40 to a 2 second sleep. */ 41 void support_process_state_wait (pid_t pid, enum support_process_state state); 42 43 #endif 44