haiku.git

/*
 * Copyright 2003-2009, Axel Dörfler, axeld@pinc-software.de.
 * Distributed under the terms of the MIT License.
 */


#include <pthread.h>
#include <string.h>

#include <OS.h>
#include <image.h>

#include <user_runtime.h>

#include <runtime_loader.h>

#include <fork.h>
#include <libroot_private.h>
#include <pthread_private.h>


struct rld_export *__gRuntimeLoader = NULL;
	// This little bugger is set to something meaningful by the runtime loader
	// Ugly, eh?

const void* __gCommPageAddress;

char *__progname = NULL;
int __libc_argc;
char **__libc_argv;

int __gABIVersion;
int __gAPIVersion;
int32 __gCPUCount;

char _single_threaded = true;
	// determines if I/O locking needed; needed for BeOS compatibility

thread_id __main_thread_id;
char **argv_save;
	// needed for BeOS compatibility - they are set in the startup code
	// (have a look at the glue/ directory)

int _data_offset_main_;
	// this is obviously needed for R4.5 compatiblity


void
initialize_before(image_id imageID)
{
	system_info info;
	char *programPath = __gRuntimeLoader->program_args->args[0];
	__gCommPageAddress = __gRuntimeLoader->commpage_address;
	__gABIVersion = __gRuntimeLoader->abi_version;
	__gAPIVersion = __gRuntimeLoader->api_version;

	if (programPath) {
		if ((__progname = strrchr(programPath, '/')) == NULL)
			__progname = programPath;
		else
			__progname++;
	}

	__libc_argc = __gRuntimeLoader->program_args->arg_count;
	__libc_argv = argv_save = __gRuntimeLoader->program_args->args;

	__gRuntimeLoader->call_atexit_hooks_for_range
		= _call_atexit_hooks_for_range;

	if (__gRuntimeLoader->program_args->umask != (mode_t)-1)
		umask(__gRuntimeLoader->program_args->umask);

	__main_thread_id = pthread_self()->id = find_thread(NULL);

	get_system_info(&info);
	__gCPUCount = info.cpu_count;

	__init_time((addr_t)__gCommPageAddress);
	__init_env(__gRuntimeLoader->program_args);
	__init_heap();
	__init_env_post_heap();
	__init_pwd_backend();
	__init_stack_protector();
	__set_stack_protection();
}


void _init_c_library_(void);
void
_init_c_library_(void)
{
	// This function is called from the BeOS start_dyn.o - so it's called once
	// for every application that was compiled under BeOS.
	// Our libroot functions are already initialized above, so we don't have to
	// do anything here.
}


void
terminate_after(image_id id)
{
	__heap_terminate_after();
}