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ptrace.2: Add details to descriptions of PTRACE_GETSIGMASK and PTRACE_SETSIGMASK 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-01-23 06:13:57 +01:00
parent ee8922376d
commit 222475b004
1 changed files with 20 additions and 7 deletions
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27
man2/ptrace.2
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@ -363,19 +363,32 @@ signals are read from the per-thread queue of the specified thread.
.TP
.BR PTRACE_GETSIGMASK " (since Linux 3.11)"
.\" commit 29000caecbe87b6b66f144f72111f0d02fbbf0c1
Place a copy of the mask of blocked signals in the buffer pointed to by
.IR data .
Place a copy of the mask of blocked signals (see
.BR sigprocmask (2))
in the buffer pointed to by
.IR data ,
which should be a pointer to a buffer of type
.IR sigset_t .
The
.I addr
argument contains the size of mask.
argument contains the size of the buffer pointed to by
.IR data
(i.e.,
.IR sizeof(sigset_t) ).
.TP
.BR PTRACE_SETSIGMASK " (since Linux 3.11)"
Change the mask of blocked signals to the value specified
in the buffer pointed to by
.IR data .
Change the mask of blocked signals (see
.BR sigprocmask (2))
to the value specified in the buffer pointed to by
.IR data ,
which should be a pointer to a buffer of type
.IR sigset_t .
The
.I addr
argument contains the size of the mask.
argument contains the size of the buffer pointed to by
.IR data
(i.e.,
.IR sizeof(sigset_t) ).
.TP
.BR PTRACE_SETOPTIONS " (since Linux 2.4.6; see BUGS for caveats)"
Set ptrace options from