From: dhylands@gmail.com (Dave Hylands)
To: linux-arm-kernel@lists.infradead.org
Subject: Problems with semaphores, mutexes, and atomic?
Date: Mon, 20 Jun 2011 00:44:16 -0700 [thread overview]
Message-ID: <BANLkTimwzhucvub7ZXymxt2H5xVq=MYPvw@mail.gmail.com> (raw)
In-Reply-To: <BANLkTimDcPWOwEMxdZdPyJdYx7KLGZn2wg@mail.gmail.com>
Hi Saeed,
On Mon, Jun 20, 2011 at 12:20 AM, saeed bishara <saeed.bishara@gmail.com> wrote:
> On Mon, Jun 20, 2011 at 9:39 AM, Dave Hylands <dhylands@gmail.com> wrote:
>> Hi,
>>
>> I wrote a small test module to test semaphores, mutexes and atomic
>> increments, and I've tested it with CONFIG_SMP=y with 1 and 2
>> processors and with CONFIG_SMP disabled.
>>
>> My test code can be found here:
>> http://svn.hylands.org/linux/test-mutex/test-mutex.c
>> (it's about 133 lines long).
> yout code is not complete, the DEFINE_SEMAPHORE and DEFINE_SEMAPHORE
> definitions are missing
I don't follow. Line 7 & 8 has
DEFINE_MUTEX( lock );
DEFINE_SEMAPHORE( sem_lock );
and line 19 has
DEFINE_SEMAPHORE( thread_wait );
--
Dave Hylands
Shuswap, BC, Canada
http://www.davehylands.com
next prev parent reply other threads:[~2011-06-20 7:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-20 6:39 Problems with semaphores, mutexes, and atomic? Dave Hylands
2011-06-20 7:20 ` saeed bishara
2011-06-20 7:44 ` Dave Hylands [this message]
2011-06-20 8:03 ` Arnd Bergmann
2011-06-20 8:21 ` Dave Hylands
2011-06-20 8:34 ` Arnd Bergmann
2011-06-20 9:07 ` Dave Hylands
2011-06-20 8:27 ` Russell King - ARM Linux
2011-06-20 8:58 ` Dave Hylands
2013-07-16 7:11 ` Hesham Mahmoud
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