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Editing: pid_t.h
#ifndef RBIMPL_ARITHMETIC_PID_T_H /*-*-C++-*-vi:se ft=cpp:*/ #define RBIMPL_ARITHMETIC_PID_T_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief Arithmetic conversion between C's `pid_t` and Ruby's. */ #include "ruby/internal/config.h" #include "ruby/internal/arithmetic/long.h" /** Converts a C's `pid_t` into an instance of ::rb_cInteger. */ #ifndef PIDT2NUM # define PIDT2NUM RB_LONG2NUM #endif /** Converts an instance of ::rb_cNumeric into C's `pid_t`. */ #ifndef NUM2PIDT # define NUM2PIDT RB_NUM2LONG #endif /** A rb_sprintf() format prefix to be used for a `pid_t` parameter. */ #ifndef PRI_PIDT_PREFIX # define PRI_PIDT_PREFIX PRI_LONG_PREFIX #endif #endif /* RBIMPL_ARITHMETIC_PID_T_H */
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