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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-06-07 01:55:54 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-06-07 01:57:26 +0200
commitfab94894d5c5b25d24010f823515fb53822d6623 (patch)
tree9b89ed6b906c902a4f4f33089e18deb41628a442 /hurd
parent785ec62dbd37b0b236c9a7fcc0ac71a2aeb472de (diff)
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hurd: Fix hang in _hurd_raise_signal from pthread_kill
When ss is not NULL, it is assumed to be locked. * hurd/hurd-raise.c (_hurd_raise_signal): Unlock before returning an error if ss is not NULL.
Diffstat (limited to 'hurd')
-rw-r--r--hurd/hurd-raise.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/hurd/hurd-raise.c b/hurd/hurd-raise.c
index af46437..865e498 100644
--- a/hurd/hurd-raise.c
+++ b/hurd/hurd-raise.c
@@ -29,7 +29,11 @@ _hurd_raise_signal (struct hurd_sigstate *ss,
int signo, const struct hurd_signal_detail *detail)
{
if (signo <= 0 || signo >= NSIG)
- return EINVAL;
+ {
+ if (ss)
+ __spin_unlock (&ss->lock);
+ return EINVAL;
+ }
if (ss == NULL)
{