#3790: control-C causes segfault, siginfo_t* can be NULL on Solaris
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Reporter: duncan | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.12.2
Component: Runtime System | Version: 6.12.1
Resolution: | Keywords:
Difficulty: | Os: Solaris
Testcase: | Architecture: sparc
Failure: Runtime crash |
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Changes (by simonmar):
* milestone: => 6.12.2
Comment:
Your analysis looks reasonable. I think it should be ok to just
`memset(buf+1, 0, sizeof(siginfo_t))` in the case that `info == NULL`,
because looking at the code in `libraries/unix/System/Posix/Signals.hsc`
we use the `si_errno` field of the `siginfo_t`, but we only look at the
rest if the signal is `SIGCHLD`. A value of zero for `si_errno` is a
reasonable default.
Would you like to test and submit a patch?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3790#comment:1>
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