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-rw-r--r--sysdeps/generic/lockf.c5
-rw-r--r--sysdeps/generic/pselect.c5
2 files changed, 8 insertions, 2 deletions
diff --git a/sysdeps/generic/lockf.c b/sysdeps/generic/lockf.c
index 182a70094c..7b23f66bc9 100644
--- a/sysdeps/generic/lockf.c
+++ b/sysdeps/generic/lockf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1994,1996,1997,1998,2000,2003 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
@@ -67,5 +67,8 @@ lockf (int fd, int cmd, off_t len)
       return -1;
     }
 
+  /* lockf() is a cancellation point but so is fcntl() if F_SETLKW is
+     used.  Therefore we don't have to care about cancellation here,
+     the fcntl() function will take care of it.  */
   return __fcntl (fd, cmd, &fl);
 }
diff --git a/sysdeps/generic/pselect.c b/sysdeps/generic/pselect.c
index e090d6e526..43b371cce7 100644
--- a/sysdeps/generic/pselect.c
+++ b/sysdeps/generic/pselect.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1996,1997,1998,2001,2002,2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -50,6 +50,9 @@ do_pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
   if (sigmask != NULL)
     __sigprocmask (SIG_SETMASK, sigmask, &savemask);
 
+  /* Note the pselect() is a cancellation point.  But since we call
+     select() which itself is a cancellation point we do not have
+     to do anything here.  */
   retval = __select (nfds, readfds, writefds, exceptfds,
 		     timeout != NULL ? &tval : NULL);