Re: [GHC] #14533: Make GHC more robust against PC crashes by using atomic writes

#14533: Make GHC more robust against PC crashes by using atomic writes -------------------------------------+------------------------------------- Reporter: nh2 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: #14788 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Marge Bot ): In [changeset:"0e2d300a59b1b5c167d2e7d99a448c8663ba6d7d/ghc" 0e2d300a/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="0e2d300a59b1b5c167d2e7d99a448c8663ba6d7d" compiler: Write .o files atomically. See #14533 This issue was reproduced with, and the fix confirmed with, the `hatrace` tool for syscall-based fault injection: https://github.com/nh2/hatrace The concrete test case for GHC is at https://github.com/nh2/hatrace/blob/e23d35a2d2c79e8bf49e9e2266b3ff7094267f29... A previous, nondeterministic reproducer for the issue was provided by Alexey Kuleshevich in https://github.com/lehins/exec-kill-loop Signed-off-by: Niklas Hambüchen Reviewed-by: Alexey Kuleshevich }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14533#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler