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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/waitflags.h


$ cat -n /usr/include/x86_64-linux-gnu/bits/waitflags.h

     1	/* Definitions of flag bits for `waitpid' et al.
     2	   Copyright (C) 1992-2024 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	2	/* Report stopped child (same as WUNTRACED). */
    31	# define WEXITED	4	/* Report dead child.  */
    32	# define WCONTINUED	8	/* Report continued child.  */
    33	# define WNOWAIT	0x01000000 /* Don't reap, just poll status.  */
    34	#endif
    35	
    36	#define __WNOTHREAD     0x20000000 /* Don't wait on children of other threads
    37					      in this group */
    38	#define __WALL		0x40000000 /* Wait for any child.  */
    39	#define __WCLONE	0x80000000 /* Wait for cloned process.  */