From: Alexander von Gluck <redmine@...>
Date: 2010-01-25T12:16:02+09:00
Subject: [ruby-core:27776] [Bug #2640] signal code only needs slight changes to make Ruby compile on Haiku-os

Issue #2640 has been updated by Alexander von Gluck.


The patch suggested at http://znz.s1.xrea.com/t/?date=20090926 causes the bus error for me too and seems like an invalid work-around.

The overall solution for this issue is on Haiku's side and not Ruby's fault.
http://dev.haiku-os.org/ticket/2695

Until Haiku fixes this I'll just comment out the broken call which seems to work and make a miniruby that works :). Just a quick note that this patch may cause some bad mojo on a sigsegv and should not be used in production apps.


Index: signal.c
===================================================================
--- signal.c    (revision 26395)
+++ signal.c    (working copy)
@@ -34,7 +34,7 @@
 # define ATOMIC_DEC(var) (--(var))
 #endif
 
-#ifdef __BEOS__
+#if defined(__BEOS__) || defined(__HAIKU__)
 #undef SIGBUS
 #endif
 
@@ -597,6 +597,7 @@
 static RETSIGTYPE
 sigsegv(int sig SIGINFO_ARG)
 {
+/*
 #ifdef USE_SIGALTSTACK
     int ruby_stack_overflowed_p(const rb_thread_t *, const void *);
     NORETURN(void ruby_thread_stack_overflow(rb_thread_t *th));
@@ -605,6 +606,7 @@
        ruby_thread_stack_overflow(th);
     }
 #endif
+*/
     if (segv_received) {
        fprintf(stderr, "SEGV received in SEGV handler\n");
        exit(EXIT_FAILURE);
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http://redmine.ruby-lang.org/issues/show/2640

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