1 /* Definitions of flag bits for `waitpid' et al. 2 Copyright (C) 1992-2021 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 #if !defined _SYS_WAIT_H && !defined _STDLIB_H 20 # error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead." 21 #endif 22 23 24 /* Bits in the third argument to `waitpid'. */ 25 #define WNOHANG 1 /* Don't block waiting. */ 26 #define WUNTRACED 2 /* Report status of stopped children. */ 27 28 /* Bits in the fourth argument to `waitid'. */ 29 #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 30 # define WSTOPPED WUNTRACED /* Report stopped child. */ 31 # define WCONTINUED 4 /* Report continued child. */ 32 # define WNOWAIT 8 /* Don't reap, just poll status. */ 33 # define WEXITED 16 /* Report dead child. */ 34 #endif 35