Re: [TANGENT] run-command: use vfork instead of fork

On 05/16, Linus Torvalds wrote: > On Tue, May 16, 2017 at 12:35 PM, Eric Wong wrote: > > > > Fwiw, most of the vfork preparation was already done by Brandon > > and myself a few weeks ago, and cooking in pu. > > Oh, interesting. Was that done for vfork(), or is it for something > else? Some of th

Re: [TANGENT] run-command: use vfork instead of fork

On Tue, May 16, 2017 at 12:35 PM, Eric Wong wrote: > > Fwiw, most of the vfork preparation was already done by Brandon > and myself a few weeks ago, and cooking in pu. Oh, interesting. Was that done for vfork(), or is it for something else? Some of the changes seem almost overly careful. Is this

[TANGENT] run-command: use vfork instead of fork

Linus Torvalds wrote: > Also, if people really want to optimize the code that executes an > external program (whether in shell or directly), I think it might be > worth it to look at replacing the "fork()" with a "vfork()". > > Something like this > > - cmd->pid = fork(); > + cmd->pi