Use less syscalls in FileDesc::set_{nonblocking,cloexec}
#39514
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Only set the flags if they differ from what the OS reported, use `FIONBIO` to atomically set the non-blocking IO flag on Linux.
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r? @aturon (rust_highfive has picked a reviewer for you, use r? to override) |
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@bors: r+ Thanks! |
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📌 Commit efeb42b has been approved by |
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@nagisa It's hard to find docs on |
…chton
Use less syscalls in `FileDesc::set_{nonblocking,cloexec}`
Only set the flags if they differ from what the OS reported, use
`FIONBIO` to atomically set the non-blocking IO flag on Linux.
…chton
Use less syscalls in `FileDesc::set_{nonblocking,cloexec}`
Only set the flags if they differ from what the OS reported, use
`FIONBIO` to atomically set the non-blocking IO flag on Linux.
…chton
Use less syscalls in `FileDesc::set_{nonblocking,cloexec}`
Only set the flags if they differ from what the OS reported, use
`FIONBIO` to atomically set the non-blocking IO flag on Linux.
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You may also want to document, in the documentation for |
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@joshtriplett This is private API as far as I can tell, and it's only used in places where we already pass |
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@tbu- Ah, OK; thanks for the clarification. |
Only set the flags if they differ from what the OS reported, use
FIONBIOto atomically set the non-blocking IO flag on Linux.