modernc.org/cc@v1.0.1/v2/headers/linux_386/usr/include/i386-linux-gnu/bits/waitflags.h (about)

     1  /* Definitions of flag bits for `waitpid' et al.
     2     Copyright (C) 1992-2018 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     <http://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  /* Bits in the third argument to `waitpid'.  */
    24  #define	WNOHANG		1	/* Don't block waiting.  */
    25  #define	WUNTRACED	2	/* Report status of stopped children.  */
    26  
    27  /* Bits in the fourth argument to `waitid'.  */
    28  #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
    29  # define WSTOPPED	2	/* Report stopped child (same as WUNTRACED). */
    30  # define WEXITED	4	/* Report dead child.  */
    31  # define WCONTINUED	8	/* Report continued child.  */
    32  # define WNOWAIT	0x01000000	/* Don't reap, just poll status.  */
    33  #endif
    34  
    35  #define __WNOTHREAD     0x20000000	/* Don't wait on children of other threads
    36  					   in this group */
    37  #define __WALL		0x40000000	/* Wait for any child.  */
    38  #define __WCLONE	0x80000000	/* Wait for cloned process.  */
    39  
    40  /* The following values are used by the `waitid' function.  */
    41  #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
    42  # ifndef __ENUM_IDTYPE_T
    43  # define __ENUM_IDTYPE_T 1
    44  
    45  /* The Linux kernel defines these bare, rather than an enum,
    46     which causes a conflict if the include order is reversed. */
    47  # undef P_ALL
    48  # undef P_PID
    49  # undef P_PGID
    50  
    51  typedef enum {
    52  	P_ALL,			/* Wait for any child.  */
    53  	P_PID,			/* Wait for specified process.  */
    54  	P_PGID			/* Wait for members of process group.  */
    55  } idtype_t;
    56  # endif
    57  #endif