-/*
- DebugStack
-*/
-
-struct DebugStack
-{
- DebugStack(threadid_t id);
- void print(FILE *file, bool everything);
- void print(std::ostream &os, bool everything);
-
- threadid_t threadid;
- char stack[DEBUG_STACK_SIZE][DEBUG_STACK_TEXT_SIZE];
- int stack_i; // Points to the lowest empty position
- int stack_max_i; // Highest i that was seen
-};
-
-DebugStack::DebugStack(threadid_t id)
-{
- threadid = id;
- stack_i = 0;
- stack_max_i = 0;
- memset(stack, 0, DEBUG_STACK_SIZE*DEBUG_STACK_TEXT_SIZE);
-}
-
-void DebugStack::print(FILE *file, bool everything)
-{
- fprintf(file, "DEBUG STACK FOR THREAD %lx:\n",
- (unsigned long)threadid);
-
- for(int i=0; i<stack_max_i; i++)
- {
- if(i == stack_i && everything == false)
- break;
-
- if(i < stack_i)
- fprintf(file, "#%d %s\n", i, stack[i]);
- else
- fprintf(file, "(Leftover data: #%d %s)\n", i, stack[i]);
- }
-
- if(stack_i == DEBUG_STACK_SIZE)
- fprintf(file, "Probably overflown.\n");
-}
-
-void DebugStack::print(std::ostream &os, bool everything)
-{
- os<<"DEBUG STACK FOR THREAD "<<(unsigned long)threadid<<": "<<std::endl;
-
- for(int i=0; i<stack_max_i; i++)
- {
- if(i == stack_i && everything == false)
- break;
-
- if(i < stack_i)
- os<<"#"<<i<<" "<<stack[i]<<std::endl;
- else
- os<<"(Leftover data: #"<<i<<" "<<stack[i]<<")"<<std::endl;
- }
-
- if(stack_i == DEBUG_STACK_SIZE)
- os<<"Probably overflown."<<std::endl;
-}
-
-std::map<threadid_t, DebugStack*> g_debug_stacks;
-JMutex g_debug_stacks_mutex;
-
-void debug_stacks_init()
-{
-}
-
-void debug_stacks_print_to(std::ostream &os)
-{
- JMutexAutoLock lock(g_debug_stacks_mutex);
-
- os<<"Debug stacks:"<<std::endl;
-
- for(std::map<threadid_t, DebugStack*>::iterator
- i = g_debug_stacks.begin();
- i != g_debug_stacks.end(); ++i)
- {
- i->second->print(os, false);
- }
-}
-
-void debug_stacks_print()
-{
- JMutexAutoLock lock(g_debug_stacks_mutex);
-
- DEBUGPRINT("Debug stacks:\n");
-
- for(std::map<threadid_t, DebugStack*>::iterator
- i = g_debug_stacks.begin();
- i != g_debug_stacks.end(); ++i)
- {
- DebugStack *stack = i->second;
-
- for(int i=0; i<DEBUGSTREAM_COUNT; i++)
- {
- if(g_debugstreams[i] != NULL)
- stack->print(g_debugstreams[i], true);
- }
- }
-}
-
-DebugStacker::DebugStacker(const char *text)
-{
- threadid_t threadid = get_current_thread_id();
-
- JMutexAutoLock lock(g_debug_stacks_mutex);
-
- std::map<threadid_t, DebugStack*>::iterator n;
- n = g_debug_stacks.find(threadid);
- if(n != g_debug_stacks.end())
- {
- m_stack = n->second;
- }
- else
- {
- /*DEBUGPRINT("Creating new debug stack for thread %x\n",
- (unsigned int)threadid);*/
- m_stack = new DebugStack(threadid);
- g_debug_stacks[threadid] = m_stack;
- }
-
- if(m_stack->stack_i >= DEBUG_STACK_SIZE)
- {
- m_overflowed = true;
- }
- else
- {
- m_overflowed = false;
-
- snprintf(m_stack->stack[m_stack->stack_i],
- DEBUG_STACK_TEXT_SIZE, "%s", text);
- m_stack->stack_i++;
- if(m_stack->stack_i > m_stack->stack_max_i)
- m_stack->stack_max_i = m_stack->stack_i;
- }
-}
-
-DebugStacker::~DebugStacker()
-{
- JMutexAutoLock lock(g_debug_stacks_mutex);
-
- if(m_overflowed == true)
- return;
-
- m_stack->stack_i--;
-
- if(m_stack->stack_i == 0)
- {
- threadid_t threadid = m_stack->threadid;
- /*DEBUGPRINT("Deleting debug stack for thread %x\n",
- (unsigned int)threadid);*/
- delete m_stack;
- g_debug_stacks.erase(threadid);
- }
-}
-