93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/**********************************************************************
|
|
|
|
rubysig.h -
|
|
|
|
$Author$
|
|
created at: Wed Aug 16 01:15:38 JST 1995
|
|
|
|
Copyright (C) 1993-2007 Yukihiro Matsumoto
|
|
|
|
**********************************************************************/
|
|
|
|
#ifndef RUBYSIG_H
|
|
#define RUBYSIG_H 1
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#if 0
|
|
} /* satisfy cc-mode */
|
|
#endif
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
|
|
#ifdef _WIN32
|
|
typedef LONG rb_atomic_t;
|
|
|
|
# define ATOMIC_TEST(var) InterlockedExchange(&(var), 0)
|
|
# define ATOMIC_SET(var, val) InterlockedExchange(&(var), (val))
|
|
# define ATOMIC_INC(var) InterlockedIncrement(&(var))
|
|
# define ATOMIC_DEC(var) InterlockedDecrement(&(var))
|
|
|
|
/* Windows doesn't allow interrupt while system calls */
|
|
# define TRAP_BEG do {\
|
|
rb_atomic_t trap_immediate = ATOMIC_SET(rb_trap_immediate, 1)
|
|
|
|
# define TRAP_END\
|
|
ATOMIC_SET(rb_trap_immediate, trap_immediate);\
|
|
} while (0)
|
|
|
|
# define RUBY_CRITICAL(statements) do {\
|
|
rb_atomic_t trap_immediate = ATOMIC_SET(rb_trap_immediate, 0);\
|
|
statements;\
|
|
ATOMIC_SET(rb_trap_immediate, trap_immediate);\
|
|
} while (0)
|
|
#else
|
|
typedef int rb_atomic_t;
|
|
|
|
# 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 do {\
|
|
int trap_immediate = rb_trap_immediate;\
|
|
rb_trap_immediate = 1
|
|
|
|
# define TRAP_END \
|
|
rb_trap_immediate = trap_immediate;\
|
|
} while (0)
|
|
|
|
# define RUBY_CRITICAL(statements) do {\
|
|
int trap_immediate = rb_trap_immediate;\
|
|
rb_trap_immediate = 0;\
|
|
statements;\
|
|
rb_trap_immediate = trap_immediate;\
|
|
} while (0)
|
|
#endif
|
|
RUBY_EXTERN rb_atomic_t rb_trap_immediate;
|
|
|
|
RUBY_EXTERN int rb_prohibit_interrupt;
|
|
#define DEFER_INTS (rb_prohibit_interrupt++)
|
|
#define ALLOW_INTS do {\
|
|
rb_prohibit_interrupt--;\
|
|
} while (0)
|
|
#define ENABLE_INTS (rb_prohibit_interrupt--)
|
|
|
|
VALUE rb_with_disable_interrupt(VALUE(*)(ANYARGS),VALUE);
|
|
|
|
RUBY_EXTERN rb_atomic_t rb_trap_pending;
|
|
void rb_trap_restore_mask(void);
|
|
|
|
RUBY_EXTERN int rb_thread_critical;
|
|
void rb_thread_schedule(void);
|
|
|
|
#if defined(__cplusplus)
|
|
#if 0
|
|
{ /* satisfy cc-mode */
|
|
#endif
|
|
} /* extern "C" { */
|
|
#endif
|
|
|
|
#endif /* RUBYSIG_H */
|