mcst-linux-kernel/glibc-2.35/bits/waitflags.h

35 lines
1.4 KiB
C

/* Definitions of flag bits for `waitpid' et al.
Copyright (C) 1992-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#if !defined _SYS_WAIT_H && !defined _STDLIB_H
# error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead."
#endif
/* Bits in the third argument to `waitpid'. */
#define WNOHANG 1 /* Don't block waiting. */
#define WUNTRACED 2 /* Report status of stopped children. */
/* Bits in the fourth argument to `waitid'. */
#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
# define WSTOPPED WUNTRACED /* Report stopped child. */
# define WCONTINUED 4 /* Report continued child. */
# define WNOWAIT 8 /* Don't reap, just poll status. */
# define WEXITED 16 /* Report dead child. */
#endif