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clone.2: Document CLONE_CLEAR_SIGHAND 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-01-22 02:09:17 +01:00
parent 302c512cef
commit 27f14b447a
1 changed files with 23 additions and 0 deletions
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@ -433,6 +433,20 @@ returns in the parent process, which will be relevant if the
.BR CLONE_VM
flag is also employed.)
.TP
.BR CLONE_CLEAR_SIGHAND " (since Linux 5.5)"
.\" commit b612e5df4587c934bd056bf05f4a1deca4de4f75
By default, signal dispositions in the child thread are the same as
in the parent.
If this flag is specified,
then all signals that are handled in the parent
are reset to their default dispositions
.RB ( SIG_DFL )
in the child.
.IP
Specifying this flag together with
.B CLONE_SIGHAND
is nonsensical and disallowed.
.TP
.BR CLONE_DETACHED " (historical)"
For a while (during the Linux 2.5 development series)
.\" added in 2.5.32; removed in 2.6.0-test4
@ -1295,6 +1309,15 @@ One (or more) of the PIDs specified in
already exists in the corresponding PID namespace.
.TP
.B EINVAL
Both
.B CLONE_SIGHAND
and
.B CLONE_CLEAR_SIGHAND
were specified in the
.I flags
mask.
.TP
.B EINVAL
.B CLONE_SIGHAND
was specified in the
.I flags