diff options
| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-02-05 19:50:37 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-02-05 19:50:37 +0000 |
| commit | 0d9fb476ea6f347c48a3ac8c2d98251467421203 (patch) | |
| tree | e98b731e1ff4298ed906fde23198fb4d9a9d61a9 /nuttx/include | |
| parent | 70121d6ca8fd0e48f35b3ccb52e3b960e64df6c2 (diff) | |
| download | px4-nuttx-0d9fb476ea6f347c48a3ac8c2d98251467421203.tar.gz px4-nuttx-0d9fb476ea6f347c48a3ac8c2d98251467421203.tar.bz2 px4-nuttx-0d9fb476ea6f347c48a3ac8c2d98251467421203.zip | |
Moving pending signals to task group; Logic to recover some MQ resources on pthread_cacancel or task_delete; Now obeys rules for delivering signals to a process with threads
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5613 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/include')
| -rw-r--r-- | nuttx/include/nuttx/sched.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/nuttx/include/nuttx/sched.h b/nuttx/include/nuttx/sched.h index 47910fabe..69ed689b8 100644 --- a/nuttx/include/nuttx/sched.h +++ b/nuttx/include/nuttx/sched.h @@ -73,7 +73,9 @@ # define HAVE_GROUP_MEMBERS 1 /* We need a group (but not members) if any other resources are shared within - * a task group. + * a task group. NOTE: that we essentially always need a task group and that + * managing this definition adds a lot of overhead just to handle a corner- + * case very minimal system! */ #else @@ -81,6 +83,8 @@ # define HAVE_TASK_GROUP 1 /* pthreads with parent*/ # elif !defined(CONFIG_DISABLE_ENVIRON) # define HAVE_TASK_GROUP 1 /* Environment variables */ +# elif !defined(CONFIG_DISABLE_SIGNALS) +# define HAVE_TASK_GROUP 1 /* Signals */ # elif defined(CONFIG_SCHED_ATEXIT) # define HAVE_TASK_GROUP 1 /* Group atexit() function */ # elif defined(CONFIG_SCHED_ONEXIT) @@ -293,13 +297,13 @@ struct task_group_s { #ifdef HAVE_GROUP_MEMBERS struct task_group_s *flink; /* Supports a singly linked list */ - gid_t tg_gid; /* The ID of this task group */ - gid_t tg_pgid; /* The ID of the parent task group */ + gid_t tg_gid; /* The ID of this task group */ + gid_t tg_pgid; /* The ID of the parent task group */ #endif #if !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_SCHED_HAVE_PARENT) - pid_t tg_task; /* The ID of the task within the group */ + pid_t tg_task; /* The ID of the task within the group */ #endif - uint8_t tg_flags; /* See GROUP_FLAG_* definitions */ + uint8_t tg_flags; /* See GROUP_FLAG_* definitions */ /* Group membership ***********************************************************/ @@ -353,6 +357,12 @@ struct task_group_s uint8_t tg_nkeys; /* Number pthread keys allocated */ #endif + /* POSIX Signal Control Fields ************************************************/ + +#ifndef CONFIG_DISABLE_SIGNALS + sq_queue_t sigpendingq; /* List of pending signals */ +#endif + /* Environment variables ******************************************************/ #ifndef CONFIG_DISABLE_ENVIRON @@ -471,7 +481,6 @@ struct tcb_s sigset_t sigprocmask; /* Signals that are blocked */ sigset_t sigwaitmask; /* Waiting for pending signals */ sq_queue_t sigactionq; /* List of actions for signals */ - sq_queue_t sigpendingq; /* List of Pending Signals */ sq_queue_t sigpendactionq; /* List of pending signal actions */ sq_queue_t sigpostedq; /* List of posted signals */ siginfo_t sigunbinfo; /* Signal info when task unblocked */ |