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

• Lines: 60
• Date: Sun Mar 24 14:39:10 1996
• Orig file: v1.3.77/linux/include/linux/posix_types.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.77/linux/include/linux/posix_types.h linux/include/linux/posix_types.h
@@ -0,0 +1,59 @@
+#ifndef _LINUX_POSIX_TYPES_H
+#define _LINUX_POSIX_TYPES_H
+
+#define _GNU_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.
+ */
+
+#ifndef NULL
+# define NULL		((void *) 0)
+#endif
+
+/*
+ * This allows for 256 file descriptors: if NR_OPEN is ever grown
+ * beyond that you'll have to change this too. But 256 fd's seem to be
+ * enough even for such "real" unices like SunOS, so hopefully this is
+ * one limit that doesn't have to be changed.
+ *
+ * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in
+ * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical
+ * place for them. Solved by having dummy defines in <sys/time.h>.
+ */
+
+/*
+ * Those macros may have been defined in <gnu/types.h>. But we always
+ * use the ones here. 
+ */
+#undef __NFDBITS
+#define __NFDBITS	(8 * sizeof(unsigned int))
+
+#undef __FD_SETSIZE
+#define __FD_SETSIZE	256
+
+#undef __FDSET_INTS
+#define __FDSET_INTS	(__FD_SETSIZE/__NFDBITS)
+
+#undef __FDELT
+#define	__FDELT(d)	((d) / __NFDBITS)
+
+#undef __FDMASK
+#define	__FDMASK(d)	(1 << ((d) % __NFDBITS))
+
+typedef struct fd_set {
+	unsigned int fds_bits [__FDSET_INTS];
+} __fd_set;
+
+#include <asm/posix_types.h>
+
+/* bsd */
+
+typedef unsigned char	__u_char;
+typedef unsigned short	__u_short;
+typedef unsigned int	__u_int;
+typedef unsigned long	__u_long;
+
+#endif /* _LINUX_POSIX_TYPES_H */