JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add missing lock releases in __register_exitproc().

Browse Source 
In some code paths the __atexit_lock held by this function was not
released when returning with an error.

        * libc/stdlib/__atexit.c (__register_exitproc): Always release
        lock before return.
This commit is contained in:
Freddie Chopin
2015-12-12 11:52:21 +01:00
committed by Corinna Vinschen
parent ecfba2bb2c
commit c39ad27d9e
2 changed files with 14 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
newlib/libc/stdlib/__atexit.c
View File

@ -83,12 +83,20 @@ _DEFUN (__register_exitproc,
if (p->_ind >= _ATEXIT_SIZE)
{
#ifndef _ATEXIT_DYNAMIC_ALLOC
#ifndef __SINGLE_THREAD__
__lock_release_recursive(__atexit_lock);
#endif
return -1;
#else
/* Don't dynamically allocate the atexit array if malloc is not
available. */
if (!malloc)
return -1;
{
#ifndef __SINGLE_THREAD__
__lock_release_recursive(__atexit_lock);
#endif
return -1;
}
p = (struct _atexit *) malloc (sizeof *p);
if (p == NULL)