* libc/stdlib/__call_atexit.c (__call_exitprocs): Handle atexit

	functions registering additional atexit functions.

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 7c9261b..280580e 100644 (file)
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+2007-04-04  Mark Mitchell  <mark@codesourcery.com>
+
+       * libc/stdlib/__call_atexit.c (__call_exitprocs): Handle atexit
+       functions registering additional atexit functions.
+
 2007-04-04  Patrick Mansfield <patmans@us.ibm.com>
   
        * libc/machine/spu/sys/syscall.h: New file for __send_to_ppe

diff --git a/newlib/libc/stdlib/__call_atexit.c b/newlib/libc/stdlib/__call_atexit.c
index 6fa398a..ab86fca 100644 (file)
--- a/newlib/libc/stdlib/__call_atexit.c
+++ b/newlib/libc/stdlib/__call_atexit.c
@@ -23,6 +23,8 @@ _DEFUN (__call_exitprocs, (code, d),
   int i;
   void (*fn) (void);
 
+ restart:
+
   p = _GLOBAL_REENT->_atexit;
   lastp = &_GLOBAL_REENT->_atexit;
   while (p)
@@ -34,6 +36,8 @@ _DEFUN (__call_exitprocs, (code, d),
 #endif
       for (n = p->_ind - 1; n >= 0; n--)
        {
+         int ind;
+
          i = 1 << n;
 
          /* Skip functions not from this dso.  */
@@ -52,6 +56,8 @@ _DEFUN (__call_exitprocs, (code, d),
          if (!fn)
            continue;
 
+         ind = p->_ind;
+
          /* Call the function.  */
          if (!args || (args->_fntypes & i) == 0)
            fn ();
@@ -59,6 +65,12 @@ _DEFUN (__call_exitprocs, (code, d),
            (*((void (*)(int, _PTR)) fn))(code, args->_fnargs[n]);
          else
            (*((void (*)(_PTR)) fn))(args->_fnargs[n]);
+
+         /* The function we called call atexit and registered another
+            function (or functions).  Call these new functions before
+            continuing with the already registered functions.  */
+         if (ind != p->_ind || *lastp != p)
+           goto restart;
        }
 
 #ifndef _ATEXIT_DYNAMIC_ALLOC