From bd792ea5594a989cadead9a76a27aaf5be1e54fe Mon Sep 17 00:00:00 2001 From: Mrunal Patel Date: Fri, 21 Aug 2015 14:45:39 -0400 Subject: [PATCH] Add fd section for linux container process Signed-off-by: Mrunal Patel --- runtime-linux.md | 6 ++++++ 1 file changed, 6 insertions(+) create mode 100644 runtime-linux.md diff --git a/runtime-linux.md b/runtime-linux.md new file mode 100644 index 00000000..dcfa24eb --- /dev/null +++ b/runtime-linux.md @@ -0,0 +1,6 @@ +## File descriptors +By default, only the `stdin`, `stdout` and `stderr` file descriptors are kept open for the application by the runtime. + +The runtime may pass additional file descriptors to the application to support features such as [socket activation](http://0pointer.de/blog/projects/socket-activated-containers.html). + +Some of the file descriptors may be redirected to `/dev/null` even though they are open.