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-rw-r--r--newlib/libc/include/sys/select.h87
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diff --git a/newlib/libc/include/sys/select.h b/newlib/libc/include/sys/select.h
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+++ b/newlib/libc/include/sys/select.h
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+/* select.h
+ Copyright 1998, 1999, 2000, 2001, 2005, 2009 Red Hat, Inc.
+
+ Written by Geoffrey Noer <noer@cygnus.com>
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license. Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _SYS_SELECT_H
+#define _SYS_SELECT_H
+
+/* We don't define fd_set and friends if we are compiling POSIX
+ source, or if we have included (or may include as indicated
+ by __USE_W32_SOCKETS) the W32api winsock[2].h header which
+ defines Windows versions of them. Note that a program which
+ includes the W32api winsock[2].h header must know what it is doing;
+ it must not call the Cygwin select function.
+*/
+# if !(defined (_POSIX_SOURCE) || defined (_WINSOCK_H) || defined (_WINSOCKAPI_) || defined (__USE_W32_SOCKETS))
+
+#include <sys/cdefs.h>
+
+/* Get fd_set, and macros like FD_SET */
+#include <sys/types.h>
+
+/* Get definition of timeval. */
+#include <sys/time.h>
+#include <time.h>
+
+/* Get definition of sigset_t. */
+#include <signal.h>
+
+# define _SYS_TYPES_FD_SET
+/*
+ * Select uses bit masks of file descriptors in longs.
+ * These macros manipulate such bit fields (the filesystem macros use chars).
+ * FD_SETSIZE may be defined by the user, but the default here
+ * should be >= NOFILE (param.h).
+ */
+# ifndef FD_SETSIZE
+# define FD_SETSIZE 64
+# endif
+
+typedef unsigned long fd_mask;
+# define NFDBITS (sizeof (fd_mask) * 8) /* bits per mask */
+# ifndef _howmany
+# define _howmany(x,y) (((x)+((y)-1))/(y))
+# endif
+
+/* We use a macro for fd_set so that including Sockets.h afterwards
+ can work. */
+typedef struct _types_fd_set {
+ fd_mask fds_bits[_howmany(FD_SETSIZE, NFDBITS)];
+} _types_fd_set;
+
+#define fd_set _types_fd_set
+
+# define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1L << ((n) % NFDBITS)))
+# define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1L << ((n) % NFDBITS)))
+# define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1L << ((n) % NFDBITS)))
+# define FD_ZERO(p) (__extension__ (void)({ \
+ size_t __i; \
+ char *__tmp = (char *)p; \
+ for (__i = 0; __i < sizeof (*(p)); ++__i) \
+ *__tmp++ = 0; \
+}))
+
+#if !defined (__INSIDE_CYGWIN_NET__)
+
+__BEGIN_DECLS
+
+int select __P ((int __n, fd_set *__readfds, fd_set *__writefds,
+ fd_set *__exceptfds, struct timeval *__timeout));
+int pselect __P ((int __n, fd_set *__readfds, fd_set *__writefds,
+ fd_set *__exceptfds, const struct timespec *__timeout,
+ const sigset_t *__set));
+
+__END_DECLS
+
+#endif
+
+#endif /* !_POSIX_SOURCE, !__INSIDE_CYGWIN_NET__ */
+
+#endif /* sys/select.h */