diff options
Diffstat (limited to 'c/src/exec/score/include/rtems/score/thread.h')
| -rw-r--r-- | c/src/exec/score/include/rtems/score/thread.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/c/src/exec/score/include/rtems/score/thread.h b/c/src/exec/score/include/rtems/score/thread.h index 07f5d2a504..18d4774a5d 100644 --- a/c/src/exec/score/include/rtems/score/thread.h +++ b/c/src/exec/score/include/rtems/score/thread.h @@ -220,6 +220,7 @@ struct Thread_Control_struct { #if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) void *fp_context; #endif + void *libc_reent; void *API_Extensions[ THREAD_API_LAST + 1 ]; void **extensions; rtems_task_variable_t *task_variables; @@ -317,6 +318,15 @@ SCORE_EXTERN Thread_Control *_Thread_Allocated_fp; #endif /* + * The C library re-enter-rant global pointer. Some C library implementations + * such as newlib have a single global pointer that changed during a context + * switch. The pointer points to that global pointer. The Thread control block + * holds a pointer to the task specific data. + */ + +SCORE_EXTERN void **_Thread_libc_reent; + +/* * _Thread_Handler_initialization * * DESCRIPTION: |