DLLEXPORT size_t jl_write(uv_stream_t *stream, const char *str, size_t n)
{
int err;
//TODO: BAD!! Needed because Julia can't yet detect null stdio
if (stream == 0)
return 0;
if (stream->type<UV_HANDLE_TYPE_MAX) { //is uv handle
if (stream->type == UV_FILE) {
JL_SIGATOMIC_BEGIN();
jl_uv_file_t *file = (jl_uv_file_t *)stream;
// Do a blocking write for now
uv_fs_t req;
uv_buf_t buf[1];
buf[0].base = (char*)str;
buf[0].len = n;
err = uv_fs_write(file->loop, &req, file->file, buf, 1, -1, NULL);
JL_SIGATOMIC_END();
return err ? 0 : n;
}
else {
uv_write_t *uvw = (uv_write_t*)malloc(sizeof(uv_write_t)+n);
err = jl_write_copy(stream,str,n,uvw, (void*)&jl_uv_writecb);
if (err < 0) {
free(uvw);
return 0;
}
return n;
}
}
else {
ios_t *handle = (ios_t*)stream;
return ios_write(handle,str,n);
}
}
void jl_write_compiler_output(void)
{
if (!jl_generating_output())
return;
if (!jl_options.incremental)
jl_precompile(jl_options.compile_enabled == JL_OPTIONS_COMPILE_ALL);
if (!jl_module_init_order) {
jl_printf(JL_STDERR, "WARNING: --output requested, but no modules defined during run\n");
return;
}
jl_array_t *worklist = jl_module_init_order;
JL_GC_PUSH1(&worklist);
jl_module_init_order = jl_alloc_vec_any(0);
int i, l = jl_array_len(worklist);
for (i = 0; i < l; i++) {
jl_value_t *m = jl_arrayref(worklist, i);
if (jl_get_global((jl_module_t*)m, jl_symbol("__init__"))) {
jl_array_ptr_1d_push(jl_module_init_order, m);
}
}
if (jl_options.incremental) {
if (jl_options.outputji)
if (jl_save_incremental(jl_options.outputji, worklist))
jl_exit(1);
if (jl_options.outputbc || jl_options.outputunoptbc)
jl_printf(JL_STDERR, "WARNING: incremental output to a .bc file is not implemented\n");
if (jl_options.outputo)
jl_printf(JL_STDERR, "WARNING: incremental output to a .o file is not implemented\n");
}
else {
ios_t *s = NULL;
if (jl_options.outputo || jl_options.outputbc || jl_options.outputunoptbc)
s = jl_create_system_image();
if (jl_options.outputji) {
if (s == NULL) {
jl_save_system_image(jl_options.outputji);
}
else {
ios_t f;
if (ios_file(&f, jl_options.outputji, 1, 1, 1, 1) == NULL)
jl_errorf("cannot open system image file \"%s\" for writing", jl_options.outputji);
ios_write(&f, (const char*)s->buf, (size_t)s->size);
ios_close(&f);
}
}
if (jl_options.outputo || jl_options.outputbc || jl_options.outputunoptbc)
jl_dump_native(jl_options.outputbc,
jl_options.outputunoptbc,
jl_options.outputo,
(const char*)s->buf, (size_t)s->size);
}
JL_GC_POP();
}
static void show_type(jl_value_t *t)
{
ios_t *s = jl_current_output_stream();
if (jl_is_func_type(t)) {
if (t == (jl_value_t*)jl_any_func) {
ios_puts("Function", s);
}
else {
jl_show((jl_value_t*)((jl_func_type_t*)t)->from);
ios_write(s, "-->", 3);
jl_show((jl_value_t*)((jl_func_type_t*)t)->to);
}
}
else if (t == (jl_value_t*)jl_function_type) {
ios_puts("Function", s);
}
else if (jl_is_union_type(t)) {
if (t == (jl_value_t*)jl_bottom_type) {
ios_write(s, "None", 4);
}
else if (t == jl_top_type) {
ios_write(s, "Top", 3);
}
else {
ios_write(s, "Union", 5);
show_tuple(((jl_uniontype_t*)t)->types, '(', ')', 0);
}
}
else if (jl_is_seq_type(t)) {
jl_show(jl_tparam0(t));
ios_write(s, "...", 3);
}
else if (jl_is_typector(t)) {
jl_show((jl_value_t*)((jl_typector_t*)t)->body);
}
else {
assert(jl_is_some_tag_type(t));
jl_tag_type_t *tt = (jl_tag_type_t*)t;
ios_puts(tt->name->name->name, s);
jl_tuple_t *p = tt->parameters;
if (p->length > 0)
show_tuple(p, '{', '}', 0);
}
}
int main()
{
int major;
int fd1, fd2, fd3;
float value1, value2, value3;
size_t i;
ios_init();
major = ios_install_driver( "mon_driver.so.1.0.1", "127.0.0.1", 8080 );
printf( "Result is : %d\n", major );
if( major < 0 )
{
ios_release();
return;
}
fd1 = ios_add_device( major, 7 );
printf( "Result is : %d\n", fd1 );
fd2 = ios_add_device( major, 3 );
printf( "Result is : %d\n", fd2 );
fd3 = ios_add_device( major, 2 );
ios_attach_global_handler( h );
ios_attach_handler( fd1, h1 );
for( i = 0; i < 60; i++ )
{
sleep( 10 );
ios_read( fd1, DRV_FIELD_TEMPERATURE, &value1 );
ios_read( fd2, DRV_FIELD_TEMPERATURE, &value2 );
ios_read( fd3, DRV_FIELD_TEMPERATURE, &value3 );
printf( "Temp1 : %f / Temp2 : %f / Temp3 : %f\n", value1, value2, value3 );
ios_write( fd2, 10 );
}
ios_remove_device( fd1 );
ios_remove_device( fd2 );
sleep( 1 );
ios_uninstall_driver( major );
ios_release();
return 0;
}
JL_DLLEXPORT void jl_uv_puts(uv_stream_t *stream, const char *str, size_t n)
{
assert(stream);
static_assert(offsetof(uv_stream_t,type) == offsetof(ios_t,bm) &&
sizeof(((uv_stream_t*)0)->type) == sizeof(((ios_t*)0)->bm),
"UV and ios layout mismatch");
uv_file fd = 0;
// Fallback for output during early initialisation...
if (stream == (void*)STDOUT_FILENO || stream == (void*)STDERR_FILENO) {
if (!jl_io_loop) jl_io_loop = uv_default_loop();
fd = (uv_file)(size_t)stream;
}
else if (stream->type == UV_FILE) {
fd = ((jl_uv_file_t*)stream)->file;
}
if (fd) {
// Write to file descriptor...
jl_fs_write(fd, str, n, -1);
}
else if (stream->type > UV_HANDLE_TYPE_MAX) {
// Write to ios.c stream...
// This is needed because caller jl_static_show() in builtins.c can be
// called from fl_print in flisp/print.c (via cvalue_printdata()),
// and cvalue_printdata() passes ios_t* to jl_static_show().
ios_write((ios_t*)stream, str, n);
}
else {
// Write to libuv stream...
uv_write_t *req = (uv_write_t*)malloc(sizeof(uv_write_t)+n);
char *data = (char*)(req+1);
memcpy(data,str,n);
uv_buf_t buf[1];
buf[0].base = data;
buf[0].len = n;
req->data = NULL;
JL_SIGATOMIC_BEGIN();
int status = uv_write(req, stream, buf, 1, (uv_write_cb)jl_uv_writecb);
JL_SIGATOMIC_END();
if (status < 0) {
jl_uv_writecb(req, status);
}
}
}
static void jl_serialize_tag_type(ios_t *s, jl_value_t *v)
{
if (jl_is_struct_type(v)) {
writetag(s, (jl_value_t*)jl_struct_kind);
jl_serialize_value(s, jl_struct_kind);
write_uint16(s, jl_tuple_len(((jl_struct_type_t*)v)->names));
write_int32(s, ((jl_struct_type_t*)v)->uid);
write_int32(s, ((jl_struct_type_t*)v)->size);
write_int32(s, ((jl_struct_type_t*)v)->alignment);
size_t nf = jl_tuple_len(((jl_struct_type_t*)v)->names);
ios_write(s, (char*)&((jl_struct_type_t*)v)->fields[0], nf*sizeof(jl_fielddesc_t));
jl_serialize_value(s, ((jl_struct_type_t*)v)->name);
jl_serialize_value(s, ((jl_struct_type_t*)v)->parameters);
jl_serialize_value(s, ((jl_struct_type_t*)v)->super);
jl_serialize_value(s, ((jl_struct_type_t*)v)->names);
jl_serialize_value(s, ((jl_struct_type_t*)v)->types);
jl_serialize_value(s, ((jl_struct_type_t*)v)->ctor_factory);
jl_serialize_value(s, ((jl_struct_type_t*)v)->env);
jl_serialize_value(s, ((jl_struct_type_t*)v)->linfo);
jl_serialize_fptr(s, ((jl_struct_type_t*)v)->fptr);
}
else if (jl_is_bits_type(v)) {
writetag(s, jl_struct_kind);
jl_serialize_value(s, jl_bits_kind);
if (v == (jl_value_t*)jl_int32_type)
write_uint8(s, 2);
else if (v == (jl_value_t*)jl_bool_type)
write_uint8(s, 3);
else if (v == (jl_value_t*)jl_int64_type)
write_uint8(s, 4);
else
write_uint8(s, 0);
jl_serialize_value(s, ((jl_tag_type_t*)v)->name);
jl_serialize_value(s, ((jl_bits_type_t*)v)->parameters);
write_int32(s, ((jl_bits_type_t*)v)->nbits);
jl_serialize_value(s, ((jl_bits_type_t*)v)->super);
write_int32(s, ((jl_bits_type_t*)v)->uid);
}
else {
assert(jl_is_tag_type(v));
writetag(s, jl_tag_kind);
jl_serialize_value(s, ((jl_tag_type_t*)v)->name);
jl_serialize_value(s, ((jl_tag_type_t*)v)->parameters);
jl_serialize_value(s, ((jl_tag_type_t*)v)->super);
}
}
DLLEXPORT void jl_print_array_uint8(jl_array_t *b)
{
ios_write(jl_current_output_stream(), (char*)b->data, b->length);
}
static void jl_serialize_value_(ios_t *s, jl_value_t *v)
{
if (v == NULL) {
write_uint8(s, Null_tag);
return;
}
void **bp = ptrhash_bp(&ser_tag, v);
if (*bp != HT_NOTFOUND) {
write_as_tag(s, (uint8_t)(ptrint_t)*bp);
return;
}
if (tree_literal_values) {
// compressing tree
if (!is_ast_node(v)) {
writetag(s, (jl_value_t*)LiteralVal_tag);
write_uint16(s, literal_val_id(v));
return;
}
}
else {
bp = ptrhash_bp(&backref_table, v);
if (*bp != HT_NOTFOUND) {
write_uint8(s, BackRef_tag);
write_int32(s, (ptrint_t)*bp);
return;
}
ptrhash_put(&backref_table, v, (void*)(ptrint_t)ios_pos(s));
}
size_t i;
if (jl_is_tuple(v)) {
size_t l = ((jl_tuple_t*)v)->length;
if (l <= 255) {
writetag(s, jl_tuple_type);
write_uint8(s, (uint8_t)l);
}
else {
writetag(s, (jl_value_t*)LongTuple_tag);
write_int32(s, l);
}
for(i=0; i < l; i++) {
jl_serialize_value(s, jl_tupleref(v, i));
}
}
else if (jl_is_symbol(v)) {
size_t l = strlen(((jl_sym_t*)v)->name);
if (l <= 255) {
writetag(s, jl_symbol_type);
write_uint8(s, (uint8_t)l);
}
else {
writetag(s, (jl_value_t*)LongSymbol_tag);
write_int32(s, l);
}
ios_write(s, ((jl_sym_t*)v)->name, l);
}
else if (jl_is_array(v)) {
jl_array_t *ar = (jl_array_t*)v;
writetag(s, (jl_value_t*)jl_array_type);
jl_serialize_value(s, ar->type);
jl_value_t *elty = jl_tparam0(ar->type);
for (i=0; i < ar->ndims; i++)
jl_serialize_value(s, jl_box_long(jl_array_dim(ar,i)));
if (jl_is_bits_type(elty)) {
size_t tot = ar->length * ar->elsize;
ios_write(s, ar->data, tot);
}
else {
for(i=0; i < ar->length; i++) {
jl_serialize_value(s, jl_cellref(v, i));
}
}
}
else if (jl_is_expr(v)) {
jl_expr_t *e = (jl_expr_t*)v;
size_t l = e->args->length;
if (l <= 255) {
writetag(s, jl_expr_type);
write_uint8(s, (uint8_t)l);
}
else {
writetag(s, (jl_value_t*)LongExpr_tag);
write_int32(s, l);
}
jl_serialize_value(s, e->head);
jl_serialize_value(s, e->etype);
for(i=0; i < l; i++) {
jl_serialize_value(s, jl_exprarg(e, i));
}
}
else if (jl_is_some_tag_type(v)) {
jl_serialize_tag_type(s, v);
}
else if (jl_is_typevar(v)) {
writetag(s, jl_tvar_type);
jl_serialize_value(s, ((jl_tvar_t*)v)->name);
jl_serialize_value(s, ((jl_tvar_t*)v)->lb);
jl_serialize_value(s, ((jl_tvar_t*)v)->ub);
write_int8(s, ((jl_tvar_t*)v)->bound);
}
else if (jl_is_function(v)) {
writetag(s, jl_func_kind);
jl_serialize_value(s, v->type);
jl_function_t *f = (jl_function_t*)v;
jl_serialize_value(s, (jl_value_t*)f->linfo);
jl_serialize_value(s, f->env);
if (f->linfo && f->linfo->ast &&
(jl_is_expr(f->linfo->ast) || jl_is_tuple(f->linfo->ast)) &&
f->fptr != &jl_trampoline) {
write_int32(s, 0);
}
else {
jl_serialize_fptr(s, f->fptr);
}
}
else if (jl_is_lambda_info(v)) {
writetag(s, jl_lambda_info_type);
jl_lambda_info_t *li = (jl_lambda_info_t*)v;
jl_serialize_value(s, li->ast);
jl_serialize_value(s, (jl_value_t*)li->sparams);
// don't save cached type info for code in the Base module, because
// it might reference types in the old System module.
if (li->module == jl_base_module)
jl_serialize_value(s, (jl_value_t*)jl_null);
else
jl_serialize_value(s, (jl_value_t*)li->tfunc);
jl_serialize_value(s, (jl_value_t*)li->name);
jl_serialize_value(s, (jl_value_t*)li->specTypes);
jl_serialize_value(s, (jl_value_t*)li->specializations);
jl_serialize_value(s, (jl_value_t*)li->inferred);
jl_serialize_value(s, (jl_value_t*)li->file);
jl_serialize_value(s, (jl_value_t*)li->line);
jl_serialize_value(s, (jl_value_t*)li->module);
}
else if (jl_typeis(v, jl_module_type)) {
jl_serialize_module(s, (jl_module_t*)v);
}
else if (jl_typeis(v, jl_methtable_type)) {
writetag(s, jl_methtable_type);
jl_methtable_t *mt = (jl_methtable_t*)v;
jl_serialize_methlist(s, mt->defs);
jl_serialize_methlist(s, mt->cache);
jl_serialize_value(s, mt->cache_1arg);
write_int32(s, mt->max_args);
}
else if (jl_typeis(v, jl_task_type)) {
jl_error("Task cannot be serialized");
}
else {
jl_value_t *t = (jl_value_t*)jl_typeof(v);
if (jl_is_bits_type(t)) {
void *data = jl_bits_data(v);
if (t == (jl_value_t*)jl_int64_type &&
*(int64_t*)data >= S32_MIN && *(int64_t*)data <= S32_MAX) {
writetag(s, (jl_value_t*)SmallInt64_tag);
write_int32(s, (int32_t)*(int64_t*)data);
}
else {
int nb = ((jl_bits_type_t*)t)->nbits;
writetag(s, jl_bits_kind);
jl_serialize_value(s, t);
ios_write(s, data, nb/8);
}
}
else if (jl_is_struct_type(t)) {
writetag(s, jl_struct_kind);
jl_serialize_value(s, t);
size_t nf = ((jl_struct_type_t*)t)->names->length;
size_t i;
for(i=0; i < nf; i++) {
jl_value_t *fld = ((jl_value_t**)v)[i+1];
jl_serialize_value(s, fld);
}
if (t == jl_idtable_type) {
jl_cell_1d_push(idtable_list, v);
}
}
else {
assert(0);
}
}
}
static void outsn(char *s, ios_t *f, size_t n)
{
ios_write(f, s, n);
HPOS += u8_strwidth(s);
}
void jl_write_compiler_output(void)
{
if (!jl_generating_output()) {
if (jl_options.outputjitbc)
jl_dump_native(NULL, jl_options.outputjitbc, NULL, NULL, 0);
return;
}
if (!jl_options.incremental)
jl_precompile(jl_options.compile_enabled == JL_OPTIONS_COMPILE_ALL);
if (!jl_module_init_order) {
jl_printf(JL_STDERR, "WARNING: --output requested, but no modules defined during run\n");
return;
}
if (jl_options.outputjitbc) {
jl_printf(JL_STDERR, "WARNING: --output-jit-bc is meaningless with options for dumping sysimage data\n");
}
jl_array_t *worklist = jl_module_init_order;
JL_GC_PUSH1(&worklist);
jl_module_init_order = jl_alloc_vec_any(0);
int i, l = jl_array_len(worklist);
for (i = 0; i < l; i++) {
jl_value_t *m = jl_ptrarrayref(worklist, i);
jl_value_t *f = jl_get_global((jl_module_t*)m, jl_symbol("__init__"));
if (f) {
jl_array_ptr_1d_push(jl_module_init_order, m);
// TODO: this would be better handled if moved entirely to jl_precompile
// since it's a slightly duplication of effort
jl_value_t *tt = jl_is_type(f) ? (jl_value_t*)jl_wrap_Type(f) : jl_typeof(f);
JL_GC_PUSH1(&tt);
tt = (jl_value_t*)jl_apply_tuple_type_v(&tt, 1);
jl_compile_hint((jl_tupletype_t*)tt);
JL_GC_POP();
}
}
if (jl_options.incremental) {
if (jl_options.outputji)
if (jl_save_incremental(jl_options.outputji, worklist))
jl_exit(1);
if (jl_options.outputbc || jl_options.outputunoptbc)
jl_printf(JL_STDERR, "WARNING: incremental output to a .bc file is not implemented\n");
if (jl_options.outputo)
jl_printf(JL_STDERR, "WARNING: incremental output to a .o file is not implemented\n");
}
else {
ios_t *s = NULL;
if (jl_options.outputo || jl_options.outputbc || jl_options.outputunoptbc)
s = jl_create_system_image();
if (jl_options.outputji) {
if (s == NULL) {
jl_save_system_image(jl_options.outputji);
}
else {
ios_t f;
if (ios_file(&f, jl_options.outputji, 1, 1, 1, 1) == NULL)
jl_errorf("cannot open system image file \"%s\" for writing", jl_options.outputji);
ios_write(&f, (const char*)s->buf, (size_t)s->size);
ios_close(&f);
}
}
if (jl_options.outputo || jl_options.outputbc || jl_options.outputunoptbc) {
assert(s);
jl_dump_native(jl_options.outputbc,
jl_options.outputunoptbc,
jl_options.outputo,
(const char*)s->buf, (size_t)s->size);
}
}
for (size_t i = 0; i < jl_current_modules.size; i += 2) {
if (jl_current_modules.table[i + 1] != HT_NOTFOUND) {
jl_printf(JL_STDERR, "\nWARNING: detected unclosed module: ");
jl_static_show(JL_STDERR, (jl_value_t*)jl_current_modules.table[i]);
jl_printf(JL_STDERR, "\n ** incremental compilation may be broken for this module **\n\n");
}
}
JL_GC_POP();
}
static void outsn(fl_context_t *fl_ctx, char *s, ios_t *f, size_t n)
{
ios_write(f, s, n);
fl_ctx->HPOS += u8_strwidth(s);
}
