diff options
Diffstat (limited to 'grub-core/gnulib/sys_wait.in.h')
-rw-r--r-- | grub-core/gnulib/sys_wait.in.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/grub-core/gnulib/sys_wait.in.h b/grub-core/gnulib/sys_wait.in.h new file mode 100644 index 0000000..009fa21 --- /dev/null +++ b/grub-core/gnulib/sys_wait.in.h @@ -0,0 +1,106 @@ +/* A POSIX-like <sys/wait.h>. + Copyright (C) 2001-2003, 2005-2010 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + + +#ifndef _GL_SYS_WAIT_H + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif + +/* The include_next requires a split double-inclusion guard. */ +#if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) +# @INCLUDE_NEXT@ @NEXT_SYS_WAIT_H@ +#endif + +#ifndef _GL_SYS_WAIT_H +#define _GL_SYS_WAIT_H + +#if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) +/* Unix API. */ + +/* The following macros apply to an argument x, that is a status of a process, + as returned by waitpid(). + On nearly all systems, including Linux/x86, WEXITSTATUS are bits 15..8 and + WTERMSIG are bits 7..0, while BeOS uses the opposite. Therefore programs + have to use the abstract macros. */ + +/* For valid x, exactly one of WIFSIGNALED(x), WIFEXITED(x), WIFSTOPPED(x) + is true. */ +# ifndef WIFSIGNALED +# define WIFSIGNALED(x) (WTERMSIG (x) != 0 && WTERMSIG(x) != 0x7f) +# endif +# ifndef WIFEXITED +# define WIFEXITED(x) (WTERMSIG (x) == 0) +# endif +# ifndef WIFSTOPPED +# define WIFSTOPPED(x) (WTERMSIG (x) == 0x7f) +# endif + +/* The termination signal. Only to be accessed if WIFSIGNALED(x) is true. */ +# ifndef WTERMSIG +# define WTERMSIG(x) ((x) & 0x7f) +# endif + +/* The exit status. Only to be accessed if WIFEXITED(x) is true. */ +# ifndef WEXITSTATUS +# define WEXITSTATUS(x) (((x) >> 8) & 0xff) +# endif + +/* True if the process dumped core. Not standardized by POSIX. */ +# ifndef WCOREDUMP +# define WCOREDUMP(x) ((x) & 0x80) +# endif + +# ifdef __cplusplus +extern "C" { +# endif + +/* Declarations of functions. */ + +# ifdef __cplusplus +} +# endif + +#else +/* Native Windows API. */ + +# include <process.h> + +# define waitpid(pid,statusp,options) _cwait (statusp, pid, WAIT_CHILD) + +/* The following macros apply to an argument x, that is a status of a process, + as returned by waitpid() or, equivalently, _cwait() or GetExitCodeProcess(). + This value is simply an 'int', not composed of bit fields. */ + +/* When an unhandled fatal signal terminates a process, the exit code is 3. */ +# define WIFSIGNALED(x) ((x) == 3) +# define WIFEXITED(x) ((x) != 3) +# define WIFSTOPPED(x) 0 + +/* The signal that terminated a process is not known posthum. */ +# define WTERMSIG(x) SIGTERM + +# define WEXITSTATUS(x) (x) + +/* There are no core dumps. */ +# define WCOREDUMP(x) 0 + +#endif + +#endif /* _GL_SYS_WAIT_H */ +#endif /* _GL_SYS_WAIT_H */ |