diff options
| author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-08-13 05:45:20 +0000 |
|---|---|---|
| committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-08-13 05:45:20 +0000 |
| commit | 65a5162550f58047974793cdc8067a970b2435c0 (patch) | |
| tree | 082bb7d5568f3b2e36e3fe166e9f3039394fcf44 /rubysig.h | |
| parent | fcd020c83028f5610d382e85a2df00223e12bd7e (diff) | |
1.4.0
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'rubysig.h')
| -rw-r--r-- | rubysig.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/rubysig.h b/rubysig.h new file mode 100644 index 0000000000..97de44216b --- /dev/null +++ b/rubysig.h @@ -0,0 +1,50 @@ +/************************************************ + + 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--;} + +VALUE rb_with_disable_interrupt _((VALUE(*)(),VALUE)); + +EXTERN int rb_trap_pending; +void rb_trap_restore_mask _((void)); + +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 + +#endif |