rubysig.h File Reference

#include <errno.h>

Go to the source code of this file.

Defines
#define	ATOMIC_TEST(var)   ((var) ? ((var) = 0, 1) : 0)
#define	ATOMIC_SET(var, val)   ((var) = (val))
#define	ATOMIC_INC(var)   (++(var))
#define	ATOMIC_DEC(var)   (--(var))
#define	TRAP_BEG
#define	TRAP_END
#define	RUBY_CRITICAL(statements)
#define	DEFER_INTS   (rb_prohibit_interrupt++)
#define	ALLOW_INTS
#define	ENABLE_INTS   (rb_prohibit_interrupt--)
#define	THREAD_TICK   500
#define	CHECK_INTS
Typedefs
typedef int	rb_atomic_t
Functions
VALUE	rb_with_disable_interrupt (VALUE(*(ANYARGS), VALUE))
void	rb_trap_restore_mask (void)
void	rb_thread_schedule (void)
Variables
RUBY_EXTERN rb_atomic_t	rb_trap_immediate
RUBY_EXTERN int	rb_prohibit_interrupt
RUBY_EXTERN rb_atomic_t	rb_trap_pending
RUBY_EXTERN int	rb_thread_critical
RUBY_EXTERN int	rb_thread_tick

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Define Documentation

#define ALLOW_INTS

Value: do {\ rb_prohibit_interrupt--;\ CHECK_INTS;\ } while (0) Definition at line 69 of file rubysig.h. Referenced by rb_load(), rb_singleton_class(), and ruby_init().

#define ATOMIC_DEC (  var   )     (--(var))

Definition at line 46 of file rubysig.h.

#define ATOMIC_INC (  var   )     (++(var))

Definition at line 45 of file rubysig.h. Referenced by sighandler().

#define ATOMIC_SET (  var, val   )     ((var) = (val))

Definition at line 44 of file rubysig.h. Referenced by sighandler().

#define ATOMIC_TEST (  var   )     ((var) ? ((var) = 0, 1) : 0)

Definition at line 43 of file rubysig.h. Referenced by sighandler().

#define CHECK_INTS

Value: do {\ if (!(rb_prohibit_interrupt || rb_thread_critical)) {\ if (rb_thread_tick-- <= 0) {\ rb_thread_tick = THREAD_TICK;\ rb_thread_schedule();\ }\ }\ if (rb_trap_pending) rb_trap_exec();\ } while (0) Definition at line 94 of file rubysig.h.

#define DEFER_INTS   (rb_prohibit_interrupt++)

Definition at line 68 of file rubysig.h. Referenced by rb_load(), rb_singleton_class(), and rb_with_disable_interrupt().

#define ENABLE_INTS   (rb_prohibit_interrupt--)

Definition at line 73 of file rubysig.h. Referenced by rb_with_disable_interrupt().

#define RUBY_CRITICAL (  statements   )

Value: do {\ int trap_immediate = rb_trap_immediate;\ rb_trap_immediate = 0;\ statements;\ rb_trap_immediate = trap_immediate;\ } while (0) Definition at line 58 of file rubysig.h. Referenced by add_heap(), obj_free(), rb_gc_call_finalizer_at_exit(), rb_gc_unregister_address(), ruby_xfree(), ruby_xmalloc(), and ruby_xrealloc().

#define THREAD_TICK   500

Definition at line 93 of file rubysig.h.

#define TRAP_BEG

Value: do {\ int saved_errno = 0;\ int trap_immediate = rb_trap_immediate;\ rb_trap_immediate = 1 Definition at line 48 of file rubysig.h. Referenced by appendline(), io_cntl(), io_fflush(), io_fread(), io_fwrite(), io_getpartial(), rb_f_syscall(), rb_getc(), rb_io_each_byte(), rb_io_eof(), rb_io_getc(), rb_io_sysread(), rb_io_syswrite(), rb_thread_flock(), rb_thread_schedule(), rb_thread_select(), rb_thread_sleep(), rb_thread_sleep_forever(), rb_thread_wait_for(), rb_waitpid(), and swallow().

#define TRAP_END

Value: rb_trap_immediate = trap_immediate;\ saved_errno = errno;\ CHECK_INTS;\ errno = saved_errno;\ } while (0) Definition at line 52 of file rubysig.h. Referenced by appendline(), io_cntl(), io_fflush(), io_fread(), io_fwrite(), io_getpartial(), rb_f_syscall(), rb_getc(), rb_io_each_byte(), rb_io_eof(), rb_io_getc(), rb_io_sysread(), rb_io_syswrite(), rb_thread_flock(), rb_thread_schedule(), rb_thread_select(), rb_thread_sleep(), rb_thread_sleep_forever(), rb_thread_wait_for(), rb_waitpid(), and swallow().

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Typedef Documentation

typedef int rb_atomic_t

Definition at line 41 of file rubysig.h.

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Function Documentation

void rb_trap_restore_mask (  void   )

Definition at line 664 of file signal.c. References NULL, and trap_last_mask. Referenced by rb_f_throw(), and rb_longjmp().

VALUE rb_with_disable_interrupt (  VALUE(*(ANYARGS), VALUE)   )

Referenced by rb_any_cmp().

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Variable Documentation

RUBY_EXTERN int rb_prohibit_interrupt

Definition at line 67 of file rubysig.h.

RUBY_EXTERN int rb_thread_critical

Definition at line 80 of file rubysig.h.

RUBY_EXTERN int rb_thread_tick

Definition at line 92 of file rubysig.h.

RUBY_EXTERN rb_atomic_t rb_trap_immediate

Definition at line 65 of file rubysig.h. Referenced by rb_thread_restore_context(), rb_thread_save_context(), rb_thread_switch(), rb_trap_eval(), and sighandler().

RUBY_EXTERN rb_atomic_t rb_trap_pending

Definition at line 77 of file rubysig.h.

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