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/*
* rust_dom.h
*/
#ifndef RUST_DOM_H
#define RUST_DOM_H
#include "sync/lock_free_queue.h"
class rust_message : public lock_free_queue_node,
public dom_owned<rust_message> {
public:
rust_dom *dom;
rust_message(rust_dom *dom);
virtual ~rust_message() {}
virtual void process();
};
class kill_task_message : public rust_message {
rust_task *_task;
public:
kill_task_message(rust_dom *dom, rust_task *task);
void process();
};
struct rust_dom
{
// Fields known to the compiler:
uintptr_t interrupt_flag;
// Fields known only by the runtime:
// NB: the root crate must remain in memory until the root of the
// tree of domains exits. All domains within this tree have a
// copy of this root_crate value and use it for finding utility
// glue.
rust_crate const *root_crate;
rust_log _log;
rust_srv *srv;
ptr_vec<rust_task> running_tasks;
ptr_vec<rust_task> blocked_tasks;
ptr_vec<rust_task> dead_tasks;
ptr_vec<rust_crate_cache> caches;
randctx rctx;
rust_task *root_task;
rust_task *curr_task;
int rval;
condition_variable _progress;
// Incoming messages from other domains.
condition_variable _incoming_message_pending;
lock_free_queue _incoming_message_queue;
#ifndef __WIN32__
pthread_attr_t attr;
#endif
rust_dom(rust_srv *srv, rust_crate const *root_crate);
~rust_dom();
void activate(rust_task *task);
void log(rust_task *task, uint32_t logbit, char const *fmt, ...);
void log(uint32_t logbit, char const *fmt, ...);
rust_log & get_log();
void logptr(char const *msg, uintptr_t ptrval);
template<typename T>
void logptr(char const *msg, T* ptrval);
void fail();
void *malloc(size_t sz);
void *calloc(size_t sz);
void *realloc(void *data, size_t sz);
void free(void *p);
void send_message(rust_message *message);
void drain_incoming_message_queue();
#ifdef __WIN32__
void win32_require(LPCTSTR fn, BOOL ok);
#endif
rust_crate_cache *get_cache(rust_crate const *crate);
size_t n_live_tasks();
void add_task_to_state_vec(ptr_vec<rust_task> *v, rust_task *task);
void remove_task_from_state_vec(ptr_vec<rust_task> *v, rust_task *task);
const char *state_vec_name(ptr_vec<rust_task> *v);
void reap_dead_tasks();
rust_task *schedule_task();
int start_main_loop();
};
#endif /* RUST_DOM_H */
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