Call RTX-51 tiny function in a function?

Hello Reinhard Keil,
I want to add some more features to the current RTX-51 Tiny, so I'll need to call RTX-51 tiny functions in my own function.
I want to ask if my function can be called from more than 1 task?
Example:

      void function1 (void) reentrant
      {
           ....
           os_wait (...);
           ....
      }

      void task1 (void) _task_ 1
      {
          while (1)
          {
                ....
                function1 ();
                ....
           }
       }

       void task2 (void) _task_ 2
       {
           while (1)
           {
               ....
               function1 ();
               ....
            }
        }

Hello Reinhard Keil,
I want to add some more features to the current RTX-51 Tiny, so I'll need to call RTX-51 tiny functions in my own function.
I want to ask if my function can be called from more than 1 task?
Example:

      void function1 (void) reentrant
      {
           ....
           os_wait (...);
           ....
      }

      void task1 (void) _task_ 1
      {
          while (1)
          {
                ....
                function1 ();
                ....
           }
       }

       void task2 (void) _task_ 2
       {
           while (1)
           {
               ....
               function1 ();
               ....
            }
        }

Yan can do this.

When the function is reentrant, there is no problem (see: http://www.keil.com/support/docs/1861.htm)

When the function is not reentrant, the linker will issue warning L15 and you need to proceed as explained in:
http://www.keil.com/support/docs/2042.htm