Ian Lance Taylor <[email protected]> writes:
>> * IRIX will be worse: while it has TIOCNOTTY, it completely lacks
>> TIOCSCTTY.
>>
>> Suggestions?
>
> For a missing TIOCSCTTY I think the simplest solution will be to set it
> in syscall_irix.go to some innocuous value if there is one. E.g.,
> TIOCNXCL if Irix supports that. If there is no innocuous value, let's
> just set it to 0 and test for 0 in exec.go before calling ioctl.
>
> Similarly, if we can't get TIOCNOTTY defined in sysinfo.go, then I think
> it's OK to just define it directly in syscall_irix.go and
> syscall_solaris.go. Those values are not going to change with different
> versions of the OS.
Solaris 8 and 9 suffer from the same problem. The following patch
allowed the bootstrap to complete. An IRIX bootstrap is currently
running, but will take some time to complete.
Rainer
2011-09-23 Rainer Orth <[email protected]>
* mksysinfo.sh: Provide TIOCSCTTY if missing.
# HG changeset patch
# Parent 21e21dc50e4922988dbec99e0b0c0eea4205e59b
Provide TIOCSCTTY on IRIX 6
diff --git a/libgo/mksysinfo.sh b/libgo/mksysinfo.sh
--- a/libgo/mksysinfo.sh
+++ b/libgo/mksysinfo.sh
@@ -193,6 +193,14 @@ if ! grep '^const EPOLLRDHUP' ${OUT} >/d
echo "const EPOLLRDHUP = 0x2000" >> ${OUT}
fi
+# ioctl constants. Might fall back to 0 if TIOCNXCL is missing, too, but
+# needs handling in syscalls.exec.go.
+if ! grep '^const _TIOCSCTTY ' gen-sysinfo.go >/dev/null 2>&1; then
+ if grep '^const _TIOCNXCL ' gen-sysinfo.go >/dev/null 2>&1; then
+ echo "const TIOCSCTTY = TIOCNXCL" >> ${OUT}
+ fi
+fi
+
# Ptrace constants. We don't expose all the PTRACE flags, just the
# PTRACE_O_xxx and PTRACE_EVENT_xxx ones.
grep '^const _PTRACE_O' gen-sysinfo.go |
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
