eina: make it possible to force the number of detected CPU as way to overcome local bug.

SVN revision: 70328

legacy/eina/ChangeLog

@@ -250,3 +250,7 @@
 
 	* Add missing API eina_file_map_faulted() on Windows. Does nothing
 	for now.
+
+2012-04-19  Cedric Bail
+
+	* Make it possible to force the number of detected CPU on a system.

legacy/eina/NEWS

@@ -32,6 +32,7 @@ Fixes:
     * forgotten initialization of eina list count during eina_list_split_list.
     * leak in Eina_File.
     * deadlock in Eina_File.
+    * make it possible to force the number of detected CPU on a system.
 
 Improvements:
 

legacy/eina/src/lib/eina_cpu.c

@@ -130,7 +130,10 @@ EAPI Eina_Cpu_Features eina_cpu_features_get(void)
    return ecf;
 }
 
-EAPI int eina_cpu_count(void)
+static int _cpu_count = -1;
+
+static int
+_eina_cpu_count_internal(void)
 {
 #ifdef EFL_HAVE_THREADS
 
@@ -205,3 +208,16 @@ EAPI int eina_cpu_count(void)
    return 1;
 #endif
 }
+
+EAPI int eina_cpu_count(void)
+{
+   return _cpu_count;
+}
+
+void eina_cpu_count_internal(void)
+{
+   if (getenv("EINA_CPU_FAKE"))
+     _cpu_count = atoi(getenv("EINA_CPU_FAKE"));
+   else
+     _cpu_count = _eina_cpu_count_internal();
+}

legacy/eina/src/lib/eina_main.c

@@ -298,6 +298,8 @@ eina_init(void)
           }
      }
 
+   eina_cpu_count_internal();
+
    _eina_main_count = 1;
    return 1;
 }

legacy/eina/src/lib/eina_private.h

@@ -142,6 +142,8 @@ void eina_log_threads_init(void);
 void eina_log_threads_shutdown(void);
 #endif
 
+void eina_cpu_count_internal(void);
+
 void eina_file_mmap_faulty(void *addr, long page_size);
 
 #endif /* EINA_PRIVATE_H_ */