Linux specific definitions for sigmask conversion macros.
authordrepper <drepper>
Sun, 7 Jun 1998 14:02:05 +0000 (14:02 +0000)
committerdrepper <drepper>
Sun, 7 Jun 1998 14:02:05 +0000 (14:02 +0000)
sysdeps/unix/sysv/linux/sigset-cvt-mask.h [new file with mode: 0644]

diff --git a/sysdeps/unix/sysv/linux/sigset-cvt-mask.h b/sysdeps/unix/sysv/linux/sigset-cvt-mask.h
new file mode 100644 (file)
index 0000000..aefb805
--- /dev/null
@@ -0,0 +1,35 @@
+/* Convert between lowlevel sigmask and libc representation of sigset_t.
+   Linux version.
+   Copyright (C) 1998 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 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.  */
+
+#define sigset_set_old_mask(set, mask) \
+  do {                                                                       \
+    unsigned long int *__ptr;                                                \
+    int __cnt;                                                               \
+    __ptr = &(set)->__val[0];                                                \
+    *__ptr++ = (unsigned long int) (mask);                                   \
+    __cnt = _SIGSET_NWORDS - 2;                                                      \
+    do                                                                       \
+      *__ptr++ = 0ul;                                                        \
+    while (--__cnt >= 0);                                                    \
+  } while (0)
+
+#define sigset_get_old_mask(set, mask) \
+  ((mask) = (unsigned int) (set)->__val[0])