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base repository: joyent/libuv
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head repository: joyent/libuv
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  • 1 commit
  • 3 files changed
  • 1 contributor

Commits on Nov 15, 2013

  1. unix: set close-on-exec flag on received fds 

    Set the close-on-exec flag on file descriptors that we've received with
recvmsg() so we don't leak them when calling fork() afterwards.

On Linux, we use the MSG_CMSG_CLOEXEC flag when supported (2.6.23 and
up.)

On older Linux versions and other platforms, we walk the received file
descriptors and set the close-on-exec flag for each fd manually.  That
won't entirely avoid race conditions when other threads call fork() or
clone() but at least we're less likely to leak file descriptors now.
    @bnoordhuis
    bnoordhuis committed Nov 15, 2013
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