639a20da90
Reviving earlier work by @ality in https://golang.org/cl/57890043 to make the closing of extra file descriptors in syscall.StartProcess less race-prone. Instead of making a list of open fds in the parent before forking, the child can read through the list of open fds and close the ones not explicitly requested. Also eliminate the complication of keeping open any extra fds which were inherited by the parent when it started. This CL will be followed by one to eliminate the ForkLock in plan9, which is now redundant. Fixes #5605 Change-Id: I6b4b942001baa54248b656c52dced3b62021c486 Reviewed-on: https://go-review.googlesource.com/22610 Run-TryBot: David du Colombier <0intro@gmail.com> Reviewed-by: David du Colombier <0intro@gmail.com> |
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