X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fdebug.cpp;h=8c02f1d6b00ad54a403b13b72afd2c1c575e8c7f;hb=dec8c43de3afdbd2e257a031f5e053e7f1e74aa0;hp=ec23235cbd817d88bbd340b00bba661a47dceb29;hpb=b0971f4459fd37813dd4779f2ddaf9b38cf5f776;p=oweals%2Fminetest.git

diff --git a/src/debug.cpp b/src/debug.cpp
index ec23235cb..8c02f1d6b 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -1,33 +1,53 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 
+#include "porting.h"
 #include "debug.h"
+#include "exceptions.h"
+#include "threads.h"
 #include <stdio.h>
 #include <stdlib.h>
-
+#include <cstring>
+#include <map>
+#include "jthread/jmutex.h"
+#include "jthread/jmutexautolock.h"
+#include "config.h"
 /*
 	Debug output
 */
 
+#define DEBUGSTREAM_COUNT 2
+
 FILE *g_debugstreams[DEBUGSTREAM_COUNT] = {stderr, NULL};
 
+#define DEBUGPRINT(...)\
+{\
+	for(int i=0; i<DEBUGSTREAM_COUNT; i++)\
+	{\
+		if(g_debugstreams[i] != NULL){\
+			fprintf(g_debugstreams[i], __VA_ARGS__);\
+			fflush(g_debugstreams[i]);\
+		}\
+	}\
+}
+
 void debugstreams_init(bool disable_stderr, const char *filename)
 {
 	if(disable_stderr)
@@ -44,9 +64,6 @@ void debugstreams_init(bool disable_stderr, const char *filename)
 		fprintf(g_debugstreams[1],     "  Separator  \n");
 		fprintf(g_debugstreams[1],     "-------------\n\n");
 	}
-	
-	DEBUGPRINT("Debug streams initialized, disable_stderr=%d\n",
-			disable_stderr);
 }
 
 void debugstreams_deinit()
@@ -55,6 +72,50 @@ void debugstreams_deinit()
 		fclose(g_debugstreams[1]);
 }
 
+class Debugbuf : public std::streambuf
+{
+public:
+	Debugbuf(bool disable_stderr)
+	{
+		m_disable_stderr = disable_stderr;
+	}
+
+	int overflow(int c)
+	{
+		for(int i=0; i<DEBUGSTREAM_COUNT; i++)
+		{
+			if(g_debugstreams[i] == stderr && m_disable_stderr)
+				continue;
+			if(g_debugstreams[i] != NULL)
+				(void)fwrite(&c, 1, 1, g_debugstreams[i]);
+			//TODO: Is this slow?
+			fflush(g_debugstreams[i]);
+		}
+		
+		return c;
+	}
+	std::streamsize xsputn(const char *s, std::streamsize n)
+	{
+#ifdef __ANDROID__
+		__android_log_print(ANDROID_LOG_VERBOSE, PROJECT_NAME, "%s", s);
+#endif
+		for(int i=0; i<DEBUGSTREAM_COUNT; i++)
+		{
+			if(g_debugstreams[i] == stderr && m_disable_stderr)
+				continue;
+			if(g_debugstreams[i] != NULL)
+				(void)fwrite(s, 1, n, g_debugstreams[i]);
+			//TODO: Is this slow?
+			fflush(g_debugstreams[i]);
+		}
+
+		return n;
+	}
+	
+private:
+	bool m_disable_stderr;
+};
+
 Debugbuf debugbuf(false);
 std::ostream dstream(&debugbuf);
 Debugbuf debugbuf_no_stderr(true);
@@ -68,9 +129,9 @@ Nullstream dummyout;
 void assert_fail(const char *assertion, const char *file,
 		unsigned int line, const char *function)
 {
-	DEBUGPRINT("\nIn thread %x:\n"
+	DEBUGPRINT("\nIn thread %lx:\n"
 			"%s:%d: %s: Assertion '%s' failed.\n",
-			(unsigned int)get_current_thread_id(),
+			(unsigned long)get_current_thread_id(),
 			file, line, function, assertion);
 	
 	debug_stacks_print();
@@ -85,22 +146,35 @@ void assert_fail(const char *assertion, const char *file,
 	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 %x:\n",
-			(unsigned int)threadid);
+	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)
-			continue;
+			break;
 
 		if(i < stack_i)
 			fprintf(file, "#%d  %s\n", i, stack[i]);
@@ -112,13 +186,44 @@ void DebugStack::print(FILE *file, bool everything)
 		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;
+}
 
-core::map<threadid_t, DebugStack*> g_debug_stacks;
+std::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_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()
@@ -127,11 +232,11 @@ void debug_stacks_print()
 
 	DEBUGPRINT("Debug stacks:\n");
 
-	for(core::map<threadid_t, DebugStack*>::Iterator
-			i = g_debug_stacks.getIterator();
-			i.atEnd() == false; i++)
+	for(std::map<threadid_t, DebugStack*>::iterator
+			i = g_debug_stacks.begin();
+			i != g_debug_stacks.end(); ++i)
 	{
-		DebugStack *stack = i.getNode()->getValue();
+		DebugStack *stack = i->second;
 
 		for(int i=0; i<DEBUGSTREAM_COUNT; i++)
 		{
@@ -147,18 +252,18 @@ DebugStacker::DebugStacker(const char *text)
 
 	JMutexAutoLock lock(g_debug_stacks_mutex);
 
-	core::map<threadid_t, DebugStack*>::Node *n;
+	std::map<threadid_t, DebugStack*>::iterator n;
 	n = g_debug_stacks.find(threadid);
-	if(n != NULL)
+	if(n != g_debug_stacks.end())
 	{
-		m_stack = n->getValue();
+		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.insert(threadid, m_stack);
+		g_debug_stacks[threadid] = m_stack;
 	}
 
 	if(m_stack->stack_i >= DEBUG_STACK_SIZE)
@@ -192,12 +297,12 @@ DebugStacker::~DebugStacker()
 		/*DEBUGPRINT("Deleting debug stack for thread %x\n",
 				(unsigned int)threadid);*/
 		delete m_stack;
-		g_debug_stacks.remove(threadid);
+		g_debug_stacks.erase(threadid);
 	}
 }
 
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #if CATCH_UNHANDLED_EXCEPTIONS == 1
 void se_trans_func(unsigned int u, EXCEPTION_POINTERS* pExp)
 {