Add support for personality(), prctl(), ustat(), and ulimit()

syscalls, which had managed to stay unimplemented thus far.
 -Erik

1 files changed, 73 insertions, 0 deletions

diff --git a/include/sys/personality.h b/include/sys/personality.h
new file mode 100644
index 000000000..5d14a9bc8
--- /dev/null
+++ b/include/sys/personality.h
@@ -0,0 +1,73 @@
+/* Copyright (C) 2002 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Taken verbatim from Linux 2.4 (include/linux/personality.h).  */
+
+#ifndef _SYS_PERSONALITY_H
+#define _SYS_PERSONALITY_H 1
+
+#include <features.h>
+
+/* Flags for bug emulation.
+   These occupy the top three bytes.  */
+enum
+  {
+    MMAP_PAGE_ZERO = 0x0100000,
+    ADDR_LIMIT_32BIT = 0x0800000,
+    SHORT_INODE = 0x1000000,
+    WHOLE_SECONDS = 0x2000000,
+    STICKY_TIMEOUTS = 0x4000000,
+  };
+
+/* Personality types.
+
+   These go in the low byte.  Avoid using the top bit, it will
+   conflict with error returns.  */
+enum 
+  {
+    PER_LINUX = 0x0000,
+    PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT,
+    PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
+    PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
+    PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS | SHORT_INODE,
+    PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
+    PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
+    PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS,
+    PER_BSD = 0x0006,
+    PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,
+    PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
+    PER_LINUX32 = 0x0008,
+    PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,	/* IRIX5 32-bit */
+    PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,	/* IRIX6 new 32-bit */
+    PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,	/* IRIX6 64-bit */
+    PER_RISCOS = 0x000c,
+    PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,
+    PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
+    PER_HPUX = 0x000f,
+    PER_OSF4 = 0x0010,
+    PER_MASK = 0x00ff,
+  };
+
+__BEGIN_DECLS
+
+/* Set different ABIs (personalities).  */
+extern int personality (unsigned long int __persona) __THROW;
+
+__END_DECLS
+
+#endif /* sys/personality.h */