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posix: Fix pthread_spin_unlock() error status

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Update #2719.
This commit is contained in:
Sebastian Huber
2016-05-25 08:37:28 +02:00
parent 276dfd9f3d
commit 3f72dda6ee
5 changed files with 18 additions and 22 deletions
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3
cpukit/posix/src/pspinlocktranslatereturncode.c
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@@ -31,8 +31,7 @@ static int _POSIX_Spinlock_Return_codes[CORE_SPINLOCK_STATUS_LAST + 1] = {
EPERM, /* CORE_SPINLOCK_NOT_HOLDER */
-1, /* CORE_SPINLOCK_TIMEOUT */
EBUSY, /* CORE_SPINLOCK_IS_BUSY */
EBUSY, /* CORE_SPINLOCK_UNAVAILABLE */
0 /* CORE_SPINLOCK_NOT_LOCKED */
EBUSY /* CORE_SPINLOCK_UNAVAILABLE */
};

8
cpukit/score/include/rtems/score/corespinlockimpl.h
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@@ -56,15 +56,11 @@ typedef enum {
/** This status indicates that the spinlock is currently locked and thus
* unavailable.
*/
CORE_SPINLOCK_UNAVAILABLE,
/** This status indicates that the spinlock is not currently locked and thus
* should not be released.
*/
CORE_SPINLOCK_NOT_LOCKED
CORE_SPINLOCK_UNAVAILABLE
} CORE_spinlock_Status;
/** This is a shorthand for the last status code. */
#define CORE_SPINLOCK_STATUS_LAST CORE_SPINLOCK_NOT_LOCKED
#define CORE_SPINLOCK_STATUS_LAST CORE_SPINLOCK_UNAVAILABLE
/** This indicates the lock is available. */
#define CORE_SPINLOCK_UNLOCKED 0

13
cpukit/score/src/corespinlockrelease.c
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@@ -31,18 +31,13 @@ CORE_spinlock_Status _CORE_spinlock_Release(
_ISR_Disable( level );
/*
* It must locked before it can be unlocked.
*/
if ( the_spinlock->lock == CORE_SPINLOCK_UNLOCKED ) {
_ISR_Enable( level );
return CORE_SPINLOCK_NOT_LOCKED;
}
/*
* It must locked by the current thread before it can be unlocked.
*/
if ( the_spinlock->holder != _Thread_Executing->Object.id ) {
if (
the_spinlock->lock != CORE_SPINLOCK_LOCKED
|| the_spinlock->holder != _Thread_Executing
) {
_ISR_Enable( level );
return CORE_SPINLOCK_NOT_HOLDER;
}

7
testsuites/psxtests/psxspin01/psxspin01.scn
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@@ -1,4 +1,4 @@
*** POSIX SPINLOCK TEST 01 ***
*** BEGIN OF TEST PSXSPIN 1 ***
pthread_spin_init( NULL, PTHREAD_PROCESS_PRIVATE ) -- EINVAL
pthread_spin_init( NULL, PTHREAD_PROCESS_SHARED ) -- EINVAL
pthread_spin_init( &spinlock, 0x1234 ) -- EINVAL
@@ -14,7 +14,7 @@ pthread_spin_lock( &spinlock ) -- EINVAL
pthread_spin_trylock( &spinlock ) -- EINVAL
pthread_spin_unlock( &spinlock ) -- EINVAL
pthread_spin_destroy( &spinlock ) -- EINVAL
pthread_spin_unlock( &Spinlock ) -- already unlocked OK
pthread_spin_unlock( &Spinlock ) -- EPERM
pthread_spin_lock( &Spinlock ) -- OK
pthread_spin_lock( &Spinlock ) -- EDEADLK
pthread_spin_trylock( &Spinlock ) -- EDEADLK
@@ -23,9 +23,10 @@ pthread_spin_trylock( &Spinlock ) -- OK
pthread_spin_unlock( &Spinlock ) -- OK
pthread_spin_lock( &Spinlock ) from Thread -- OK
sleep to allow main thread to run
pthread_spin_unlock( &Spinlock ) -- EPERM
pthread_spin_lock( &Spinlock ) -- OK
pthread_spin_unlock( &Spinlock ) from Thread -- OK
pthread_spin_destroy( &Spinlock ) -- EBUSY
pthread_spin_unlock( &Spinlock ) -- OK
pthread_spin_destroy( &Spinlock ) -- OK
*** END OF POSIX SPINLOCK TEST 01 ***
*** END OF TEST PSXSPIN 1 ***

9
testsuites/psxtests/psxspin01/test.c
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@@ -146,9 +146,9 @@ int main(
status = pthread_spin_destroy( &spinlock );
rtems_test_assert( status == EINVAL );
puts( "pthread_spin_unlock( &Spinlock ) -- already unlocked OK" );
puts( "pthread_spin_unlock( &Spinlock ) -- EPERM" );
status = pthread_spin_unlock( &Spinlock );
rtems_test_assert( status == 0 );
rtems_test_assert( status == EPERM );
/* Now some basic locking and unlocking with a deadlock verification */
puts( "pthread_spin_lock( &Spinlock ) -- OK" );
@@ -200,6 +200,11 @@ int main(
*/
mainThreadSpinning = 1;
puts( "pthread_spin_unlock( &Spinlock ) -- EPERM" );
status = pthread_spin_unlock( &Spinlock );
rtems_test_assert( status == EPERM );
puts( "pthread_spin_lock( &Spinlock ) -- OK" );
status = pthread_spin_lock( &Spinlock );
rtems_test_assert( status == 0 );