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* signal.c (trap_handler): trap("SIGSEGV", "DEFAULT") may cause wrong

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trap error because SIG_DFL may be zero.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12550 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-06-15 09:58:10 +00:00
parent e3dd9a78db
commit cebc9bb19d
2 changed files with 13 additions and 7 deletions
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7
ChangeLog
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@ -1,6 +1,11 @@
Fri Jun 15 18:56:52 2007 Tanaka Akira <akr@fsij.org>
* signal.c (trap_handler): trap("SIGSEGV", "DEFAULT") may cause wrong
trap error because SIG_DFL may be zero.
Fri Jun 15 15:55:55 2007 Koichi Sasada <ko1@atdot.net> Fri Jun 15 15:55:55 2007 Koichi Sasada <ko1@atdot.net>
* insns.def(setconstant, toregexp): fix to mark object correctly. * insns.def (setconstant, toregexp): fix to mark object correctly.
Fri Jun 15 13:24:18 2007 Koichi Sasada <ko1@atdot.net> Fri Jun 15 13:24:18 2007 Koichi Sasada <ko1@atdot.net>

13
signal.c
View File

@ -634,10 +634,15 @@ struct trap_arg {
VALUE cmd; VALUE cmd;
}; };
static RETSIGTYPE
wrong_trap(int sig)
{
}
static sighandler_t static sighandler_t
trap_handler(VALUE *cmd) trap_handler(VALUE *cmd)
{ {
sighandler_t func = 0; sighandler_t func = wrong_trap;
VALUE command; VALUE command;
if (NIL_P(*cmd)) { if (NIL_P(*cmd)) {
@ -674,7 +679,7 @@ trap_handler(VALUE *cmd)
} }
break; break;
} }
if (!func) { if (func == wrong_trap) {
rb_raise(rb_eArgError, "wrong trap - %s", RSTRING_PTR(command)); rb_raise(rb_eArgError, "wrong trap - %s", RSTRING_PTR(command));
} }
} }
@ -1047,14 +1052,10 @@ Init_signal(void)
#endif #endif
#ifdef SIGBUS #ifdef SIGBUS
# ifndef RUBY_GC_STRESS
install_sighandler(SIGBUS, sigbus); install_sighandler(SIGBUS, sigbus);
# endif
#endif #endif
#ifdef SIGSEGV #ifdef SIGSEGV
# ifndef RUBY_GC_STRESS
install_sighandler(SIGSEGV, sigsegv); install_sighandler(SIGSEGV, sigsegv);
# endif
#endif #endif
#ifdef SIGPIPE #ifdef SIGPIPE
install_sighandler(SIGPIPE, sigpipe); install_sighandler(SIGPIPE, sigpipe);