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errors with static linking on pool management members...

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This commit is contained in:
Alex 2017-06-19 12:19:41 -05:00
parent 2d02f6f0fa
commit 99023dd1d3
2 changed files with 17 additions and 9 deletions
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14
MP2/MP2_Sources/cont_frame_pool.C
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@ -127,6 +127,9 @@
/* METHODS FOR CLASS C o n t F r a m e P o o l */
/*--------------------------------------------------------------------------*/
std::vector<ContFramePool> ContFramePool::pools; // List of frame pools, managed by the class
unsigned int ContFramePool::nPools = 0; // Number of pools being managed
ContFramePool::ContFramePool(unsigned long _base_frame_no,
unsigned long _n_frames,
unsigned long _info_frame_no,
@ -145,7 +148,10 @@ ContFramePool::ContFramePool(unsigned long _base_frame_no,
nFreeFrames = _n_frames;
info_frame_no = _info_frame_no;
n_info_frames = _n_info_frames;
pools.push_back(*this);
nPools += 1;
// If _info_frame_no is zero then we keep management info in the first
// frame(s), else we use the provided frame(s) to keep management info
// NOTE: bitmap needs to be allocated with n_info_frames if specified.
@ -338,7 +344,7 @@ void ContFramePool::mark_inaccessible(unsigned long _frame_no)
void ContFramePool::release_frames(unsigned long _frame_no)
{
unsigned int i = 0;
while(i < pools.size())
while(i < nPools)
{
if(_frame_no < pools[i].base_frame_no || _frame_no > (pools[i].base_frame_no + pools[i].nframes))
{
@ -350,8 +356,6 @@ void ContFramePool::release_frames(unsigned long _frame_no)
return;
}
}
// This is the case where we fail to find the frame in any of the pools.
assert(false);
}
void ContFramePool::release_frames_here(unsigned long _first_frame_no)
@ -390,5 +394,5 @@ void ContFramePool::release_frames_here(unsigned long _first_frame_no)
unsigned long ContFramePool::needed_info_frames(unsigned long _n_frames)
{
return _n_frames / (FRAME_SIZE * 4);
return (_n_frames / (FRAME_SIZE * 4)) + (_n_frames % (FRAME_SIZE * 4) > 0 ? 1 : 0);
}

12
MP2/MP2_Sources/cont_frame_pool.H
View file

@ -27,6 +27,7 @@
/*--------------------------------------------------------------------------*/
#include "machine.H"
#include <vector>
/*--------------------------------------------------------------------------*/
/* DATA STRUCTURES */
@ -49,10 +50,13 @@ private:
unsigned long nframes; // Size of the frame pool
unsigned long info_frame_no; // Where do we store the management information?
unsigned long n_info_frames; // Number of frames needed to store management info
static std::vector<ContFramePool> pools; // List of frame pools, managed by the class
static unsigned int nPools; // Number of pools being managed
void mark_inaccessible(unsigned long _frame_no); // Should be a frame marked as
// a head, otherwise fails
void release_frames_here(unsigned long _frame_no); // non-static member function
public:
// The frame size is the same as the page size, duh...
@ -100,8 +104,8 @@ public:
_base_frame_no: Number of first frame to mark as inaccessible.
_n_frames: Number of contiguous frames to mark as inaccessible.
*/
static void release_frames(unsigned long _first_frame_no);
static void release_frames(unsigned long _frame_no);
/*
Releases a previously allocated contiguous sequence of frames
back to its frame pool.