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authorUlrich Drepper <drepper@redhat.com>2003-06-17 20:46:06 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-17 20:46:06 +0000
commitaa3cee213a291e2fd7298579059706622dd16793 (patch)
tree03e41fae515f7332a202683818f4d1d98053381a /sysdeps/unix/sysv/linux/sigwait.c
parent047aec8f19cdb702f2a0645643f38a12033c353d (diff)
Update.
* sysdeps/unix/sysv/linux/sigtimedwait.c: If SIGCANCEL is defined and part of the incoming set, create a temporary set without this signal. * sysdeps/unix/sysv/linux/sigwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. returning because seconds==0. Add __builtin_expect.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sigwait.c')
-rw-r--r--sysdeps/unix/sysv/linux/sigwait.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/sigwait.c b/sysdeps/unix/sysv/linux/sigwait.c
index 097d62f9ca..49371cfdfd 100644
--- a/sysdeps/unix/sysv/linux/sigwait.c
+++ b/sysdeps/unix/sysv/linux/sigwait.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -36,6 +36,18 @@ do_sigwait (const sigset_t *set, int *sig)
{
int ret;
+#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. */
#ifdef INTERNAL_SYSCALL