summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter S. Mazinger <ps.m@gmx.net>2011-03-15 21:20:43 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2012-06-15 14:00:25 +0200
commitc9402c70bb51b3973a5ebbdcd39610e51b5eed66 (patch)
tree32f1aa1b3cecf4d0c76d5978aafb6a472037f610
parentc5bebf9403325633b66f1b69346c40141cac8da2 (diff)
unistd.h: partial update, mostly related to POSIX 2008
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
-rw-r--r--include/unistd.h64
1 files changed, 50 insertions, 14 deletions
diff --git a/include/unistd.h b/include/unistd.h
index 3dc53a4ca..4ba0886b0 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2006, 2007, 2008, 2009 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
@@ -30,35 +30,67 @@ __BEGIN_DECLS
/* These may be used to determine what facilities are present at compile time.
Their values can be obtained at run time from `sysconf'. */
+#ifdef __USE_XOPEN2K8
+/* POSIX Standard approved as ISO/IEC 9945-1 as of September 2008. */
+# define _POSIX_VERSION 200809L
+#elif defined __USE_XOPEN2K
/* POSIX Standard approved as ISO/IEC 9945-1 as of December 2001. */
-#define _POSIX_VERSION 200112L
+# define _POSIX_VERSION 200112L
+#elif defined __USE_POSIX199506
+/* POSIX Standard approved as ISO/IEC 9945-1 as of June 1995. */
+# define _POSIX_VERSION 199506L
+#elif defined __USE_POSIX199309
+/* POSIX Standard approved as ISO/IEC 9945-1 as of September 1993. */
+# define _POSIX_VERSION 199309L
+#else
+/* POSIX Standard approved as ISO/IEC 9945-1 as of September 1990. */
+# define _POSIX_VERSION 199009L
+#endif
/* These are not #ifdef __USE_POSIX2 because they are
in the theoretically application-owned namespace. */
+#ifdef __USE_XOPEN2K8
+# define __POSIX2_THIS_VERSION 200809L
+/* The utilities on GNU systems also correspond to this version. */
+#elif defined __USE_XOPEN2K
+/* The utilities on GNU systems also correspond to this version. */
+# define __POSIX2_THIS_VERSION 200112L
+#elif defined __USE_POSIX199506
+/* The utilities on GNU systems also correspond to this version. */
+# define __POSIX2_THIS_VERSION 199506L
+#else
+/* The utilities on GNU systems also correspond to this version. */
+# define __POSIX2_THIS_VERSION 199209L
+#endif
+
/* The utilities on GNU systems also correspond to this version. */
-#define _POSIX2_VERSION 200112L
+#define _POSIX2_VERSION __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
C Language Bindings Option. */
-#define _POSIX2_C_BIND 200112L
+#define _POSIX2_C_BIND __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
C Language Development Utilities Option. */
-#define _POSIX2_C_DEV 200112L
+#define _POSIX2_C_DEV __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
Software Development Utilities Option. */
-#define _POSIX2_SW_DEV 200112L
+#define _POSIX2_SW_DEV __POSIX2_THIS_VERSION
#if 0 /* uClibc does not provide the utility */
/* If defined, the implementation supports the
creation of locales with the localedef utility. */
-#define _POSIX2_LOCALEDEF 200112L
+#define _POSIX2_LOCALEDEF __POSIX2_THIS_VERSION
#endif
/* X/Open version number to which the library conforms. It is selectable. */
-#ifdef __USE_UNIX98
+#ifdef __USE_XOPEN2K8
+# define _XOPEN_VERSION 700
+#elif defined __USE_XOPEN2K
+# define _XOPEN_VERSION 600
+#elif defined __USE_UNIX98
# define _XOPEN_VERSION 500
#else
# define _XOPEN_VERSION 4
@@ -171,6 +203,7 @@ __BEGIN_DECLS
*/
#include <bits/posix_opt.h>
+/* keep it after posix_opt.h, it overwrites based on uClibc's config options */
#include <bits/uClibc_posix_opt.h>
/* Get the environment definitions from Unix98. */
@@ -527,7 +560,7 @@ extern int execve (__const char *__path, char *__const __argv[],
char *__const __envp[]) __THROW __nonnull ((1));
libc_hidden_proto(execve)
-#if 0 /*def __USE_GNU*/
+#if 0 /*def __USE_XOPEN2K8*/
/* Execute the file FD refers to, overlaying the running program image.
ARGV and ENVP are passed to the new program, as for `execve'. */
extern int fexecve (int __fd, char *__const __argv[], char *__const __envp[])
@@ -783,8 +816,10 @@ extern __pid_t vfork (void) __THROW;
libc_hidden_proto(vfork)
#endif /* Use BSD. */
+#if 0 /* psm: seems unused , exit-thread.S is not compiled */
/* Special exit function which only terminates the current thread. */
extern void __exit_thread (int val) __attribute__ ((__noreturn__));
+#endif
/* Return the pathname of the terminal FD is open on, or NULL on errors.
The returned storage is good only until the next call to this function. */
@@ -801,7 +836,6 @@ libc_hidden_proto(ttyname_r)
extern int isatty (int __fd) __THROW;
libc_hidden_proto(isatty)
-
#if 0 /*defined __USE_BSD \
|| (defined __USE_XOPEN_EXTENDED && !defined __USE_UNIX98)*/
/* Return the index into the active-logins file (utmp) for
@@ -921,6 +955,7 @@ extern int sethostname (__const char *__name, size_t __len)
This call is restricted to the super-user. */
extern int sethostid (long int __id) __THROW __wur;
+
#if defined __UCLIBC_BSD_SPECIFIC__ || defined _LIBC
/* Get and set the NIS (aka YP) domain name, if any.
Called just like `gethostname' and `sethostname'.
@@ -934,6 +969,7 @@ extern int setdomainname (__const char *__name, size_t __len)
__THROW __nonnull ((1)) __wur;
#endif
+
#if defined __UCLIBC_LINUX_SPECIFIC__
/* Revoke access permissions to all processes currently communicating
with the control terminal, and then send a SIGHUP signal to the process
@@ -989,13 +1025,13 @@ extern char *getpass (__const char *__prompt) __nonnull ((1));
#endif /* Use BSD || X/Open. */
-#if defined __USE_BSD || defined __USE_XOPEN
+#if defined __USE_BSD || defined __USE_XOPEN || defined __USE_XOPEN2K
/* Make all changes done to FD actually appear on disk.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int fsync (int __fd);
-#endif /* Use BSD || X/Open. */
+#endif /* Use BSD || X/Open || Unix98. */
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
@@ -1145,7 +1181,7 @@ extern int lockf64 (int __fd, int __cmd, __off64_t __len) __wur;
&& defined __UCLIBC_HAS_REALTIME__
/* Synchronize at least the data part of a file with the underlying
media. */
-extern int fdatasync (int __fildes) __THROW;
+extern int fdatasync (int __fildes);
#endif /* Use POSIX199309 */
@@ -1181,7 +1217,7 @@ extern char *ctermid (char *__s) __THROW;
/* Define some macros helping to catch buffer overflows. */
-#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus
+#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline
# include <bits/unistd.h>
#endif