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libanl: properly cleanup if first helper thread creation failed (bug 22927)

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This commit is contained in:
Andreas Schwab 2018-11-05 12:47:30 +01:00
parent fc1c7bdc6d
commit bd3b0fbae3
2 changed files with 11 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2018-11-05 Andreas Schwab <schwab@suse.de>
[BZ #22927]
* resolv/gai_misc.c (__gai_enqueue_request): Don't crash if
creating the first helper thread failed.
2018-11-03 Samuel Thibault <samuel.thibault@ens-lyon.org>
* sysdeps/mach/hurd/msync.c: New file.

7
resolv/gai_misc.c
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@ -261,8 +261,11 @@ __gai_enqueue_request (struct gaicb *gaicbp)
/* We cannot create a thread in the moment and there is
also no thread running. This is a problem. `errno' is
set to EAGAIN if this is only a temporary problem. */
assert (lastp->next == newp);
lastp->next = NULL;
assert (requests == newp || lastp->next == newp);
if (lastp != NULL)
lastp->next = NULL;
else
requests = NULL;
requests_tail = lastp;
newp->next = freelist;