// load from filename given as a ByteString object
DLLEXPORT jl_value_t *jl_load_(jl_value_t *str)
{
return jl_load(jl_string_data(str));
}
void julia_init(char *imageFile)
{
jl_page_size = jl_getpagesize();
jl_find_stack_bottom();
jl_dl_handle = jl_load_dynamic_library(NULL, JL_RTLD_DEFAULT);
#ifdef _OS_WINDOWS_
uv_dlopen("ntdll.dll",jl_ntdll_handle); //bypass julia's pathchecking for system dlls
uv_dlopen("Kernel32.dll",jl_kernel32_handle);
uv_dlopen("msvcrt.dll",jl_crtdll_handle);
uv_dlopen("Ws2_32.dll",jl_winsock_handle);
_jl_exe_handle.handle = GetModuleHandleA(NULL);
if (!DuplicateHandle( GetCurrentProcess(), GetCurrentThread(),
GetCurrentProcess(), (PHANDLE)&hMainThread, 0,
TRUE, DUPLICATE_SAME_ACCESS )) {
JL_PRINTF(JL_STDERR, "Couldn't access handle to main thread\n");
}
#if defined(_CPU_X86_64_)
SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS);
SymInitialize(GetCurrentProcess(), NULL, 1);
needsSymRefreshModuleList = 0;
#endif
#endif
jl_io_loop = uv_default_loop(); //this loop will internal events (spawining process etc.)
init_stdio();
#if defined(__linux__)
int ncores = jl_cpu_cores();
if (ncores > 1) {
cpu_set_t cpumask;
CPU_ZERO(&cpumask);
for(int i=0; i < ncores; i++) {
CPU_SET(i, &cpumask);
}
sched_setaffinity(0, sizeof(cpu_set_t), &cpumask);
}
#endif
#ifdef JL_GC_MARKSWEEP
jl_gc_init();
jl_gc_disable();
#endif
jl_init_frontend();
jl_init_types();
jl_init_tasks(jl_stack_lo, jl_stack_hi-jl_stack_lo);
jl_init_codegen();
jl_an_empty_cell = (jl_value_t*)jl_alloc_cell_1d(0);
jl_init_serializer();
if (!imageFile) {
jl_main_module = jl_new_module(jl_symbol("Main"));
jl_main_module->parent = jl_main_module;
jl_core_module = jl_new_module(jl_symbol("Core"));
jl_core_module->parent = jl_main_module;
jl_set_const(jl_main_module, jl_symbol("Core"),
(jl_value_t*)jl_core_module);
jl_module_using(jl_main_module, jl_core_module);
jl_current_module = jl_core_module;
jl_init_intrinsic_functions();
jl_init_primitives();
jl_load("boot.jl");
jl_get_builtin_hooks();
jl_boot_file_loaded = 1;
jl_init_box_caches();
}
if (imageFile) {
JL_TRY {
jl_restore_system_image(imageFile);
}
JL_CATCH {
JL_PRINTF(JL_STDERR, "error during init:\n");
jl_show(jl_stderr_obj(), jl_exception_in_transit);
JL_PRINTF(JL_STDERR, "\n");
jl_exit(1);
}
}
// set module field of primitive types
int i;
void **table = jl_core_module->bindings.table;
for(i=1; i < jl_core_module->bindings.size; i+=2) {
if (table[i] != HT_NOTFOUND) {
jl_binding_t *b = (jl_binding_t*)table[i];
if (b->value && jl_is_datatype(b->value)) {
jl_datatype_t *tt = (jl_datatype_t*)b->value;
tt->name->module = jl_core_module;
}
}
}
// the Main module is the one which is always open, and set as the
// current module for bare (non-module-wrapped) toplevel expressions.
// it does "using Base" if Base is available.
if (jl_base_module != NULL) {
jl_add_standard_imports(jl_main_module);
}
// eval() uses Main by default, so Main.eval === Core.eval
jl_module_import(jl_main_module, jl_core_module, jl_symbol("eval"));
jl_current_module = jl_main_module;
#ifndef _OS_WINDOWS_
signal_stack = malloc(SIGSTKSZ);
struct sigaction actf;
memset(&actf, 0, sizeof(struct sigaction));
sigemptyset(&actf.sa_mask);
actf.sa_handler = fpe_handler;
actf.sa_flags = 0;
if (sigaction(SIGFPE, &actf, NULL) < 0) {
JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno));
jl_exit(1);
}
#if defined(_OS_LINUX_)
stack_t ss;
ss.ss_flags = 0;
ss.ss_size = SIGSTKSZ;
ss.ss_sp = signal_stack;
if (sigaltstack(&ss, NULL) < 0) {
JL_PRINTF(JL_STDERR, "sigaltstack: %s\n", strerror(errno));
jl_exit(1);
}
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));
sigemptyset(&act.sa_mask);
act.sa_sigaction = segv_handler;
act.sa_flags = SA_ONSTACK | SA_SIGINFO;
if (sigaction(SIGSEGV, &act, NULL) < 0) {
JL_PRINTF(JL_STDERR, "sigaction: %s\n", strerror(errno));
jl_exit(1);
}
if (signal(SIGPIPE,SIG_IGN) == SIG_ERR) {
JL_PRINTF(JL_STDERR, "Couldn't set SIGPIPE\n");
jl_exit(1);
}
#elif defined (_OS_DARWIN_)
kern_return_t ret;
mach_port_t self = mach_task_self();
ret = mach_port_allocate(self,MACH_PORT_RIGHT_RECEIVE,&segv_port);
HANDLE_MACH_ERROR("mach_port_allocate",ret);
ret = mach_port_insert_right(self,segv_port,segv_port,MACH_MSG_TYPE_MAKE_SEND);
HANDLE_MACH_ERROR("mach_port_insert_right",ret);
// Alright, create a thread to serve as the listener for exceptions
pthread_t thread;
pthread_attr_t attr;
if (pthread_attr_init(&attr) != 0)
{
JL_PRINTF(JL_STDERR, "pthread_attr_init failed");
jl_exit(1);
}
pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED);
if (pthread_create(&thread,&attr,mach_segv_listener,NULL) != 0)
{
JL_PRINTF(JL_STDERR, "pthread_create failed");
jl_exit(1);
}
pthread_attr_destroy(&attr);
ret = task_set_exception_ports(self,EXC_MASK_BAD_ACCESS,segv_port,EXCEPTION_DEFAULT,MACHINE_THREAD_STATE);
HANDLE_MACH_ERROR("task_set_exception_ports",ret);
#endif
#else
if (signal(SIGFPE, (void (__cdecl *)(int))fpe_handler) == SIG_ERR) {
JL_PRINTF(JL_STDERR, "Couldn't set SIGFPE\n");
jl_exit(1);
}
#endif
#ifdef JL_GC_MARKSWEEP
jl_gc_enable();
#endif
}
// load from filename given as a ByteString object
DLLEXPORT void jl_load_(jl_value_t *str)
{
jl_load(jl_string_data(str));
}
void julia_init(char *imageFile)
{
jl_page_size = sysconf(_SC_PAGESIZE);
jl_find_stack_bottom();
jl_dl_handle = jl_load_dynamic_library(NULL);
#ifdef JL_GC_MARKSWEEP
jl_gc_init();
jl_gc_disable();
#endif
jl_init_frontend();
jl_init_types();
jl_init_tasks(jl_stack_lo, jl_stack_hi-jl_stack_lo);
jl_init_codegen();
jl_an_empty_cell = (jl_value_t*)jl_alloc_cell_1d(0);
jl_init_serializer();
if (!imageFile) {
jl_base_module = jl_new_module(jl_symbol("Base"));
jl_current_module = jl_base_module;
jl_init_intrinsic_functions();
jl_init_primitives();
jl_load("src/boot.jl");
jl_get_builtin_hooks();
jl_boot_file_loaded = 1;
jl_init_box_caches();
}
if (imageFile) {
JL_TRY {
jl_restore_system_image(imageFile);
}
JL_CATCH {
ios_printf(ios_stderr, "error during init:\n");
jl_show(jl_exception_in_transit);
ios_printf(ios_stdout, "\n");
exit(1);
}
}
struct sigaction actf;
memset(&actf, 0, sizeof(struct sigaction));
sigemptyset(&actf.sa_mask);
actf.sa_handler = fpe_handler;
actf.sa_flags = 0;
if (sigaction(SIGFPE, &actf, NULL) < 0) {
ios_printf(ios_stderr, "sigaction: %s\n", strerror(errno));
exit(1);
}
stack_t ss;
ss.ss_flags = 0;
ss.ss_size = SIGSTKSZ;
ss.ss_sp = malloc(ss.ss_size);
if (sigaltstack(&ss, NULL) < 0) {
ios_printf(ios_stderr, "sigaltstack: %s\n", strerror(errno));
exit(1);
}
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));
sigemptyset(&act.sa_mask);
act.sa_sigaction = segv_handler;
act.sa_flags = SA_ONSTACK | SA_SIGINFO;
if (sigaction(SIGSEGV, &act, NULL) < 0) {
ios_printf(ios_stderr, "sigaction: %s\n", strerror(errno));
exit(1);
}
#ifdef JL_GC_MARKSWEEP
jl_gc_enable();
#endif
}
