1 files changed, 42 insertions, 0 deletions
diff --git a/lib/libc/sys/w_pselect.c b/lib/libc/sys/w_pselect.c
new file mode 100644
index 00000000000..40f76e6dbd1
--- /dev/null
+++ b/lib/libc/sys/w_pselect.c
@@ -0,0 +1,42 @@
+/*	$OpenBSD: w_pselect.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */
+/*
+ * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/select.h>
+#include <signal.h>
+#include "cancel.h"
+
+int
+pselect(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+    const struct timespec *timeout, const sigset_t *sigmask)
+{
+	sigset_t set;
+	int ret;
+
+	if (sigmask != NULL && sigismember(sigmask, SIGTHR)) {
+		set = *sigmask;
+		sigdelset(&set, SIGTHR);
+		sigmask = &set;
+	}
+
+	ENTER_CANCEL_POINT(1);
+	ret = HIDDEN(pselect)(nfds, readfds, writefds, exceptfds, timeout,
+	    sigmask);
+	LEAVE_CANCEL_POINT(ret == -1);
+
+	return (ret);
+}
+DEF_CANCEL(pselect);