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authorRoland McGrath <roland@gnu.org>2003-09-05 21:25:15 +0000
committerRoland McGrath <roland@gnu.org>2003-09-05 21:25:15 +0000
commitedc7ae4623eeb9a8112a6f89fbc91aae9f90cb6a (patch)
treed012def16c08a39c3121eb4d8214b7e91f9ed9ae /sysdeps/mach
parent09b9a9d032a6fc0fbe602644f20263c5cdcb397e (diff)
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* nss/getXXbyYY.c (FUNCTION_NAME): Remove unused variable.
2003-09-04  Roland McGrath  <roland@frob.com>

	* sysdeps/mach/hurd/mmap.c (__mmap): If io_map fails with MIG_BAD_ID,
	EOPNOTSUPP, or ENOSYS, change it to ENODEV.
Diffstat (limited to 'sysdeps/mach')
-rw-r--r--sysdeps/mach/hurd/mmap.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/mach/hurd/mmap.c b/sysdeps/mach/hurd/mmap.c
index c54bc0c188..85bde529b9 100644
--- a/sysdeps/mach/hurd/mmap.c
+++ b/sysdeps/mach/hurd/mmap.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1994,95,96,97,99,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1994,1995,1996,1997,1999,2002,2003
+	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
@@ -97,7 +98,11 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
       {
 	mach_port_t robj, wobj;
 	if (err = HURD_DPORT_USE (fd, __io_map (port, &robj, &wobj)))
-	  return (__ptr_t) (long int) __hurd_dfail (fd, err);
+	  {
+	    if (err == MIG_BAD_ID || err == EOPNOTSUPP || err == ENOSYS)
+	      err = ENODEV;	/* File descriptor doesn't support mmap.  */
+	    return (__ptr_t) (long int) __hurd_dfail (fd, err);
+	  }
 	switch (prot & (PROT_READ|PROT_WRITE))
 	  {
 	  case PROT_READ: