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Diffstat (limited to 'sysdeps/mach/hurd/getgroups.c')
-rw-r--r--sysdeps/mach/hurd/getgroups.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/getgroups.c b/sysdeps/mach/hurd/getgroups.c
index 5f036f8191..6b59d4a483 100644
--- a/sysdeps/mach/hurd/getgroups.c
+++ b/sysdeps/mach/hurd/getgroups.c
@@ -31,6 +31,7 @@ __getgroups (int n, gid_t *gidset)
   if (n < 0)
     return __hurd_fail (EINVAL);
 
+retry:
   crit = _hurd_critical_section_lock ();
   __mutex_lock (&_hurd_id.lock);
 
@@ -38,6 +39,9 @@ __getgroups (int n, gid_t *gidset)
     {
       __mutex_unlock (&_hurd_id.lock);
       _hurd_critical_section_unlock (crit);
+      if (err == EINTR)
+	/* Got a signal while inside an RPC of the critical section, retry again */
+	goto retry;
       return __hurd_fail (err);
     }