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Merge pull request #16 from anttirt/develop

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Optionally register stacks with valgrind
This commit is contained in:
olk 2014-10-06 18:53:52 +02:00
commit 5827586ce3
4 changed files with 36 additions and 0 deletions
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3
build/Jamfile.v2
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@ -11,6 +11,9 @@ import toolset ;
feature.feature segmented-stacks : on : optional propagated composite ;
feature.compose <segmented-stacks>on : <define>BOOST_USE_SEGMENTED_STACKS ;
feature.feature valgrind : on : optional propagated composite ;
feature.compose <valgrind>on : <define>BOOST_USE_VALGRIND ;
project boost/coroutine
: requirements
<library>/boost/context//boost_context

10
include/boost/coroutine/posix/protected_stack_allocator.hpp
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@ -14,6 +14,10 @@ extern "C" {
#include <unistd.h>
}
#if defined(BOOST_USE_VALGRIND)
#include <valgrind/valgrind.h>
#endif
#include <cmath>
#include <cstddef>
#include <new>
@ -70,6 +74,9 @@ struct basic_protected_stack_allocator
ctx.size = size_;
ctx.sp = static_cast< char * >( limit) + ctx.size;
#if defined(BOOST_USE_VALGRIND)
ctx.valgrind_stack_id = VALGRIND_STACK_REGISTER( ctx.sp, limit);
#endif
}
void deallocate( stack_context & ctx)
@ -78,6 +85,9 @@ struct basic_protected_stack_allocator
BOOST_ASSERT( traits_type::minimum_size() <= ctx.size);
BOOST_ASSERT( traits_type::is_unbounded() || ( traits_type::maximum_size() >= ctx.size) );
#if defined(BOOST_USE_VALGRIND)
VALGRIND_STACK_DEREGISTER( ctx.valgrind_stack_id);
#endif
void * limit = static_cast< char * >( ctx.sp) - ctx.size;
// conform to POSIX.4 (POSIX.1b-1993, _POSIX_C_SOURCE=199309L)
::munmap( limit, ctx.size);

12
include/boost/coroutine/stack_context.hpp
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@ -28,9 +28,15 @@ struct stack_context
std::size_t size;
void * sp;
segments_context segments_ctx;
#if defined(BOOST_USE_VALGRIND)
unsigned valgrind_stack_id;
#endif
stack_context() :
size( 0), sp( 0), segments_ctx()
#if defined(BOOST_USE_VALGRIND)
, valgrind_stack_id( 0)
#endif
{}
};
#else
@ -38,9 +44,15 @@ struct stack_context
{
std::size_t size;
void * sp;
#if defined(BOOST_USE_VALGRIND)
unsigned valgrind_stack_id;
#endif
stack_context() :
size( 0), sp( 0)
#if defined(BOOST_USE_VALGRIND)
, valgrind_stack_id( 0)
#endif
{}
};
#endif

11
include/boost/coroutine/standard_stack_allocator.hpp
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@ -7,6 +7,10 @@
#ifndef BOOST_COROUTINES_STANDARD_STACK_ALLOCATOR_H
#define BOOST_COROUTINES_STANDARD_STACK_ALLOCATOR_H
#if defined(BOOST_USE_VALGRIND)
#include <valgrind/valgrind.h>
#endif
#include <cstddef>
#include <cstdlib>
#include <new>
@ -40,6 +44,9 @@ struct basic_standard_stack_allocator
ctx.size = size;
ctx.sp = static_cast< char * >( limit) + ctx.size;
#if defined(BOOST_USE_VALGRIND)
ctx.valgrind_stack_id = VALGRIND_STACK_REGISTER( ctx.sp, limit);
#endif
}
void deallocate( stack_context & ctx)
@ -48,6 +55,10 @@ struct basic_standard_stack_allocator
BOOST_ASSERT( traits_type::minimum_size() <= ctx.size);
BOOST_ASSERT( traits_type::is_unbounded() || ( traits_type::maximum_size() >= ctx.size) );
#if defined(BOOST_USE_VALGRIND)
VALGRIND_STACK_DEREGISTER( ctx.valgrind_stack_id);
#endif
void * limit = static_cast< char * >( ctx.sp) - ctx.size;
std::free( limit);
}