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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-11-16 14:50:09 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-11-23 12:52:06 +0100 |
commit | c42be504c92d76d2e06d0fc8ebd05fc913376d2d (patch) | |
tree | 259f8a712a6139f427888647955bc3c95480877e /testsuites/psxtests/psxconfig01/init.c | |
parent | score: Add RTEMS_ALIAS() (diff) | |
download | rtems-c42be504c92d76d2e06d0fc8ebd05fc913376d2d.tar.bz2 |
posix: Add self-contained pthread spinlock
Turn pthread_spinlock_t into a self-contained object. On uni-processor
configurations, interrupts are disabled in the lock/trylock operations
and the previous interrupt status is restored in the corresponding
unlock operations. On SMP configurations, a ticket lock is a acquired
and released in addition.
The self-contained pthread_spinlock_t object is defined by Newlib in
<sys/_pthreadtypes.h>.
typedef struct {
struct _Ticket_lock_Control _lock;
__uint32_t _interrupt_state;
} pthread_spinlock_t;
This implementation is simple and efficient. However, this test case of
the Linux Test Project would fail due to call of printf() and sleep()
during spin lock ownership:
https://github.com/linux-test-project/ltp/blob/master/testcases/open_posix_testsuite/conformance/interfaces/pthread_spin_lock/1-2.c
There is only limited support for profiling on SMP configurations.
Delete CORE spinlock implementation.
Update #2674.
Diffstat (limited to '')
-rw-r--r-- | testsuites/psxtests/psxconfig01/init.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/testsuites/psxtests/psxconfig01/init.c b/testsuites/psxtests/psxconfig01/init.c index 582fd11197..1513b54d73 100644 --- a/testsuites/psxtests/psxconfig01/init.c +++ b/testsuites/psxtests/psxconfig01/init.c @@ -67,7 +67,6 @@ const char rtems_test_name[] = "PSXCONFIG 1"; #define CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS 7 #define CONFIGURE_MAXIMUM_POSIX_RWLOCKS 31 #define CONFIGURE_MAXIMUM_POSIX_SEMAPHORES 41 -#define CONFIGURE_MAXIMUM_POSIX_SPINLOCKS 17 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION #define CONFIGURE_MAXIMUM_POSIX_THREADS 3 @@ -515,18 +514,6 @@ static rtems_task Init(rtems_task_argument argument) ); #endif -#ifdef CONFIGURE_MAXIMUM_POSIX_SPINLOCKS - for (i = 0; i < CONFIGURE_MAXIMUM_POSIX_SPINLOCKS; ++i) { - pthread_spinlock_t spinlock; - eno = pthread_spin_init(&spinlock, 0); - rtems_test_assert(eno == 0); - } - rtems_resource_snapshot_take(&snapshot); - rtems_test_assert( - snapshot.posix_api.active_spinlocks == CONFIGURE_MAXIMUM_POSIX_SPINLOCKS - ); -#endif - #ifdef CONFIGURE_MAXIMUM_POSIX_THREADS for (i = 0; i < CONFIGURE_MAXIMUM_POSIX_THREADS; ++i) { pthread_t thread; |