summaryrefslogtreecommitdiff
path: root/libc/signal/sigset-cvt-mask.h
diff options
context:
space:
mode:
Diffstat (limited to 'libc/signal/sigset-cvt-mask.h')
-rw-r--r--libc/signal/sigset-cvt-mask.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/libc/signal/sigset-cvt-mask.h b/libc/signal/sigset-cvt-mask.h
new file mode 100644
index 000000000..ca4774dbd
--- /dev/null
+++ b/libc/signal/sigset-cvt-mask.h
@@ -0,0 +1,44 @@
+/* Convert between lowlevel sigmask and libc representation of sigset_t.
+ Linux version.
+ Copyright (C) 1998, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Joe Keane <jgk@jgk.org>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+static inline int __attribute__ ((unused))
+sigset_set_old_mask (sigset_t *set, int mask)
+{
+ unsigned long int *ptr;
+ int cnt;
+
+ ptr = &set->__val[0];
+
+ *ptr++ = (unsigned int) mask;
+
+ cnt = _SIGSET_NWORDS - 2;
+ do
+ *ptr++ = 0ul;
+ while (--cnt >= 0);
+
+ return 0;
+}
+
+static inline int __attribute__ ((unused))
+sigset_get_old_mask (const sigset_t *set)
+{
+ return (unsigned int) set->__val[0];
+}