diff options
| author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-06-16 04:24:38 +0000 |
|---|---|---|
| committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-06-16 04:24:38 +0000 |
| commit | 16487ee284f17cfbf6fad9f6b2fedc57f0f37e0a (patch) | |
| tree | 0c0aab325ab782ff559d1cfa5df269e786219ee3 /rubysig.h | |
| parent | 83687c4eb47e2bcbe463d097317d068d1dd0b734 (diff) | |
baseline
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'rubysig.h')
| -rw-r--r-- | rubysig.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/rubysig.h b/rubysig.h new file mode 100644 index 0000000000..fa99c847b8 --- /dev/null +++ b/rubysig.h @@ -0,0 +1,54 @@ +/************************************************ + + rubysig.h - + + $Author$ + $Date$ + created at: Wed Aug 16 01:15:38 JST 1995 + +************************************************/ +#ifndef SIG_H +#define SIG_H + +extern int trap_immediate; +#define TRAP_BEG (trap_immediate=1) +#define TRAP_END (trap_immediate=0) + +extern int prohibit_interrupt; +#define DEFER_INTS {prohibit_interrupt++;} +#define ALLOW_INTS {prohibit_interrupt--; CHECK_INTS;} +#define ENABLE_INTS {prohibit_interrupt--;} + +extern int trap_pending; +void trap_restore_mask _((void)); + +#ifdef THREAD +extern int thread_critical; +void thread_schedule _((void)); +#if defined(HAVE_SETITIMER) && !defined(__BOW__) +extern int thread_pending; +# define CHECK_INTS if (!prohibit_interrupt) {\ + if (trap_pending) rb_trap_exec();\ + if (thread_pending && !thread_critical) thread_schedule();\ +} +# else +/* pseudo preemptive thread switching */ +extern int thread_tick; +#define THREAD_TICK 500 +# define CHECK_INTS if (!prohibit_interrupt) {\ + if (trap_pending) rb_trap_exec();\ + if (!thread_critical) {\ + if (thread_tick-- <= 0) {\ + thread_tick = THREAD_TICK;\ + thread_schedule();\ + }\ + }\ +} +# endif +#else +# define CHECK_INTS if (!prohibit_interrupt) {\ + if (trap_pending) rb_trap_exec();\ +} +#endif + +#endif |