diff options
Diffstat (limited to 'cpukit/posix/src/pthreadcreate.c')
| -rw-r--r-- | cpukit/posix/src/pthreadcreate.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/cpukit/posix/src/pthreadcreate.c b/cpukit/posix/src/pthreadcreate.c index 6eeda2da14..c579fb3e14 100644 --- a/cpukit/posix/src/pthreadcreate.c +++ b/cpukit/posix/src/pthreadcreate.c @@ -26,6 +26,16 @@ #include <rtems/posix/time.h> #include <rtems/score/apimutex.h> +static inline size_t _POSIX_Threads_Ensure_minimum_stack ( + size_t size +) +{ + if ( size >= PTHREAD_MINIMUM_STACK_SIZE ) + return size; + return PTHREAD_MINIMUM_STACK_SIZE; +} + + int pthread_create( pthread_t *thread, const pthread_attr_t *attr, @@ -54,11 +64,13 @@ int pthread_create( return EINVAL; /* - * Core Thread Initialize insures we get the minimum amount of + * Core Thread Initialize ensures we get the minimum amount of * stack space if it is allowed to allocate it itself. + * + * NOTE: If the user provides the stack we will let it drop below + * twice the minimum. */ - - if ( the_attr->stackaddr && !_Stack_Is_enough( the_attr->stacksize ) ) + if ( the_attr->stackaddr && !_Stack_Is_enough(the_attr->stacksize) ) return EINVAL; #if 0 @@ -184,7 +196,7 @@ int pthread_create( &_POSIX_Threads_Information, the_thread, the_attr->stackaddr, - the_attr->stacksize, + _POSIX_Threads_Ensure_minimum_stack(the_attr->stacksize), is_fp, core_priority, TRUE, /* preemptible */ |