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-rw-r--r--posix/unistd.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 01ac3f8b41..96bb02dff4 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2006, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -383,6 +383,12 @@ extern ssize_t pwrite64 (int __fd, __const void *__buf, size_t __n,
Returns 0 if successful, -1 if not. */
extern int pipe (int __pipedes[2]) __THROW __wur;
+#ifdef __USE_GNU
+/* Same as pipe but apply flags passed in FLAGS to the new file
+ descriptors. */
+extern int pipe2 (int __pipedes[2], int __flags) __THROW __wur;
+#endif
+
/* Schedule an alarm. In SECONDS seconds, the process will get a SIGALRM.
If SECONDS is zero, any currently scheduled alarm will be cancelled.
The function returns the number of seconds remaining until the last
@@ -492,6 +498,12 @@ extern int dup (int __fd) __THROW __wur;
/* Duplicate FD to FD2, closing FD2 and making it open on the same file. */
extern int dup2 (int __fd, int __fd2) __THROW;
+#ifdef __USE_GNU
+/* Duplicate FD to FD2, closing FD2 and making it open on the same
+ file while setting flags according to FLAGS. */
+extern int dup3 (int __fd, int __fd2, int __flags) __THROW;
+#endif
+
/* NULL-terminated array of "NAME=VALUE" environment variables. */
extern char **__environ;
#ifdef __USE_GNU