sigaction(2). This wrapper blocks all other signals during the handler
preventing races between handlers, and sets SA_RESTART which should reduce
the potential for short read/write operations.
OpenBSD-Commit-ID: 5e047663fd77a40d7b07bdabe68529df51fd2519
Check if STREAMS modules are already installed on pty before installing
since when compiling with XPG>=4 they will likely be installed already.
Prevents hangs and duplicate lines on the terminal. bz#2945 and bz#2998,
patch from djm@
The code required to support it is quite invasive to the mainline
code that is synced with upstream and is an ongoing maintenance burden.
Both the hardware and software are literal museum pieces these days and
we could not find anyone still running OpenSSH on one.
[openbsd-compat/bsd-cray.c openbsd-compat/bsd-openpty.c]
[openbsd-compat/bsd-snprintf.c openbsd-compat/fake-rfc2553.c]
[openbsd-compat/port-aix.c openbsd-compat/port-irix.c]
[openbsd-compat/rresvport.c]
These look to need string.h and/or unistd.h (based on a grep for function
names)
[sshpty.c]
for pty opening, only use the openpty() path. the other stuff only needs
to be in openssh-p; markus ok
- (djm) [openbsd-compat/bsd-openpty.c] Rework old sshpty.c code into an
openpty() replacement