1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
--- ./newlib/libc/sys/psp/sys/fd_set.h.orig 2012-01-25 19:33:12.000000000 +0000
+++ ./newlib/libc/sys/psp/sys/fd_set.h 2012-01-25 19:33:12.000000000 +0000
@@ -0,0 +1,69 @@
+/* $NetBSD: fd_set.h,v 1.1 2005/05/22 12:44:24 kleink Exp $ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * from: @(#)types.h 8.4 (Berkeley) 1/21/94
+ */
+
+#ifndef _SYS_FD_SET_H_
+#define _SYS_FD_SET_H_
+
+#include <sys/socket.h>
+#include <stdint.h>
+
+/*
+ * Implementation dependent defines, hidden from user space. X/Open does not
+ * specify them.
+ */
+#define __NBBY 8 /* number of bits in a byte */
+typedef uint32_t __fd_mask;
+
+/* bits per mask */
+#define __NFDBITS ((unsigned int)sizeof(__fd_mask) * __NBBY)
+
+#define __howmany(x, y) (((x) + ((y) - 1)) / (y))
+
+#define FD_SETSIZE 256
+
+typedef struct fd_set {
+ __fd_mask fds_bits[__howmany(FD_SETSIZE, __NFDBITS)];
+} fd_set;
+
+#define FD_SET(n, p) \
+ ((p)->fds_bits[(n) /__NFDBITS] |= (1 << ((n) % __NFDBITS)))
+
+#define FD_CLR(n, p) \
+ ((p)->fds_bits[(n) /__NFDBITS] &= ~(1 << ((n) % __NFDBITS)))
+
+#define FD_ISSET(n, p) \
+ ((p)->fds_bits[(n) /__NFDBITS] & (1 << ((n) % __NFDBITS)))
+
+#define FD_ZERO(p) (void)__builtin_memset((p), 0, sizeof(*(p)))
+
+#endif /* _SYS_FD_SET_H_ */
|
