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-rw-r--r--signal/Makefile3
-rw-r--r--signal/sigandset.c36
-rw-r--r--signal/sigisempty.c34
-rw-r--r--signal/signal.h13
-rw-r--r--signal/sigorset.c36
5 files changed, 121 insertions, 1 deletions
diff --git a/signal/Makefile b/signal/Makefile
index 2d99437208..a8e26ed239 100644
--- a/signal/Makefile
+++ b/signal/Makefile
@@ -30,7 +30,8 @@ routines := signal raise killpg \
sigstack sigaltstack sigintr \
sigsetops sigempty sigfillset sigaddset sigdelset sigismem \
sigreturn \
- siggetmask sysv_signal
+ siggetmask sysv_signal \
+ sigisempty sigandset sigorset
tests := tst-signal
diff --git a/signal/sigandset.c b/signal/sigandset.c
new file mode 100644
index 0000000000..bb3747c19d
--- /dev/null
+++ b/signal/sigandset.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1996, 1997 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <signal.h>
+
+/* Combine sets LEFT and RIGHT by logical AND and place result in DEST. */
+int
+sigandset (dest, left, right)
+ sigset_t *dest;
+ const sigset_t *left;
+ const sigset_t *right;
+{
+ if (dest == NULL || left == NULL || right == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ return __sigandset (dest, left, right);
+}
diff --git a/signal/sigisempty.c b/signal/sigisempty.c
new file mode 100644
index 0000000000..50dc343491
--- /dev/null
+++ b/signal/sigisempty.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1996, 1997 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <signal.h>
+
+/* Test whether SET is empty. */
+int
+sigisemptyset (set)
+ const sigset_t *set;
+{
+ if (set == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ return __sigisemptyset (set);
+}
diff --git a/signal/signal.h b/signal/signal.h
index b1953e5133..df54e7940d 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -183,6 +183,19 @@ extern int sigdelset __P ((sigset_t *__set, int __signo));
/* Return 1 if SIGNO is in SET, 0 if not. */
extern int sigismember __P ((__const sigset_t *__set, int __signo));
+#ifdef __USE_GNU
+/* Return non-empty value is SET is not empty. */
+extern int sigisemptyset __P ((__const sigset_t *__set));
+
+/* Build new signal set by combining the two inputs set using logical AND. */
+extern int sigandset __P ((sigset_t *__set, __const sigset_t *__left,
+ __const sigset_t *__right));
+
+/* Build new signal set by combining the two inputs set using logical OR. */
+extern int sigorset __P ((sigset_t *__set, __const sigset_t *__left,
+ __const sigset_t *__right));
+#endif /* GNU */
+
/* Get the system-specific definitions of `struct sigaction'
and the `SA_*' and `SIG_*'. constants. */
#include <sigaction.h>
diff --git a/signal/sigorset.c b/signal/sigorset.c
new file mode 100644
index 0000000000..e8ae22fd5a
--- /dev/null
+++ b/signal/sigorset.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1996, 1997 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <signal.h>
+
+/* Combine sets LEFT and RIGHT by logical OR and place result in DEST. */
+int
+sigorset (dest, left, right)
+ sigset_t *dest;
+ const sigset_t *left;
+ const sigset_t *right;
+{
+ if (dest == NULL || left == NULL || right == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ return __sigorset (dest, left, right);
+}