This covers the type:[inode] syntax used in this dir. Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx> --- man5/proc.5 | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/man5/proc.5 b/man5/proc.5 index 5ecdd87..05675b2 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -220,13 +220,24 @@ with the .I \-inum option can be used to locate the file. .TP -.I /proc/[pid]/fd +.I /proc/[pid]/fd/ This is a subdirectory containing one entry for each file which the process has open, named by its file descriptor, and which is a symbolic link to the actual file. Thus, 0 is standard input, 1 standard output, 2 standard error, etc. -.\" The following was still true as at kernel 2.6.13 +For fds open to non-files, they will be symlinks to the type with the inode. +A +.BR readlink (2) +call on this file returns a string in the format: +.br + type:[inode] +.br +For example, socket:[2248868] will be a socket and its inode is 2248868. +For sockets, that inode can be used to find more info in one of the files under +.IR /proc/net/ . + +.\"The following was still true as at kernel 2.6.13 In a multithreaded process, the contents of this directory are not available if the main thread has already terminated (typically by calling -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
