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/*
(c) 2010 Perttu Ahola <celeron55@gmail.com>
*/
#include "debug.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#define sleep_ms(x) Sleep(x)
#else
#include <unistd.h>
#define sleep_ms(x) usleep(x*1000)
#endif
/*
Debug output
*/
FILE *g_debugstreams[DEBUGSTREAM_COUNT] = {stderr, NULL};
void debugstreams_init(bool disable_stderr, const char *filename)
{
if(disable_stderr)
g_debugstreams[0] = NULL;
if(filename)
g_debugstreams[1] = fopen(filename, "a");
if(g_debugstreams[1])
{
fprintf(g_debugstreams[1], "\n\n-------------\n");
fprintf(g_debugstreams[1], " Separator \n");
fprintf(g_debugstreams[1], "-------------\n\n");
}
}
void debugstreams_deinit()
{
if(g_debugstreams[1] != NULL)
fclose(g_debugstreams[1]);
}
Debugbuf debugbuf(false);
std::ostream dstream(&debugbuf);
Debugbuf debugbuf_no_stderr(true);
std::ostream dstream_no_stderr(&debugbuf_no_stderr);
Nullstream dummyout;
/*
Assert
*/
void assert_fail(const char *assertion, const char *file,
unsigned int line, const char *function)
{
DEBUGPRINT("\nIn thread %x:\n"
"%s:%d: %s: Assertion '%s' failed.\n",
(unsigned int)get_current_thread_id(),
file, line, function, assertion);
debug_stacks_print();
if(g_debugstreams[1])
fclose(g_debugstreams[1]);
//sleep_ms(3000);
abort();
}
/*
DebugStack
*/
DebugStack::DebugStack(threadid_t id)
{
threadid = id;
stack_i = 0;
stack_max_i = 0;
}
void DebugStack::print(FILE *file, bool everything)
{
fprintf(file, "BEGIN STACK: Debug stack for thread %x:\n",
(unsigned int)threadid);
for(int i=0; i<stack_max_i; i++)
{
if(i == stack_i && everything == false)
continue;
if(everything == true && i == stack_i)
fprintf(file, "END OF STACK.\n"
"! Continuing beyond stack end:\n");
fprintf(file, "#%d %s\n", i, stack[i]);
}
if(stack_i == DEBUG_STACK_SIZE)
fprintf(file, "Probably overflown.\n");
}
core::map<threadid_t, DebugStack*> g_debug_stacks;
JMutex g_debug_stacks_mutex;
void debug_stacks_init()
{
g_debug_stacks_mutex.Init();
}
void debug_stacks_print()
{
JMutexAutoLock lock(g_debug_stacks_mutex);
DEBUGPRINT("Debug stacks:\n");
for(core::map<threadid_t, DebugStack*>::Iterator
i = g_debug_stacks.getIterator();
i.atEnd() == false; i++)
{
DebugStack *stack = i.getNode()->getValue();
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);
core::map<threadid_t, DebugStack*>::Node *n;
n = g_debug_stacks.find(threadid);
if(n != NULL)
{
m_stack = n->getValue();
}
else
{
/*DEBUGPRINT("Creating new debug stack for thread %x\n",
(unsigned int)threadid);*/
m_stack = new DebugStack(threadid);
g_debug_stacks.insert(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.remove(threadid);
}
}
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