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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-01-20 04:59:39 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-01-20 04:59:39 +0000
commit62e648e148b3cb9f96dcce808c55c02b7ccb4486 (patch)
tree9708892ece92e860d81559ab55e6b1f9400d7ffc /rubysig.h
parentaeb049c573be4dc24dd20650f40e4777e0f698cf (diff)
ruby 1.3 cycle
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/RUBY@372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'rubysig.h')
-rw-r--r--rubysig.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/rubysig.h b/rubysig.h
new file mode 100644
index 0000000..6c6ce57
--- /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 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