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pthread_mutex_init: added error messages for NULL mutex and EBUSY

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This commit is contained in:
Mark Johannes
1996-08-19 15:27:37 +00:00
parent cd3868cdd3
commit 02f041e40b
2 changed files with 44 additions and 12 deletions
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20
c/src/exec/posix/src/mutex.c
View File

@@ -219,12 +219,28 @@ int pthread_mutex_init(
CORE_mutex_Attributes *the_mutex_attr; CORE_mutex_Attributes *the_mutex_attr;
const pthread_mutexattr_t *the_attr; const pthread_mutexattr_t *the_attr;
CORE_mutex_Disciplines the_discipline; CORE_mutex_Disciplines the_discipline;
register POSIX_Mutex_Control *mutex_in_use;
Objects_Locations location;
if ( attr ) the_attr = attr; if ( attr ) the_attr = attr;
else the_attr = &_POSIX_Mutex_Default_attributes; else the_attr = &_POSIX_Mutex_Default_attributes;
/* XXX need to check for NULL mutex */ /* Check for NULL mutex */
/* XXX EBUSY if *mutex is a valid id */
if ( !mutex )
return EINVAL;
/* EBUSY if *mutex is a valid id */
mutex_in_use = _POSIX_Mutex_Get( mutex, &location );
switch ( location ) {
case OBJECTS_ERROR:
break;
case OBJECTS_REMOTE:
case OBJECTS_LOCAL:
_Thread_Enable_dispatch();
return EBUSY;
};
if ( !the_attr->is_initialized ) if ( !the_attr->is_initialized )
return EINVAL; return EINVAL;

20
cpukit/posix/src/mutex.c
View File

@@ -219,12 +219,28 @@ int pthread_mutex_init(
CORE_mutex_Attributes *the_mutex_attr; CORE_mutex_Attributes *the_mutex_attr;
const pthread_mutexattr_t *the_attr; const pthread_mutexattr_t *the_attr;
CORE_mutex_Disciplines the_discipline; CORE_mutex_Disciplines the_discipline;
register POSIX_Mutex_Control *mutex_in_use;
Objects_Locations location;
if ( attr ) the_attr = attr; if ( attr ) the_attr = attr;
else the_attr = &_POSIX_Mutex_Default_attributes; else the_attr = &_POSIX_Mutex_Default_attributes;
/* XXX need to check for NULL mutex */ /* Check for NULL mutex */
/* XXX EBUSY if *mutex is a valid id */
if ( !mutex )
return EINVAL;
/* EBUSY if *mutex is a valid id */
mutex_in_use = _POSIX_Mutex_Get( mutex, &location );
switch ( location ) {
case OBJECTS_ERROR:
break;
case OBJECTS_REMOTE:
case OBJECTS_LOCAL:
_Thread_Enable_dispatch();
return EBUSY;
};
if ( !the_attr->is_initialized ) if ( !the_attr->is_initialized )
return EINVAL; return EINVAL;