diff options
Diffstat (limited to 'include/ruby/impl/intern/select/largesize.h')
| -rw-r--r-- | include/ruby/impl/intern/select/largesize.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/include/ruby/impl/intern/select/largesize.h b/include/ruby/impl/intern/select/largesize.h deleted file mode 100644 index c5f321f1dc..0000000000 --- a/include/ruby/impl/intern/select/largesize.h +++ /dev/null @@ -1,103 +0,0 @@ -#ifndef RBIMPL_INTERN_SELECT_LARGESIZE_H /*-*-C++-*-vi:se ft=cpp:*/ -#define RBIMPL_INTERN_SELECT_LARGESIZE_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 Public APIs to provide ::rb_fd_select(). - * - * Several Unix platforms support file descriptors bigger than FD_SETSIZE in - * `select(2)` system call. - * - * - Linux 2.2.12 (?) - * - * - NetBSD 1.2 (src/sys/kern/sys_generic.c:1.25) - * `select(2)` documents how to allocate fd_set dynamically. - * http://netbsd.gw.com/cgi-bin/man-cgi?select++NetBSD-4.0 - * - * - FreeBSD 2.2 (src/sys/kern/sys_generic.c:1.19) - * - * - OpenBSD 2.0 (src/sys/kern/sys_generic.c:1.4) - * `select(2)` documents how to allocate fd_set dynamically. - * http://www.openbsd.org/cgi-bin/man.cgi?query=select&manpath=OpenBSD+4.4 - * - * - HP-UX documents how to allocate fd_set dynamically. - * http://docs.hp.com/en/B2355-60105/select.2.html - * - * - Solaris 8 has `select_large_fdset` - * - * - Mac OS X 10.7 (Lion) - * `select(2)` returns `EINVAL` if `nfds` is greater than `FD_SET_SIZE` and - * `_DARWIN_UNLIMITED_SELECT` (or `_DARWIN_C_SOURCE`) isn't defined. - * http://developer.apple.com/library/mac/#releasenotes/Darwin/SymbolVariantsRelNotes/_index.html - * - * When `fd_set` is not big enough to hold big file descriptors, it should be - * allocated dynamically. Note that this assumes `fd_set` is structured as - * bitmap. - * - * `rb_fd_init` allocates the memory. - * `rb_fd_term` frees the memory. - * `rb_fd_set` may re-allocate bitmap. - * - * So `rb_fd_set` doesn't reject file descriptors bigger than `FD_SETSIZE`. - */ -#include "ruby/impl/attr/nonnull.h" -#include "ruby/impl/attr/pure.h" -#include "ruby/impl/dllexport.h" - -/**@cond INTERNAL_MACRO */ -#define rb_fd_ptr rb_fd_ptr -#define rb_fd_max rb_fd_max -/** @endcond */ - -struct timeval; - -typedef struct { - int maxfd; - fd_set *fdset; -} rb_fdset_t; - -RBIMPL_SYMBOL_EXPORT_BEGIN() -void rb_fd_init(rb_fdset_t *); -void rb_fd_term(rb_fdset_t *); -void rb_fd_zero(rb_fdset_t *); -void rb_fd_set(int, rb_fdset_t *); -void rb_fd_clr(int, rb_fdset_t *); -int rb_fd_isset(int, const rb_fdset_t *); -void rb_fd_copy(rb_fdset_t *, const fd_set *, int); -void rb_fd_dup(rb_fdset_t *dst, const rb_fdset_t *src); -int rb_fd_select(int, rb_fdset_t *, rb_fdset_t *, rb_fdset_t *, struct timeval *); -RBIMPL_SYMBOL_EXPORT_END() - -RBIMPL_ATTR_NONNULL(()) -RBIMPL_ATTR_PURE() -/* :TODO: can this function be __attribute__((returns_nonnull)) or not? */ -static inline fd_set * -rb_fd_ptr(const rb_fdset_t *f) -{ - return f->fdset; -} - -RBIMPL_ATTR_NONNULL(()) -RBIMPL_ATTR_PURE() -static inline int -rb_fd_max(const rb_fdset_t *f) -{ - return f->maxfd; -} - -#endif /* RBIMPL_INTERN_SELECT_LARGESIZE_H */ |