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- __get_default_file() called __fd_unlock() without having called

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__fd_lock() first. Ouch.

- Removed an unnecessary pair of __fd_lock()..__fd_unlock() calls from
  ttyname_r().


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15156 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2006-09-27 11:54:54 +00:00
parent 9984a37cb4
commit bf4d3b763c
3 changed files with 10 additions and 8 deletions
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8
library/changes
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@@ -1,4 +1,10 @@
- Unlink is now reentrant, or at least thread-safe. - __get_default_file() called __fd_unlock() without having called
__fd_lock() first. Ouch.
- Removed an unnecessary pair of __fd_lock()..__fd_unlock() calls from
ttyname_r().
- The libunix.a unlink() function is now reentrant, or at least thread-safe.
- You can now make unlink() stop after a failed deletion attempt which - You can now make unlink() stop after a failed deletion attempt which
failed because the object to be deleted was reported as being "in use". failed because the object to be deleted was reported as being "in use".

4
library/fcntl_get_default_file.c
View File

@@ -1,5 +1,5 @@
/* /*
* $Id: fcntl_get_default_file.c,v 1.6 2006-09-12 14:16:44 obarthel Exp $ * $Id: fcntl_get_default_file.c,v 1.7 2006-09-27 11:54:54 obarthel Exp $
* *
* :ts=4 * :ts=4
* *
@@ -60,7 +60,7 @@ __get_default_file(int file_descriptor,long * file_ptr)
goto out; goto out;
} }
__fd_unlock(fd); __fd_lock(fd);
#if defined(__THREAD_SAFE) #if defined(__THREAD_SAFE)
{ {

6
library/unistd_ttyname_r.c
View File

@@ -1,5 +1,5 @@
/* /*
* $Id: unistd_ttyname_r.c,v 1.4 2006-09-25 14:05:31 obarthel Exp $ * $Id: unistd_ttyname_r.c,v 1.5 2006-09-27 11:54:54 obarthel Exp $
* *
* :ts=4 * :ts=4
* *
@@ -111,12 +111,8 @@ ttyname_r(int file_descriptor,char *name,size_t buflen)
break; break;
} }
__fd_lock(fd);
if(file != ZERO && IsInteractive(file)) if(file != ZERO && IsInteractive(file))
is_tty = TRUE; is_tty = TRUE;
__fd_unlock(fd);
} }
else else
{ {