diff options
Diffstat (limited to 'nuttx/sched/group_internal.h')
| -rw-r--r-- | nuttx/sched/group_internal.h | 71 |
1 files changed, 50 insertions, 21 deletions
diff --git a/nuttx/sched/group_internal.h b/nuttx/sched/group_internal.h index aa8476e3c..b78b38453 100644 --- a/nuttx/sched/group_internal.h +++ b/nuttx/sched/group_internal.h @@ -52,37 +52,62 @@ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ +/* Any negative GID is invalid. */ + +#define INVALID_GROUP_ID (pid_t)-1 +#define IS_INVALID_GID(gid) ((int)(gid) < 0) /**************************************************************************** * Public Type Definitions ****************************************************************************/ /**************************************************************************** - * Global Variables + * Public Data ****************************************************************************/ +/* This is the head of a list of all group members */ + +#ifdef HAVE_GROUP_MEMBERS +extern FAR struct task_group_s *g_grouphead; +#endif + /**************************************************************************** * Public Function Prototypes ****************************************************************************/ /* Task group data structure management */ #ifdef HAVE_TASK_GROUP -int group_allocate(FAR _TCB *tcb); -int group_initialize(FAR _TCB *tcb); -int group_bind(FAR _TCB *tcb); -int group_join(FAR _TCB *tcb); +int group_allocate(FAR _TCB *tcb); +int group_initialize(FAR _TCB *tcb); +int group_bind(FAR _TCB *tcb); +int group_join(FAR _TCB *tcb); void group_leave(FAR _TCB *tcb); + +#ifdef HAVE_GROUP_MEMBERS +FAR struct task_group_s *group_find(gid_t gid); +int group_addmember(FAR struct task_group_s *group, pid_t pid); +int group_removemember(FAR struct task_group_s *group, pid_t pid); +#else +# define group_find(gid) (NULL) +# define group_addmember(group,pid) (0) +# define group_removemember(group,pid) (1) +#endif + #ifndef CONFIG_DISABLE_SIGNALS -int group_signal(FAR _TCB *tcb, FAR siginfo_t *info); +int group_signal(FAR struct task_group_s *group, FAR siginfo_t *info); #else -# define group_signal(tcb,info) (0) +# define group_signal(tcb,info) (0) #endif + #else -# define group_allocate(tcb) (0) -# define group_initialize(tcb) (0) -# define group_bind(tcb) (0) -# define group_join(tcb) (0) -# define group_leave(tcb) -# define group_signal(tcb,info) (0) +# define group_allocate(tcb) (0) +# define group_initialize(tcb) (0) +# define group_bind(tcb) (0) +# define group_join(tcb) (0) +# define group_leave(tcb) +# define group_find(gid) (NULL) +# define group_addmember(group,pid) (0) +# define group_removemember(group,pid) (1) +# define group_signal(tcb,info) (0) #endif /* HAVE_TASK_GROUP */ /* Parent/child data management */ @@ -91,14 +116,18 @@ int group_signal(FAR _TCB *tcb, FAR siginfo_t *info); int task_reparent(pid_t ppid, pid_t chpid); #ifdef CONFIG_SCHED_CHILD_STATUS -FAR struct child_status_s *task_allocchild(void); -void task_freechild(FAR struct child_status_s *status); -void task_addchild(FAR _TCB *tcb, FAR struct child_status_s *child); -FAR struct child_status_s *task_exitchild(FAR _TCB *tcb); -FAR struct child_status_s *task_findchild(FAR _TCB *tcb, pid_t pid); -FAR struct child_status_s *task_removechild(FAR _TCB *tcb, pid_t pid); -void task_removechildren(FAR _TCB *tcb); -#endif +FAR struct child_status_s *group_allocchild(void); +void group_freechild(FAR struct child_status_s *status); +void group_addchild(FAR struct task_group_s *group, + FAR struct child_status_s *child); +FAR struct child_status_s *group_exitchild(FAR struct task_group_s *group); +FAR struct child_status_s *group_findchild(FAR struct task_group_s *group, + pid_t pid); +FAR struct child_status_s *group_removechild(FAR struct task_group_s *group, + pid_t pid); +void group_removechildren(FAR struct task_group_s *group); + +#endif /* CONFIG_SCHED_CHILD_STATUS */ #endif /* CONFIG_SCHED_HAVE_PARENT */ #endif /* __SCHED_GROUP_INERNAL_H */ |