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- /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
- /* A POSIX-like <sys/wait.h>.
- Copyright (C) 2001-2003, 2005-2013 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, see <http://www.gnu.org/licenses/>. */
- #ifndef _GL_M4_SYS_WAIT_H
- #if __GNUC__ >= 3
- #endif
- /* The include_next requires a split double-inclusion guard. */
- #if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
- # include <sys/wait.h>
- #endif
- #ifndef _GL_M4_SYS_WAIT_H
- #define _GL_M4_SYS_WAIT_H
- /* Get pid_t. */
- #include <sys/types.h>
- /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
- #ifndef _GL_CXXDEFS_H
- #define _GL_CXXDEFS_H
- /* The three most frequent use cases of these macros are:
- * For providing a substitute for a function that is missing on some
- platforms, but is declared and works fine on the platforms on which
- it exists:
- #if @GNULIB_FOO@
- # if !@HAVE_FOO@
- _GL_FUNCDECL_SYS (foo, ...);
- # endif
- _GL_CXXALIAS_SYS (foo, ...);
- _GL_CXXALIASWARN (foo);
- #elif defined GNULIB_POSIXCHECK
- ...
- #endif
- * For providing a replacement for a function that exists on all platforms,
- but is broken/insufficient and needs to be replaced on some platforms:
- #if @GNULIB_FOO@
- # if @REPLACE_FOO@
- # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
- # undef foo
- # define foo rpl_foo
- # endif
- _GL_FUNCDECL_RPL (foo, ...);
- _GL_CXXALIAS_RPL (foo, ...);
- # else
- _GL_CXXALIAS_SYS (foo, ...);
- # endif
- _GL_CXXALIASWARN (foo);
- #elif defined GNULIB_POSIXCHECK
- ...
- #endif
- * For providing a replacement for a function that exists on some platforms
- but is broken/insufficient and needs to be replaced on some of them and
- is additionally either missing or undeclared on some other platforms:
- #if @GNULIB_FOO@
- # if @REPLACE_FOO@
- # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
- # undef foo
- # define foo rpl_foo
- # endif
- _GL_FUNCDECL_RPL (foo, ...);
- _GL_CXXALIAS_RPL (foo, ...);
- # else
- # if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@
- _GL_FUNCDECL_SYS (foo, ...);
- # endif
- _GL_CXXALIAS_SYS (foo, ...);
- # endif
- _GL_CXXALIASWARN (foo);
- #elif defined GNULIB_POSIXCHECK
- ...
- #endif
- */
- /* _GL_EXTERN_C declaration;
- performs the declaration with C linkage. */
- #if defined __cplusplus
- # define _GL_EXTERN_C extern "C"
- #else
- # define _GL_EXTERN_C extern
- #endif
- /* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes);
- declares a replacement function, named rpl_func, with the given prototype,
- consisting of return type, parameters, and attributes.
- Example:
- _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
- _GL_ARG_NONNULL ((1)));
- */
- #define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \
- _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
- #define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \
- _GL_EXTERN_C rettype rpl_func parameters_and_attributes
- /* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes);
- declares the system function, named func, with the given prototype,
- consisting of return type, parameters, and attributes.
- Example:
- _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...)
- _GL_ARG_NONNULL ((1)));
- */
- #define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \
- _GL_EXTERN_C rettype func parameters_and_attributes
- /* _GL_CXXALIAS_RPL (func, rettype, parameters);
- declares a C++ alias called GNULIB_NAMESPACE::func
- that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
- Example:
- _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
- */
- #define _GL_CXXALIAS_RPL(func,rettype,parameters) \
- _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- # define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
- namespace GNULIB_NAMESPACE \
- { \
- rettype (*const func) parameters = ::rpl_func; \
- } \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #else
- # define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- /* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
- is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
- except that the C function rpl_func may have a slightly different
- declaration. A cast is used to silence the "invalid conversion" error
- that would otherwise occur. */
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- # define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
- namespace GNULIB_NAMESPACE \
- { \
- rettype (*const func) parameters = \
- reinterpret_cast<rettype(*)parameters>(::rpl_func); \
- } \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #else
- # define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- /* _GL_CXXALIAS_SYS (func, rettype, parameters);
- declares a C++ alias called GNULIB_NAMESPACE::func
- that redirects to the system provided function func, if GNULIB_NAMESPACE
- is defined.
- Example:
- _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
- */
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- /* If we were to write
- rettype (*const func) parameters = ::func;
- like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls
- better (remove an indirection through a 'static' pointer variable),
- but then the _GL_CXXALIASWARN macro below would cause a warning not only
- for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */
- # define _GL_CXXALIAS_SYS(func,rettype,parameters) \
- namespace GNULIB_NAMESPACE \
- { \
- static rettype (*func) parameters = ::func; \
- } \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #else
- # define _GL_CXXALIAS_SYS(func,rettype,parameters) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- /* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters);
- is like _GL_CXXALIAS_SYS (func, rettype, parameters);
- except that the C function func may have a slightly different declaration.
- A cast is used to silence the "invalid conversion" error that would
- otherwise occur. */
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- # define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
- namespace GNULIB_NAMESPACE \
- { \
- static rettype (*func) parameters = \
- reinterpret_cast<rettype(*)parameters>(::func); \
- } \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #else
- # define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- /* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2);
- is like _GL_CXXALIAS_SYS (func, rettype, parameters);
- except that the C function is picked among a set of overloaded functions,
- namely the one with rettype2 and parameters2. Two consecutive casts
- are used to silence the "cannot find a match" and "invalid conversion"
- errors that would otherwise occur. */
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- /* The outer cast must be a reinterpret_cast.
- The inner cast: When the function is defined as a set of overloaded
- functions, it works as a static_cast<>, choosing the designated variant.
- When the function is defined as a single variant, it works as a
- reinterpret_cast<>. The parenthesized cast syntax works both ways. */
- # define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
- namespace GNULIB_NAMESPACE \
- { \
- static rettype (*func) parameters = \
- reinterpret_cast<rettype(*)parameters>( \
- (rettype2(*)parameters2)(::func)); \
- } \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #else
- # define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- /* _GL_CXXALIASWARN (func);
- causes a warning to be emitted when ::func is used but not when
- GNULIB_NAMESPACE::func is used. func must be defined without overloaded
- variants. */
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- # define _GL_CXXALIASWARN(func) \
- _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE)
- # define _GL_CXXALIASWARN_1(func,namespace) \
- _GL_CXXALIASWARN_2 (func, namespace)
- /* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
- we enable the warning only when not optimizing. */
- # if !__OPTIMIZE__
- # define _GL_CXXALIASWARN_2(func,namespace) \
- _GL_WARN_ON_USE (func, \
- "The symbol ::" #func " refers to the system function. " \
- "Use " #namespace "::" #func " instead.")
- # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
- # define _GL_CXXALIASWARN_2(func,namespace) \
- extern __typeof__ (func) func
- # else
- # define _GL_CXXALIASWARN_2(func,namespace) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- # endif
- #else
- # define _GL_CXXALIASWARN(func) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- /* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes);
- causes a warning to be emitted when the given overloaded variant of ::func
- is used but not when GNULIB_NAMESPACE::func is used. */
- #if defined __cplusplus && defined GNULIB_NAMESPACE
- # define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
- _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \
- GNULIB_NAMESPACE)
- # define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \
- _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
- /* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
- we enable the warning only when not optimizing. */
- # if !__OPTIMIZE__
- # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
- _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
- "The symbol ::" #func " refers to the system function. " \
- "Use " #namespace "::" #func " instead.")
- # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
- # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
- extern __typeof__ (func) func
- # else
- # define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- # endif
- #else
- # define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
- _GL_EXTERN_C int _gl_cxxalias_dummy
- #endif
- #endif /* _GL_CXXDEFS_H */
- /* The definition of _GL_WARN_ON_USE is copied here. */
- #ifndef _GL_WARN_ON_USE
- # if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
- /* A compiler attribute is available in gcc versions 4.3.0 and later. */
- # define _GL_WARN_ON_USE(function, message) \
- extern __typeof__ (function) function __attribute__ ((__warning__ (message)))
- # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
- /* Verify the existence of the function. */
- # define _GL_WARN_ON_USE(function, message) \
- extern __typeof__ (function) function
- # else /* Unsupported. */
- # define _GL_WARN_ON_USE(function, message) \
- _GL_WARN_EXTERN_C int _gl_warn_on_use
- # endif
- #endif
- /* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string")
- is like _GL_WARN_ON_USE (function, "string"), except that the function is
- declared with the given prototype, consisting of return type, parameters,
- and attributes.
- This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does
- not work in this case. */
- #ifndef _GL_WARN_ON_USE_CXX
- # if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
- # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
- extern rettype function parameters_and_attributes \
- __attribute__ ((__warning__ (msg)))
- # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
- /* Verify the existence of the function. */
- # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
- extern rettype function parameters_and_attributes
- # else /* Unsupported. */
- # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
- _GL_WARN_EXTERN_C int _gl_warn_on_use
- # endif
- #endif
- /* _GL_WARN_EXTERN_C declaration;
- performs the declaration with C linkage. */
- #ifndef _GL_WARN_EXTERN_C
- # if defined __cplusplus
- # define _GL_WARN_EXTERN_C extern "C"
- # else
- # define _GL_WARN_EXTERN_C extern
- # endif
- #endif
- #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
- /* The stopping signal. Only to be accessed if WIFSTOPPED(x) is true. */
- # ifndef WSTOPSIG
- # define WSTOPSIG(x) (((x) >> 8) & 0x7f)
- # endif
- /* True if the process dumped core. Not standardized by POSIX. */
- # ifndef WCOREDUMP
- # define WCOREDUMP(x) ((x) & 0x80)
- # endif
- #else
- /* Native Windows API. */
- # include <signal.h> /* for SIGTERM */
- /* 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 stopping signals. */
- # define WSTOPSIG(x) 0
- /* There are no core dumps. */
- # define WCOREDUMP(x) 0
- #endif
- /* Declarations of functions. */
- #if 1
- # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
- _GL_FUNCDECL_SYS (waitpid, pid_t, (pid_t pid, int *statusp, int options));
- # endif
- _GL_CXXALIAS_SYS (waitpid, pid_t, (pid_t pid, int *statusp, int options));
- _GL_CXXALIASWARN (waitpid);
- #elif defined GNULIB_POSIXCHECK
- # undef waitpid
- # if HAVE_RAW_DECL_WAITPID
- _GL_WARN_ON_USE (waitpid, "waitpid is unportable - "
- "use gnulib module sys_wait for portability");
- # endif
- #endif
- #endif /* _GL_M4_SYS_WAIT_H */
- #endif /* _GL_M4_SYS_WAIT_H */
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