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. Giuseppe Scrivano (2): fs, close_range: add flag CLOSE_RANGE_CLOEXEC selftests: add tests for CLOSE_RANGE_CLOEXEC fs/file.c | 56 +++++++++++++------ include/uapi/linux/close_range.h | 3 + .../testing/selftests/core/close_range_test.c | 44 +++++++++++++++ 3 files changed, 86 insertions(+), 17 deletions(-) -- 2.26.2 _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
