Eric Blake wrote:
> + * lib/ptsname_r.c (ptsname_r): Provide wrapper around ptsname,
> + when it is available, since Solaris isatty doesn't set errno.
> ...
> I would expect feedback
> to include whether ptsname_r should drag in locking
The new ptsname_r replacement is active on platforms
Blindly implementing ptsname_r from scratch using the glibc
algorithm fails on Solaris 10, where isatty() doesn't set errno
when returning 0. While not thread-safe, wrapping ptsname()
instead of implementing things ourselves has better results.
* m4/ptsname_r.m4 (gl_FUNC_PTSNAME_R): Also check fo
