FM / context

/usr/include/boost/context

Name	Size	Mode	Actions
detail/	-	0755	rm
posix/	-	0755	rm
windows/	-	0755	rm
continuation.hpp	441	0644	edit dl rm
continuation_fcontext.hpp	11829	0644	edit dl rm
continuation_ucontext.hpp	18414	0644	edit dl rm
continuation_winfib.hpp	15317	0644	edit dl rm
fiber.hpp	420	0644	edit dl rm
fiber_fcontext.hpp	11760	0644	edit dl rm
fiber_ucontext.hpp	18392	0644	edit dl rm
fiber_winfib.hpp	15160	0644	edit dl rm
fixedsize_stack.hpp	2335	0644	edit dl rm
flags.hpp	582	0644	edit dl rm
pooled_fixedsize_stack.hpp	4383	0644	edit dl rm
preallocated.hpp	828	0644	edit dl rm
protected_fixedsize_stack.hpp	408	0644	edit dl rm
segmented_stack.hpp	380	0644	edit dl rm
stack_context.hpp	1689	0644	edit dl rm
stack_traits.hpp	957	0644	edit dl rm

Edit: /usr/include/boost/context/fixedsize_stack.hpp (2335B)

#ifndef BOOST_CONTEXT_FIXEDSIZE_H
#define BOOST_CONTEXT_FIXEDSIZE_H

#include <cstddef>
#include <cstdlib>
#include <new>

#include <boost/assert.hpp>
#include <boost/config.hpp>

#include <boost/context/detail/config.hpp>
#include <boost/context/stack_context.hpp>
#include <boost/context/stack_traits.hpp>

#if defined(BOOST_CONTEXT_USE_MAP_STACK)
extern "C" {
#include <sys/mman.h>
}
#endif

#if defined(BOOST_USE_VALGRIND)
#include <valgrind/valgrind.h>
#endif

#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_PREFIX
#endif

namespace boost {
namespace context {

template< typename traitsT >
class basic_fixedsize_stack {
private:
    std::size_t     size_;

public:
    typedef traitsT traits_type;

basic_fixedsize_stack( std::size_t size = traits_type::default_size() ) BOOST_NOEXCEPT_OR_NOTHROW :
        size_( size) {
    }

stack_context allocate() {
#if defined(BOOST_CONTEXT_USE_MAP_STACK)
        void * vp = ::mmap( 0, size_, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_STACK, -1, 0);
        if ( vp == MAP_FAILED) {
            throw std::bad_alloc();
        }
#else
        void * vp = std::malloc( size_);
        if ( ! vp) {
            throw std::bad_alloc();
        }
#endif
        stack_context sctx;
        sctx.size = size_;
        sctx.sp = static_cast< char * >( vp) + sctx.size;
#if defined(BOOST_USE_VALGRIND)
        sctx.valgrind_stack_id = VALGRIND_STACK_REGISTER( sctx.sp, vp);
#endif
        return sctx;
    }

void deallocate( stack_context & sctx) BOOST_NOEXCEPT_OR_NOTHROW {
        BOOST_ASSERT( sctx.sp);

#if defined(BOOST_USE_VALGRIND)
        VALGRIND_STACK_DEREGISTER( sctx.valgrind_stack_id);
#endif
        void * vp = static_cast< char * >( sctx.sp) - sctx.size;
#if defined(BOOST_CONTEXT_USE_MAP_STACK)
        ::munmap( vp, sctx.size);
#else
        std::free( vp);
#endif
    }
};

typedef basic_fixedsize_stack< stack_traits >  fixedsize_stack;
# if ! defined(BOOST_USE_SEGMENTED_STACKS)
typedef fixedsize_stack default_stack;
# endif

}}

#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_SUFFIX
#endif

#endif // BOOST_CONTEXT_FIXEDSIZE_H

// Copyright Oliver Kowalke 2014. // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_CONTEXT_FIXEDSIZE_H #define BOOST_CONTEXT_FIXEDSIZE_H #include #include #include #include #include #include #include #include #if defined(BOOST_CONTEXT_USE_MAP_STACK) extern "C" { #include } #endif #if defined(BOOST_USE_VALGRIND) #include #endif #ifdef BOOST_HAS_ABI_HEADERS # include BOOST_ABI_PREFIX #endif namespace boost { namespace context { template< typename traitsT > class basic_fixedsize_stack { private: std::size_t size_; public: typedef traitsT traits_type; basic_fixedsize_stack( std::size_t size = traits_type::default_size() ) BOOST_NOEXCEPT_OR_NOTHROW : size_( size) { } stack_context allocate() { #if defined(BOOST_CONTEXT_USE_MAP_STACK) void * vp = ::mmap( 0, size_, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_STACK, -1, 0); if ( vp == MAP_FAILED) { throw std::bad_alloc(); } #else void * vp = std::malloc( size_); if ( ! vp) { throw std::bad_alloc(); } #endif stack_context sctx; sctx.size = size_; sctx.sp = static_cast< char * >( vp) + sctx.size; #if defined(BOOST_USE_VALGRIND) sctx.valgrind_stack_id = VALGRIND_STACK_REGISTER( sctx.sp, vp); #endif return sctx; } void deallocate( stack_context & sctx) BOOST_NOEXCEPT_OR_NOTHROW { BOOST_ASSERT( sctx.sp); #if defined(BOOST_USE_VALGRIND) VALGRIND_STACK_DEREGISTER( sctx.valgrind_stack_id); #endif void * vp = static_cast< char * >( sctx.sp) - sctx.size; #if defined(BOOST_CONTEXT_USE_MAP_STACK) ::munmap( vp, sctx.size); #else std::free( vp); #endif } }; typedef basic_fixedsize_stack< stack_traits > fixedsize_stack; # if ! defined(BOOST_USE_SEGMENTED_STACKS) typedef fixedsize_stack default_stack; # endif }} #ifdef BOOST_HAS_ABI_HEADERS # include BOOST_ABI_SUFFIX #endif #endif // BOOST_CONTEXT_FIXEDSIZE_H