ruby/internal/thread.h

109 строки
4.0 KiB
C

#ifndef INTERNAL_THREAD_H /*-*-C-*-vi:se ft=c:*/
#define INTERNAL_THREAD_H
/**
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @brief Internal header for Thread.
*/
#include "ruby/ruby.h" /* for VALUE */
#include "ruby/intern.h" /* for rb_blocking_function_t */
#include "ccan/list/list.h" /* for list in rb_io_close_wait_list */
struct rb_thread_struct; /* in vm_core.h */
#define RB_VM_SAVE_MACHINE_CONTEXT(th) \
do { \
FLUSH_REGISTER_WINDOWS; \
setjmp((th)->ec->machine.regs); \
SET_MACHINE_STACK_END(&(th)->ec->machine.stack_end); \
} while (0)
/* thread.c */
#define COVERAGE_INDEX_LINES 0
#define COVERAGE_INDEX_BRANCHES 1
#define COVERAGE_TARGET_LINES 1
#define COVERAGE_TARGET_BRANCHES 2
#define COVERAGE_TARGET_METHODS 4
#define COVERAGE_TARGET_ONESHOT_LINES 8
#define COVERAGE_TARGET_EVAL 16
#define RUBY_FATAL_THREAD_KILLED INT2FIX(0)
#define RUBY_FATAL_THREAD_TERMINATED INT2FIX(1)
#define RUBY_FATAL_FIBER_KILLED RB_INT2FIX(2)
VALUE rb_obj_is_mutex(VALUE obj);
VALUE rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg);
void rb_thread_execute_interrupts(VALUE th);
VALUE rb_get_coverages(void);
int rb_get_coverage_mode(void);
VALUE rb_default_coverage(int);
VALUE rb_thread_shield_new(void);
bool rb_thread_shield_owned(VALUE self);
VALUE rb_thread_shield_wait(VALUE self);
VALUE rb_thread_shield_release(VALUE self);
VALUE rb_thread_shield_destroy(VALUE self);
int rb_thread_to_be_killed(VALUE thread);
void rb_thread_acquire_fork_lock(void);
void rb_thread_release_fork_lock(void);
void rb_thread_reset_fork_lock(void);
void rb_mutex_allow_trap(VALUE self, int val);
VALUE rb_uninterruptible(VALUE (*b_proc)(VALUE), VALUE data);
VALUE rb_mutex_owned_p(VALUE self);
VALUE rb_exec_recursive_outer_mid(VALUE (*f)(VALUE g, VALUE h, int r), VALUE g, VALUE h, ID mid);
void ruby_mn_threads_params(void);
int rb_thread_wait_for_single_fd(int fd, int events, struct timeval * timeout);
struct rb_io_close_wait_list {
struct ccan_list_head pending_fd_users;
VALUE closing_thread;
VALUE closing_fiber;
VALUE wakeup_mutex;
};
int rb_notify_fd_close(int fd, struct rb_io_close_wait_list *busy);
void rb_notify_fd_close_wait(struct rb_io_close_wait_list *busy);
void rb_ec_check_ints(struct rb_execution_context_struct *ec);
RUBY_SYMBOL_EXPORT_BEGIN
void *rb_thread_prevent_fork(void *(*func)(void *), void *data); /* for ext/socket/raddrinfo.c */
/* Temporary. This API will be removed (renamed). */
VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd);
VALUE rb_thread_io_blocking_call(rb_blocking_function_t *func, void *data1, int fd, int events);
/* thread.c (export) */
int ruby_thread_has_gvl_p(void); /* for ext/fiddle/closure.c */
RUBY_SYMBOL_EXPORT_END
int rb_threadptr_execute_interrupts(struct rb_thread_struct *th, int blocking_timing);
bool rb_thread_mn_schedulable(VALUE thread);
// interrupt exec
typedef VALUE (rb_interrupt_exec_func_t)(void *data);
enum rb_interrupt_exec_flag {
rb_interrupt_exec_flag_none = 0x00,
rb_interrupt_exec_flag_value_data = 0x01,
};
// interrupt the target_th and run func.
struct rb_ractor_struct;
void rb_threadptr_interrupt_exec(struct rb_thread_struct *target_th,
rb_interrupt_exec_func_t *func, void *data, enum rb_interrupt_exec_flag flags);
// create a thread in the target_r and run func on the created thread.
void rb_ractor_interrupt_exec(struct rb_ractor_struct *target_r,
rb_interrupt_exec_func_t *func, void *data, enum rb_interrupt_exec_flag flags);
void rb_threadptr_interrupt_exec_task_mark(struct rb_thread_struct *th);
#endif /* INTERNAL_THREAD_H */