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60 lines
2.2 KiB
60 lines
2.2 KiB
3 years ago
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/* Definitions of flag bits for `waitpid' et al.
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Copyright (C) 1992-2021 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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#if !defined _SYS_WAIT_H && !defined _STDLIB_H
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# error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead."
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#endif
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/* Bits in the third argument to `waitpid'. */
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#define WNOHANG 1 /* Don't block waiting. */
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#define WUNTRACED 2 /* Report status of stopped children. */
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/* Bits in the fourth argument to `waitid'. */
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#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
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# define WSTOPPED 2 /* Report stopped child (same as WUNTRACED). */
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# define WEXITED 4 /* Report dead child. */
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# define WCONTINUED 8 /* Report continued child. */
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# define WNOWAIT 0x01000000 /* Don't reap, just poll status. */
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#endif
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#define __WNOTHREAD 0x20000000 /* Don't wait on children of other threads
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in this group */
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#define __WALL 0x40000000 /* Wait for any child. */
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#define __WCLONE 0x80000000 /* Wait for cloned process. */
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/* The following values are used by the `waitid' function. */
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#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
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# ifndef __ENUM_IDTYPE_T
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# define __ENUM_IDTYPE_T 1
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/* The Linux kernel defines these bare, rather than an enum,
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which causes a conflict if the include order is reversed. */
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# undef P_ALL
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# undef P_PID
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# undef P_PGID
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typedef enum
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{
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P_ALL, /* Wait for any child. */
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P_PID, /* Wait for specified process. */
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P_PGID /* Wait for members of process group. */
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} idtype_t;
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# endif
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#endif
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