Update of /cvsroot/alsa/alsa-lib/src/control
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31652/src/control

Modified Files:
        hcontrol.c 
Log Message:
Stephen Cook <[EMAIL PROTECTED]>:

- removed the function-in-function for qsort.
  replaced with a static function with a static variable.
  now protected with pthread mutex.



Index: hcontrol.c
===================================================================
RCS file: /cvsroot/alsa/alsa-lib/src/control/hcontrol.c,v
retrieving revision 1.32
retrieving revision 1.33
diff -u -r1.32 -r1.33
--- hcontrol.c  13 Oct 2003 12:06:46 -0000      1.32
+++ hcontrol.c  26 Jan 2004 15:54:10 -0000      1.33
@@ -48,6 +48,7 @@
 #include <string.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
+#include <pthread.h>
 #ifndef DOC_HIDDEN
 #define __USE_GNU
 #endif
@@ -409,17 +410,26 @@
        return 0;
 }
 
+static snd_hctl_t *compare_hctl;
+static int hctl_compare(const void *a, const void *b) {
+       return compare_hctl->compare(*(const snd_hctl_elem_t * const *) a,
+                            *(const snd_hctl_elem_t * const *) b);
+}
+
 static void snd_hctl_sort(snd_hctl_t *hctl)
 {
        unsigned int k;
-       int compar(const void *a, const void *b) {
-               return hctl->compare(*(const snd_hctl_elem_t * const *) a,
-                                    *(const snd_hctl_elem_t * const *) b);
-       }
+       static pthread_mutex_t sync_lock = PTHREAD_MUTEX_INITIALIZER;
+
        assert(hctl);
        assert(hctl->compare);
        INIT_LIST_HEAD(&hctl->elems);
-       qsort(hctl->pelems, hctl->count, sizeof(*hctl->pelems), compar);
+
+       pthread_mutex_lock(&sync_lock);
+       compare_hctl = hctl;
+       qsort(hctl->pelems, hctl->count, sizeof(*hctl->pelems), hctl_compare);
+       pthread_mutex_unlock(&sync_lock);
+
        for (k = 0; k < hctl->count; k++)
                list_add_tail(&hctl->pelems[k]->list, &hctl->elems);
 }



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