On Mon, Oct 19, 2020 at 12:26:52PM +0200, Giuseppe Scrivano wrote: > When the new flag is used, close_range will set the close-on-exec bit > for the file descriptors instead of close()-ing them. > > It is useful for e.g. container runtimes that want to minimize the > number of syscalls used after a seccomp profile is installed but want > to keep some fds open until the container process is executed. > > v1->v2: > * move close_range(..., CLOSE_RANGE_CLOEXEC) implementation to a separate function. > * use bitmap_set() to set the close-on-exec bits in the bitmap. > * add test with rlimit(RLIMIT_NOFILE) in place. > * use "cur_max" that is already used by close_range(..., 0). I'm picking this up for some testing, thanks Christian
