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-rw-r--r--sysdeps/generic/bits/ustat.h4
-rw-r--r--sysdeps/posix/pread.c4
-rw-r--r--sysdeps/posix/pread64.c4
-rw-r--r--sysdeps/posix/pwrite.c4
-rw-r--r--sysdeps/posix/pwrite64.c2
5 files changed, 13 insertions, 5 deletions
diff --git a/sysdeps/generic/bits/ustat.h b/sysdeps/generic/bits/ustat.h
index fc08758608..69c6b72270 100644
--- a/sysdeps/generic/bits/ustat.h
+++ b/sysdeps/generic/bits/ustat.h
@@ -24,8 +24,8 @@
 
 struct ustat
   {
-    __daddr_t f_tfree;
-    __ino_t f_tinode;
+    __daddr_t f_tfree;		/* Number of free blocks.  */
+    __ino_t f_tinode;		/* Number of free inodes.  */
     char f_fname[6];
     char f_fpack[6];
   };
diff --git a/sysdeps/posix/pread.c b/sysdeps/posix/pread.c
index 8dc3385543..3b226a0dc0 100644
--- a/sysdeps/posix/pread.c
+++ b/sysdeps/posix/pread.c
@@ -1,6 +1,6 @@
 /* Read block from given position in file without changing file pointer.
    POSIX version.
-   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -22,6 +22,8 @@
 #include <errno.h>
 #include <unistd.h>
 
+/* Note: This implementation of pread is not multithread-safe.  */
+
 ssize_t
 __libc_pread (int fd, void *buf, size_t nbyte, off_t offset)
 {
diff --git a/sysdeps/posix/pread64.c b/sysdeps/posix/pread64.c
index 0c2322c1f2..b19eabe4aa 100644
--- a/sysdeps/posix/pread64.c
+++ b/sysdeps/posix/pread64.c
@@ -1,6 +1,6 @@
 /* Read block from given position in file without changing file pointer.
    POSIX version.
-   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -22,6 +22,8 @@
 #include <errno.h>
 #include <unistd.h>
 
+/* Note: This implementation of pread64 is not multithread-safe.  */
+
 ssize_t
 __libc_pread64 (int fd, void *buf, size_t nbyte, off64_t offset)
 {
diff --git a/sysdeps/posix/pwrite.c b/sysdeps/posix/pwrite.c
index 3eec4a2dfb..51624e5a51 100644
--- a/sysdeps/posix/pwrite.c
+++ b/sysdeps/posix/pwrite.c
@@ -1,6 +1,6 @@
 /* Write block to given position in file without changing file pointer.
    POSIX version.
-   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -22,6 +22,8 @@
 #include <errno.h>
 #include <unistd.h>
 
+/* Note: This implementation of pwrite is not multithread-safe.  */
+
 ssize_t
 __libc_pwrite (int fd, const void *buf, size_t nbyte, off_t offset)
 {
diff --git a/sysdeps/posix/pwrite64.c b/sysdeps/posix/pwrite64.c
index 7a206f6597..33446c66b5 100644
--- a/sysdeps/posix/pwrite64.c
+++ b/sysdeps/posix/pwrite64.c
@@ -22,6 +22,8 @@
 #include <errno.h>
 #include <unistd.h>
 
+/* Note: This implementation of pwrite64 is not multithread-safe.  */
+
 ssize_t
 __libc_pwrite64 (int fd, const void *buf, size_t nbyte, off64_t offset)
 {