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Diffstat (limited to 'sysdeps/unix/sysv/linux/sigtimedwait.c')
-rw-r--r--sysdeps/unix/sysv/linux/sigtimedwait.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sigtimedwait.c b/sysdeps/unix/sysv/linux/sigtimedwait.c
index a22a1d2ea8..a016b71ec7 100644
--- a/sysdeps/unix/sysv/linux/sigtimedwait.c
+++ b/sysdeps/unix/sysv/linux/sigtimedwait.c
@@ -32,6 +32,18 @@ static int
 do_sigtimedwait (const sigset_t *set, siginfo_t *info,
 		 const struct timespec *timeout)
 {
+#ifdef SIGCANCEL
+  sigset_t tmpset;
+  if (set != NULL && __sigismember (set, SIGCANCEL))
+    {
+      /* Create a temporary mask without the bit for SIGCANCEL set.  */
+      // We are not copying more than we have to.
+      memcpy (&tmpset, set, _NSIG / 8);
+      __sigdelset (&tmpset, SIGCANCEL);
+      set = &tmpset;
+    }
+#endif
+
     /* XXX The size argument hopefully will have to be changed to the
        real size of the user-level sigset_t.  */
   int result = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),