Skip to content
This repository
tag: v1_3_1_990128
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 55 lines (46 sloc) 1.357 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
/************************************************

rubysig.h -

$Author$
$Date$
created at: Wed Aug 16 01:15:38 JST 1995

************************************************/
#ifndef SIG_H
#define SIG_H

extern int rb_trap_immediate;
#define TRAP_BEG (rb_trap_immediate=1)
#define TRAP_END (rb_trap_immediate=0)

extern int rb_prohibit_interrupt;
#define DEFER_INTS {rb_prohibit_interrupt++;}
#define ALLOW_INTS {rb_prohibit_interrupt--; CHECK_INTS;}
#define ENABLE_INTS {rb_prohibit_interrupt--;}

extern int rb_trap_pending;
void rb_trap_restore_mask _((void));

#ifdef USE_THREAD
extern int rb_thread_critical;
void rb_thread_schedule _((void));
#if defined(HAVE_SETITIMER) && !defined(__BOW__)
extern int rb_thread_pending;
# define CHECK_INTS if (!rb_prohibit_interrupt) {\
if (rb_trap_pending) rb_trap_exec();\
if (rb_thread_pending && !rb_thread_critical) rb_thread_schedule();\
}
# else
/* pseudo preemptive thread switching */
extern int rb_thread_tick;
#define THREAD_TICK 500
# define CHECK_INTS if (!rb_prohibit_interrupt) {\
if (rb_trap_pending) rb_trap_exec();\
if (!rb_thread_critical) {\
if (rb_thread_tick-- <= 0) {\
rb_thread_tick = THREAD_TICK;\
rb_thread_schedule();\
}\
}\
}
# endif
#else
# define CHECK_INTS if (!rb_prohibit_interrupt) {\
if (rb_trap_pending) rb_trap_exec();\
}
#endif

#endif
Something went wrong with that request. Please try again.