-/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003, 2004, 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
#include <stdarg.h>
#include <sys/syscall.h>
+#include <kernel-features.h>
+
+
+#ifdef __ASSUME_F_GETOWN_EX
+# define miss_F_GETOWN_EX 0
+#else
+static int miss_F_GETOWN_EX;
+#endif
+
+
+static int
+do_fcntl (int fd, int cmd, void *arg)
+{
+ if (cmd != F_GETOWN || miss_F_GETOWN_EX)
+ return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
+
+ INTERNAL_SYSCALL_DECL (err);
+ struct f_owner_ex fex;
+ int res = INTERNAL_SYSCALL (fcntl, err, 3, fd, F_GETOWN_EX, &fex);
+ if (!INTERNAL_SYSCALL_ERROR_P (res, err))
+ return fex.type == F_OWNER_GID ? -fex.pid : fex.pid;
+
+#ifndef __ASSUME_F_GETOWN_EX
+ if (INTERNAL_SYSCALL_ERRNO (res, err) == EINVAL)
+ {
+ res = INLINE_SYSCALL (fcntl, 3, fd, F_GETOWN, arg);
+ miss_F_GETOWN_EX = 1;
+ return res;
+ }
+#endif
+
+ __set_errno (INTERNAL_SYSCALL_ERRNO (res, err));
+ return -1;
+}
#ifndef NO_CANCELLATION
arg = va_arg (ap, void *);
va_end (ap);
- return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
+ return do_fcntl (fd, cmd, arg);
}
#endif
va_end (ap);
if (SINGLE_THREAD_P || cmd != F_SETLKW)
- return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
+ return do_fcntl (fd, cmd, arg);
int oldtype = LIBC_CANCEL_ASYNC ();
- int result = INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
+ int result = do_fcntl (fd, cmd, arg);
LIBC_CANCEL_RESET (oldtype);
-/* Copyright (C) 2000,2002,2003,2004,2006 Free Software Foundation, Inc.
+/* Copyright (C) 2000,2002,2003,2004,2006,2009 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
int __have_no_fcntl64;
#endif
+#ifdef __ASSUME_F_GETOWN_EX
+# define miss_F_GETOWN_EX 0
+#else
+static int miss_F_GETOWN_EX;
+#endif
+
+
#if defined NO_CANCELLATION && __ASSUME_FCNTL64 == 0
# define __fcntl_nocancel __libc_fcntl
#endif
assert (F_SETLK - F_SETLKW == F_SETLK64 - F_SETLKW64);
return INLINE_SYSCALL (fcntl, 3, fd, cmd + F_SETLK - F_SETLK64, &fl);
}
+ case F_GETOWN:
+ if (! miss_F_GETOWN_EX)
+ {
+ INTERNAL_SYSCALL_DECL (err);
+ struct f_owner_ex fex;
+ int res = INTERNAL_SYSCALL (fcntl, err, 3, fd, F_GETOWN_EX, &fex);
+ if (!INTERNAL_SYSCALL_ERROR_P (res, err))
+ return fex.type == F_OWNER_GID ? -fex.pid : fex.pid;
+
+#ifndef __ASSUME_F_GETOWN_EX
+ if (INTERNAL_SYSCALL_ERRNO (res, err) == EINVAL)
+ miss_F_GETOWN_EX = 1;
+ else
+#endif
+ {
+ __set_errno (INTERNAL_SYSCALL_ERRNO (res, err));
+ return -1;
+ }
+ }
+ /* FALLTHROUGH */
default:
return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
}