#3157: ghci segmentation fault when computation is interrupted
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Reporter: fft1976 | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Runtime System | Version: 6.10.2
Severity: critical | Resolution:
Keywords: ghci | Testcase:
Os: Linux | Architecture: x86
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Comment (by int-e):
If this is on x86, libedit is responsible for the segfault. It installs
its own {{{SIGINT}}} signal handler using {{{signal()}}} and then
reinstalls the RTS signal handler using {{{signal}}} again. This causes
the {{{SA_SIGINFO}}} flag to be lost. As a result, the RTS' signal handler
does not receive the {{{siginfo_t}}} data that it needs. I have a patch
for editline, but I haven't reported this anywhere yet.
N.B. This does not happen in x86_64 because there the {{{siginfo_t}}} is
always passed to the signal handler.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3157#comment:2>
GHC <http://www.haskell.org/ghc/>
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