patch-1.3.78 linux/include/asm-alpha/posix_types.h

• Lines: 95
• Date: Sun Mar 24 13:16:29 1996
• Orig file: v1.3.77/linux/include/asm-alpha/posix_types.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.77/linux/include/asm-alpha/posix_types.h linux/include/asm-alpha/posix_types.h
@@ -0,0 +1,94 @@
+#ifndef _ALPHA_POSIX_TYPES_H
+#define _ALPHA_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned int	__dev_t;
+typedef unsigned int	__ino_t;
+typedef unsigned int	__mode_t;
+typedef unsigned short	__nlink_t;
+typedef long		__off_t;
+typedef int		__pid_t;
+typedef unsigned int	__uid_t;
+typedef unsigned int	__gid_t;
+typedef unsigned long	__size_t;
+typedef long		__ssize_t;
+typedef long		__ptrdiff_t;
+typedef long		__time_t;
+typedef long		__clock_t;
+typedef int		__daddr_t;
+typedef char *		__caddr_t;
+
+typedef struct {
+	int	val[2];
+} __fsid_t;
+
+#ifndef __GNUC__
+
+#define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+#define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+#define	__FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+#define	__FD_ZERO(set)	\
+  ((void) memset ((__ptr_t) (set), 0, sizeof (__fd_set)))
+
+#else /* __GNUC__ */
+
+/* With GNU C, use inline functions instead so args are evaluated only once: */
+
+#undef __FD_SET
+static __inline__ void __FD_SET(unsigned long fd, __fd_set *fdsetp)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
+}
+
+#undef __FD_CLR
+static __inline__ void __FD_CLR(unsigned long fd, __fd_set *fdsetp)
+{
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
+}
+
+#undef __FD_ISSET
+static __inline__ int __FD_ISSET(unsigned long fd, __fd_set *p)
+{ 
+	unsigned long _tmp = fd / __NFDBITS;
+	unsigned long _rem = fd % __NFDBITS;
+	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant case (8 ints,
+ * for a 256-bit fd_set)
+ */
+#undef __FD_ZERO
+static __inline__ void __FD_ZERO(__fd_set *p)
+{
+	unsigned int *tmp = p->fds_bits;
+	int i;
+
+	if (__builtin_constant_p(__FDSET_INTS)) {
+		switch (__FDSET_INTS) {
+			case 8:
+				tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
+				tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
+				return;
+		}
+	}
+	i = __FDSET_INTS;
+	while (i) {
+		i--;
+		*tmp = 0;
+		tmp++;
+	}
+}
+
+#endif /* __GNUC__ */
+
+#endif /* _ALPHA_POSIX_TYPES_H */