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Fix a pty-freeing error which caused a segfault if you attempted to

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use Restart Session in a post-not-close-on-exit pterm.

[originally from svn r9909]
This commit is contained in:
Simon Tatham 2013-07-11 17:24:23 +00:00
parent 1f3901a3a2
commit 5a04ae3420
1 changed files with 13 additions and 1 deletions
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14
unix/uxpty.c
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@ -411,6 +411,7 @@ void pty_pre_init(void)
#endif
pty = single_pty = snew(struct pty_tag);
pty->conf = NULL;
bufchain_init(&pty->output_data);
/* set the child signal handler straight away; it needs to be set
@ -725,6 +726,7 @@ static const char *pty_init(void *frontend, void **backend_handle, Conf *conf,
if (single_pty) {
pty = single_pty;
assert(pty->conf == NULL);
} else {
pty = snew(struct pty_tag);
pty->master_fd = pty->slave_fd = -1;
@ -967,7 +969,17 @@ static void pty_free(void *handle)
del234(ptys_by_pid, pty);
del234(ptys_by_fd, pty);
sfree(pty);
conf_free(pty->conf);
pty->conf = NULL;
if (pty == single_pty) {
/*
* Leave this structure around in case we need to Restart
* Session.
*/
} else {
sfree(pty);
}
}
static void pty_try_write(Pty pty)