On a Tuesday in 2023, Michal Privoznik wrote:
Linux gained new close_range() syscall (in v5.9) that allows
closing a range of FDs in a single syscall. Ideally, we would use
it to close FDs when spawning a process (e.g. via virCommand
module).
Glibc has close_range() wrapper over the syscall,
Linux gained new close_range() syscall (in v5.9) that allows
closing a range of FDs in a single syscall. Ideally, we would use
it to close FDs when spawning a process (e.g. via virCommand
module).
Glibc has close_range() wrapper over the syscall, which falls
back to iterative closing of all FDs
