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daniel02216

HN member
Joined
Tue, Feb 16, 2010, 9:32 PM UTC
HN karma
1,100
Public activity
119 items

About daniel02216

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Recent public activity

  1. comment
    Comment #25723396

    That it changes cores only when the window becomes invisible is likely due to App Nap - check the energy tab in Activity Monitor. https://developer.apple.com/library/archive/docume…

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    Comment #14020764

    It looks like roomkey.com doesn't seem to have any mobile apps, which makes it hard to say that it's more convenient to use when traveling than an aggregator that does have an app.…

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    Comment #13334271

    EV_ONESHOT refers to the individual kevent registration, and is basically an automatic EV_DELETE on delivery of the event. EPOLLEXCLUSIVE is acting at a different layer - in kevent…

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    Comment #9872705

    This is one reason why OS X enforces a hard page-zero on 64-bit programs - it is a hard error to map or allocate anything in the lowest 4 GB of memory, so programmers will immediat…

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    Comment #9850033

    This is true - the compatibility boundary for OS X is at the link-against-libSystem layer. The actual interface between libSystem and the kernel is private to Apple and is not guar…

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    Comment #8938742

    And a bunch of those are using Wine, which requires mapping code at the zero page, so they're compiled with a special load command that allows them to map the zero page. On Yosemit…

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    Comment #8766210

    As of GCC 5, it has __builtin_add_overflow, __builtin_sub_overflow, __builtin_mul_overflow https://gcc.gnu.org/gcc-5/changes.html

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    Comment #8758020

    That's just the syscall for waiting for a semaphore to be signaled. Most likely the crash is due to the main thread waiting for too long on that semaphore - it's likely stuck waiti…

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    Comment #6631456

    For vim at least you can put 'set shell=bash' in your .vimrc and it will use bash instead.

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    Comment #4588948

    It's UIUC's license, which looks similar to BSD to me. They also have some MIT licensed code. http://llvm.org/docs/DeveloperPolicy.html#license

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