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6698501fda
(WSTOPPED, WEXITED, WCONTINUED, WNOWAIT): New macros. * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_WAITID_SYSCALL): New macro. * sysdeps/unix/sysv/linux/waitid.c: New file. Use new syscall when available, or fall back to the waitpid-based generic code.
37 lines
1.6 KiB
C
37 lines
1.6 KiB
C
/* Definitions of flag bits for `waitpid' et al.
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Copyright (C) 1992, 1996, 1997, 2000, 2004 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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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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#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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#define __WALL 0x40000000 /* Wait for any child. */
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#define __WCLONE 0x80000000 /* Wait for cloned process. */
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