Applied this, we'll see if anyone complains it breaks older Solaris and
if it does think again. Cheers
On Sat, Aug 30, 2014 at 06:00:44PM -0500, J Raynor wrote:
> pane_current_path on solaris doesn't work. I only have access to
> solaris 11, so I can't tell if this is a new problem with that version
> or if it hasn't worked for a while.
>
> I've attached a patch that fixes the problem, but I can't test on
> previous versions of solaris.
>
> In osdep-sunos.c, osdep_get_cwd calls tcgetpgrp to get the pgrp.
> tcgetpgrp fails because (on solaris) the caller has to be in the
> foreground process group of the terminal it's querying. The TIOCGPGRP
> ioctl doesn't have this restriction. But it needs the slave side of
> the pty, and the fd passed in is the master side. This can be worked
> around with ptsname.
> diff --git a/osdep-sunos.c b/osdep-sunos.c
> index fd644f5..f132f4d 100644
> --- a/osdep-sunos.c
> +++ b/osdep-sunos.c
> @@ -69,10 +69,21 @@ osdep_get_cwd(int fd)
> {
> static char target[MAXPATHLEN + 1];
> char *path;
> + const char *ttypath;
> ssize_t n;
> pid_t pgrp;
> + int retval, ttyfd;
>
> - if ((pgrp = tcgetpgrp(fd)) == -1)
> + if ((ttypath = ptsname(fd)) == NULL)
> + return (NULL);
> +
> + if ((ttyfd = open(ttypath, O_RDONLY|O_NOCTTY)) == -1)
> + return (NULL);
> +
> + retval = ioctl(ttyfd, TIOCGPGRP, &pgrp);
> + close(ttyfd);
> +
> + if (retval == -1)
> return (NULL);
>
> xasprintf(&path, "/proc/%u/path/cwd", (u_int) pgrp);
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