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authorElliott Hughes <enh@google.com>2020-01-10 16:03:45 -0800
committerRob Landley <rob@landley.net>2020-01-10 23:46:06 -0600
commitcb455b403b54b68a55d95c348c3c53bc6caa0790 (patch)
tree423f673f1e12dfcbcf7158c472349f3a2c3d761c /toys/posix/cal.c
parent22633bf9807d4cfe7d15d6ca1c6fe63ff97182bc (diff)
downloadtoybox-cb455b403b54b68a55d95c348c3c53bc6caa0790.tar.gz
setsid: document -w.
-w was added recently. The change in behavior so we now always fork means that it's needed in more cases too: other implementations of setsid(1) only fork if getpgrp() != getpid(). This broke a script, which is what made me notice the missing help. This seems to have been an accidental change, and is contrary to what the util-linux setsid(1) man page says: "The command calls fork(2) if already a process group leader. Otherwise, it executes a program in the current process", but whether we change our behavior or not, we should document the new option.
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