Re: still need Gloger's Sept 5 patch to pass make check

["Kevin B. Hendricks" <khendricks at ivey dot uwo dot ca>]

Hi Ulrich,

>I don't remember the patch and probably don't have it anymore.


Here it is.  I have simply copied it from the libc-alpha mailing list archive.
It applies cleanly with the addition of -l to patch.

Thanks,
Kevin

---cut-here---

Here is the promised patch for the 1GB limit Steve Baur (and others)
were seeing.

Regards,
Wolfram.

2000-09-05  Wolfram Gloger  <wg@malloc.de>

        * malloc/thread-m.h [_LIBC]: Even if not linking with libpthread,
        ensure usability of mutex as an `in use' flag.

--- malloc/thread-m.h.orig      Fri Dec 10 19:10:09 1999
+++ malloc/thread-m.h   Tue Sep  5 18:20:30 2000
@@ -42,14 +42,22 @@

 #define MUTEX_INITIALIZER      PTHREAD_MUTEX_INITIALIZER

+/* Even if not linking with libpthread, ensure usability of mutex as
+   an `in use' flag, see also the NO_THREADS case below.  Assume
+   pthread_mutex_t is at least one int wide.  */
+
 #define mutex_init(m)          \
-   (__pthread_mutex_init != NULL ? __pthread_mutex_init (m, NULL) : 0)
+   (__pthread_mutex_init != NULL ? __pthread_mutex_init (m, NULL) : \
+                                   (*(int*)(m) = 0))
 #define mutex_lock(m)          \
-   (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (m) : 0)
+   (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (m) : \
+                                   ((*(int*)(m) = 1), 0))
 #define mutex_trylock(m)       \
-   (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (m) : 0)
+   (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (m) : \
+                                      (*(int*)(m) ? 1 : ((*(int*)(m) = 1),
0)))
 #define mutex_unlock(m)                \
-   (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (m) : 0)
+   (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (m) : \
+                                     (*(int*)(m) = 0))

 #define thread_atfork(prepare, parent, child) \
    (__pthread_atfork != NULL ? __pthread_atfork(prepare, parent, child) : 0)