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Bug #9878
closedruby_signal() should return either sa_sigaction or sa_handler, depending on SA_SIGINFO
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.2.0dev (2014-05-29 trunk 46222) [x86_64-linux]
Backport:
Description
ruby_signal()
in signal.c returns old.sa_handler
,
but it should return either old.sa_sigaction
or old.sa_handler
,
depending on whether SA_SIGINFO
is set in old.sa_flags
.
--- signal.c (revision 46222)
+++ signal.c (working copy)
@@ -595,7 +595,10 @@
rb_bug_errno("sigaction", errno);
}
}
- return old.sa_handler;
+ if (old.sa_flags & SA_SIGINFO)
+ return (sighandler_t)old.sa_sigaction;
+ else
+ return old.sa_handler;
}
sighandler_t
The original code happens to be correct on the environments
where sa_handler
and sa_sigaction
are union, but it is not
guaranteed in general.
(Actually, they are not union on z/OS.)
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