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ptrace.2: Do not say that PTRACE_O_TRACESYSGOOD may not work 

Remove the old statement that PTRACE_O_TRACESYSGOOD may not work
on all architectures.  As far as I can tell, all kernel code
properly tests PT_TRACESYSGOOD flag and sets the 7th bit in the
exit code passed to ptrace_notify().

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Dmitry V. Levin 2018-11-27 00:18:47 +03:00 committed by Michael Kerrisk
parent 4a5a783d8f
commit b29cd73f56
1 changed files with 0 additions and 2 deletions
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man2/ptrace.2
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@ -586,8 +586,6 @@ When delivering system call traps, set bit 7 in the signal number
.IR "SIGTRAP|0x80" ).
This makes it easy for the tracer to distinguish
normal traps from those caused by a system call.
.RB ( PTRACE_O_TRACESYSGOOD
may not work on all architectures.)
.TP
.BR PTRACE_O_TRACEVFORK " (since Linux 2.5.46)"
Stop the tracee at the next