thread_win32.c File Reference

#include <process.h>

Data Structures
struct	cond_event_entry
Defines
#define	TIME_QUANTUM_USEC (100 * 1000)
#define	RB_CONDATTR_CLOCK_MONOTONIC 1
#define	native_thread_yield() Sleep(0)
#define	remove_signal_thread_list(th)
#define	GVL_DEBUG 0
#define	ubf_select ubf_handle
#define	start_thread CreateThread
#define	thread_errno rb_w32_map_errno(GetLastError())
#define	TIMET_MAX (~(time_t)0 <= 0 ? (time_t)((~(unsigned_time_t)0) >> 1) : (time_t)(~(unsigned_time_t)0))
#define	CHECK_ERR(expr) {if (!(expr)) {rb_bug("err: %lu - %s", GetLastError(), #expr);}}
#define	InterlockedExchangePointer(t, v) (void )InterlockedExchange((long )(t), (long)(v))
Typedefs
typedef LPTHREAD_START_ROUTINE	w32_thread_start_func
typedef unsigned long	unsigned_time_t
Functions
static int	w32_wait_events (HANDLE events, int count, DWORD timeout, rb_thread_t th)
static int	native_mutex_lock (rb_thread_lock_t *lock)
static int	native_mutex_unlock (rb_thread_lock_t *lock)
static void	w32_error (const char *func)
static int	w32_mutex_lock (HANDLE lock)
static HANDLE	w32_mutex_create (void)
static void	gvl_acquire (rb_vm_t vm, rb_thread_t th)
static void	gvl_release (rb_vm_t *vm)
static void	gvl_yield (rb_vm_t vm, rb_thread_t th)
static void	gvl_atfork (rb_vm_t *vm)
static void	gvl_init (rb_vm_t *vm)
static void	gvl_destroy (rb_vm_t *vm)
static rb_thread_t *	ruby_thread_from_native (void)
static int	ruby_thread_set_native (rb_thread_t *th)
void	Init_native_thread (void)
static void	w32_set_event (HANDLE handle)
static void	w32_reset_event (HANDLE handle)
static void	ubf_handle (void *ptr)
int	rb_w32_wait_events_blocking (HANDLE *events, int num, DWORD timeout)
int	rb_w32_wait_events (HANDLE *events, int num, DWORD timeout)
static void	w32_close_handle (HANDLE handle)
static void	w32_resume_thread (HANDLE handle)
static HANDLE	w32_create_thread (DWORD stack_size, w32_thread_start_func func, void *val)
int	rb_w32_sleep (unsigned long msec)
int WINAPI	rb_w32_Sleep (unsigned long msec)
static void	native_sleep (rb_thread_t th, struct timeval tv)
static int	native_mutex_trylock (rb_thread_lock_t *lock)
static void	native_mutex_initialize (rb_thread_lock_t *lock)
static void	native_mutex_destroy (rb_thread_lock_t *lock)
static void	native_cond_signal (rb_thread_cond_t *cond)
static void	native_cond_broadcast (rb_thread_cond_t *cond)
static int	__cond_timedwait (rb_thread_cond_t cond, rb_thread_lock_t mutex, unsigned long msec)
static int	native_cond_wait (rb_thread_cond_t cond, rb_thread_lock_t mutex)
static unsigned long	abs_timespec_to_timeout_ms (struct timespec *ts)
static int	native_cond_timedwait (rb_thread_cond_t cond, rb_thread_lock_t mutex, struct timespec *ts)
static struct timespec	native_cond_timeout (rb_thread_cond_t *cond, struct timespec timeout_rel)
static void	native_cond_initialize (rb_thread_cond_t *cond, int flags)
static void	native_cond_destroy (rb_thread_cond_t *cond)
void	ruby_init_stack (volatile VALUE *addr)
static void	native_thread_init_stack (rb_thread_t *th)
static void	native_thread_destroy (rb_thread_t *th)
static unsigned long _stdcall	thread_start_func_1 (void *th_ptr)
static int	native_thread_create (rb_thread_t *th)
static void	native_thread_join (HANDLE th)
int	rb_w32_select_with_thread (int, fd_set , fd_set , fd_set , struct timeval , void *)
static int	native_fd_select (int n, rb_fdset_t readfds, rb_fdset_t writefds, rb_fdset_t exceptfds, struct timeval timeout, rb_thread_t *th)
int	rb_w32_check_interrupt (rb_thread_t *th)
static unsigned long _stdcall	timer_thread_func (void *dummy)
void	rb_thread_wakeup_timer_thread (void)
static void	rb_thread_create_timer_thread (void)
static int	native_stop_timer_thread (int close_anyway)
static void	native_reset_timer_thread (void)
int	rb_reserved_fd_p (int fd)
Variables
static volatile DWORD	ruby_native_thread_key = TLS_OUT_OF_INDEXES
static HANDLE	timer_thread_id = 0
static HANDLE	timer_thread_lock

Define Documentation

#define CHECK_ERR ( expr ) {if (!(expr)) {rb_bug("err: %lu - %s", GetLastError(), #expr);}}

Definition at line 575 of file thread_win32.c.

#define GVL_DEBUG 0

Definition at line 93 of file thread_win32.c.

Referenced by gvl_acquire(), gvl_destroy(), and gvl_init().

#define InterlockedExchangePointer	(	t,
		v		)	(void )InterlockedExchange((long )(t), (long)(v))

Definition at line 597 of file thread_win32.c.

Referenced by native_thread_destroy().

#define native_thread_yield ( ) Sleep(0)

Definition at line 21 of file thread_win32.c.

#define RB_CONDATTR_CLOCK_MONOTONIC 1

Definition at line 17 of file thread_win32.c.

#define remove_signal_thread_list ( th )

Definition at line 22 of file thread_win32.c.

Referenced by blocking_region_end().

#define start_thread CreateThread

Definition at line 274 of file thread_win32.c.

Referenced by w32_create_thread().

#define thread_errno rb_w32_map_errno(GetLastError())

Definition at line 275 of file thread_win32.c.

Referenced by native_thread_create().

#define TIME_QUANTUM_USEC (100 * 1000)

Definition at line 16 of file thread_win32.c.

#define TIMET_MAX (~(time_t)0 <= 0 ? (time_t)((~(unsigned_time_t)0) >> 1) : (time_t)(~(unsigned_time_t)0))

Definition at line 525 of file thread_win32.c.

#define ubf_select ubf_handle

Definition at line 229 of file thread_win32.c.

Typedef Documentation

typedef unsigned long unsigned_time_t

Definition at line 516 of file thread_win32.c.

typedef LPTHREAD_START_ROUTINE w32_thread_start_func

Definition at line 276 of file thread_win32.c.

Function Documentation

static int __cond_timedwait	(	rb_thread_cond_t *	cond,
		rb_thread_lock_t *	mutex,
		unsigned long	msec
	)			`[static]`

Definition at line 451 of file thread_win32.c.

References ETIMEDOUT, cond_event_entry::event, FALSE, native_mutex_lock(), native_mutex_unlock(), cond_event_entry::next, cond_event_entry::prev, rb_bug(), and w32_close_handle().

Referenced by native_cond_timedwait(), and native_cond_wait().

static unsigned long abs_timespec_to_timeout_ms ( struct timespec * ts ) [static]

Definition at line 488 of file thread_win32.c.

References gettimeofday(), NULL, rb_w32_time_subtract(), timespec::tv_nsec, timespec::tv_sec, timeval::tv_sec, and timeval::tv_usec.

Referenced by native_cond_timedwait().

static void gvl_acquire	(	rb_vm_t *	vm,
		rb_thread_t *	th
	)			`[static]`

Definition at line 96 of file thread_win32.c.

References rb_vm_struct::gvl, GVL_DEBUG, rb_global_vm_lock_struct::lock, and w32_mutex_lock().

Referenced by gvl_yield(), and w32_wait_events().

static void gvl_atfork ( rb_vm_t * vm ) [static]

Definition at line 118 of file thread_win32.c.

References rb_bug().

static void gvl_destroy ( rb_vm_t * vm ) [static]

Definition at line 131 of file thread_win32.c.

References rb_vm_struct::gvl, GVL_DEBUG, and rb_global_vm_lock_struct::lock.

static void gvl_init ( rb_vm_t * vm ) [static]

Definition at line 124 of file thread_win32.c.

References rb_vm_struct::gvl, GVL_DEBUG, rb_global_vm_lock_struct::lock, and w32_mutex_create().

static void gvl_release ( rb_vm_t * vm ) [static]

Definition at line 103 of file thread_win32.c.

References rb_vm_struct::gvl, and rb_global_vm_lock_struct::lock.

Referenced by gvl_yield(), and w32_wait_events().

static void gvl_yield	(	rb_vm_t *	vm,
		rb_thread_t *	th
	)			`[static]`

Definition at line 109 of file thread_win32.c.

References gvl_acquire(), gvl_release(), native_thread_yield, and rb_thread_struct::vm.

void Init_native_thread ( void )

Definition at line 150 of file thread_win32.c.

References FALSE, GET_THREAD, native_thread_data_struct::interrupt_event, rb_thread_struct::native_thread_data, ruby_native_thread_key, ruby_thread_set_native(), thread_debug, rb_thread_struct::thread_id, and TRUE.

static void native_cond_broadcast ( rb_thread_cond_t * cond ) [static]

Definition at line 429 of file thread_win32.c.

References cond_event_entry::event, cond_event_entry::next, rb_thread_cond_struct::next, cond_event_entry::prev, and prev.

static void native_cond_destroy ( rb_thread_cond_t * cond ) [static]

Definition at line 565 of file thread_win32.c.

static void native_cond_initialize	(	rb_thread_cond_t *	cond,
		int	flags
	)			`[static]`

Definition at line 558 of file thread_win32.c.

References rb_thread_cond_struct::next, and rb_thread_cond_struct::prev.

static void native_cond_signal ( rb_thread_cond_t * cond ) [static]

Definition at line 410 of file thread_win32.c.

References cond_event_entry::event, cond_event_entry::next, rb_thread_cond_struct::next, cond_event_entry::prev, and prev.

static int native_cond_timedwait	(	rb_thread_cond_t *	cond,
		rb_thread_lock_t *	mutex,
		struct timespec *	ts
	)			`[static]`

Definition at line 504 of file thread_win32.c.

References __cond_timedwait(), abs_timespec_to_timeout_ms(), and ETIMEDOUT.

static struct timespec native_cond_timeout	(	rb_thread_cond_t *	cond,
		struct timespec	timeout_rel
	)			`[static, read]`

Definition at line 528 of file thread_win32.c.

References gettimeofday(), rb_sys_fail, TIMET_MAX, timespec::tv_nsec, timeval::tv_sec, timespec::tv_sec, and timeval::tv_usec.

static int native_cond_wait	(	rb_thread_cond_t *	cond,
		rb_thread_lock_t *	mutex
	)			`[static]`

Definition at line 482 of file thread_win32.c.

References __cond_timedwait().

static int native_fd_select	(	int	n,
		rb_fdset_t *	readfds,
		rb_fdset_t *	writefds,
		rb_fdset_t *	exceptfds,
		struct timeval *	timeout,
		rb_thread_t *	th
	)			`[static]`