From: David van Moolenbroek <david@minix3.org>
Date: Thu, 9 Feb 2012 21:28:18 +0000 (+0100)
Subject: libblockdriver: increase stack size to 8KB per thread
X-Git-Tag: v3.2.0~48
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch04.html?a=commitdiff_plain;h=de8951771162c140e4be81b129dc05ca6e220d77;p=minix.git

libblockdriver: increase stack size to 8KB per thread
---

diff --git a/lib/libblockdriver/const.h b/lib/libblockdriver/const.h
index 941c4391c..5f475e3e9 100644
--- a/lib/libblockdriver/const.h
+++ b/lib/libblockdriver/const.h
@@ -1,6 +1,9 @@
 #ifndef _BLOCKDRIVER_CONST_H
 #define _BLOCKDRIVER_CONST_H
 
+/* Thread stack size. */
+#define STACK_SIZE	8192
+
 /* Maximum number of devices supported. */
 #define MAX_DEVICES	32
 
diff --git a/lib/libblockdriver/driver_mt.c b/lib/libblockdriver/driver_mt.c
index 0ec53e31e..b3c686c14 100644
--- a/lib/libblockdriver/driver_mt.c
+++ b/lib/libblockdriver/driver_mt.c
@@ -212,6 +212,7 @@ PRIVATE void master_create_worker(worker_t *wp, worker_id_t worker_id,
 {
 /* Start a new worker thread.
  */
+  mthread_attr_t attr;
   int r;
 
   wp->device_id = device_id;
@@ -221,8 +222,15 @@ PRIVATE void master_create_worker(worker_t *wp, worker_id_t worker_id,
   /* Initialize synchronization primitives. */
   mthread_event_init(&wp->sleep_event);
 
-  r = mthread_create(&wp->mthread, NULL /*attr*/, worker_thread, (void *) wp);
+  r = mthread_attr_init(&attr);
+  if (r != 0)
+	panic("blockdriver_mt: could not initialize attributes (%d)", r);
+
+  r = mthread_attr_setstacksize(&attr, STACK_SIZE);
+  if (r != 0)
+	panic("blockdriver_mt: could not set stack size (%d)", r);
 
+  r = mthread_create(&wp->mthread, &attr, worker_thread, (void *) wp);
   if (r != 0)
 	panic("blockdriver_mt: could not start thread %d (%d)", worker_id, r);
 }