pthread_cond_brodcast/1-2.c hung when mem left is not enough

@@ -50,6 +50,7 @@
 #include <semaphore.h>
 #include <sys/sysinfo.h>
 
+#include <mem_info.h>
 #include "../testfrmw/testfrmw.h"
 #include "../testfrmw/testfrmw.c"
 

@@ -244,20 +245,19 @@ void *timer(void *arg)
 	return NULL; /* For compiler */
 }
 
-#ifdef __linux__
 static void children_number(void)
 {
 	struct sysinfo sysinformation;
-	int ret;
 	int avail_number;
+	unsigned long freeram;
 	unsigned long per_process;
 	unsigned long min_stack;
 
 	min_stack = sysconf(_SC_THREAD_STACK_MIN);
 
-	ret = sysinfo(&sysinformation);
-	if (ret != 0)
-		UNRESOLVED(ret, "Failed to get system information.");
+	freeram = getfreeram();
+	if (freeram == 0)
+		return;
 
 	per_process = min_stack * max_thread_children;
 	if (per_process > sysinformation.freeram)

@@ -273,12 +273,6 @@ static void children_number(void)
 
 	return;
 }
-#else
-static void children_number(void)
-{
-	return;
-}
-#endif
 
 int main(int argc, char *argv[])
 {

new file mode 100644
index 0000000..1669216
@@ -0,0 +1,40 @@
+/*
+ *
+ *   Copyright (c) 2012, DAN LI
+ *
+ *   This program is free software;  you can redistribute it and/or modify
+ *   it under the terms in version 2 of the GNU General Public License as
+ *   published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program;  if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *   Author:  DAN LI <li.dan AT cn fujitsu com>
+ *   Date:    10/12/2012
+ */
+
+#ifdef __linux__
+#include <sys/sysinfo.h>
+
+static int getfreeram(void)
+{
+	int ret;
+	struct sysinfo sysinformation;
+
+	ret = sysinfo(&sysinformation);
+	if (ret != 0)
+		return 0;
+	return sysinformation.freeram;
+}
+#else
+static int getfreeram(void)
+{
+	return 0;
+}
+#endif