HCoop / hcoop / debian / openafs.git / blame
| Commit | Line | Data |
|---|---|---|
| 805e021f CE |
1 | /* |
| 2 | * Copyright 2008-2010, Sine Nomine Associates and others. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This software has been released under the terms of the IBM Public | |
| 6 | * License. For details, see the LICENSE file in the top-level source | |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef AFS_UTIL_THREAD_POOL_IMPL_TYPES_H | |
| 11 | #define AFS_UTIL_THREAD_POOL_IMPL_TYPES_H 1 | |
| 12 | ||
| 13 | #ifndef __AFS_THREAD_POOL_IMPL | |
| 14 | #error "do not include this file outside of the thread pool implementation" | |
| 15 | #endif | |
| 16 | ||
| 17 | #include "thread_pool_types.h" | |
| 18 | #include <rx/rx_queue.h> | |
| 19 | ||
| 20 | /** | |
| 21 | * | |
| 22 | * implementation-private type definitions for thread_pool. | |
| 23 | */ | |
| 24 | ||
| 25 | /** | |
| 26 | * thread_pool worker state. | |
| 27 | */ | |
| 28 | typedef enum { | |
| 29 | AFS_TP_STATE_INIT, /**< initial state */ | |
| 30 | AFS_TP_STATE_STARTING, /**< pool is starting up */ | |
| 31 | AFS_TP_STATE_RUNNING, /**< pool is running normally */ | |
| 32 | AFS_TP_STATE_STOPPING, /**< stop requested */ | |
| 33 | AFS_TP_STATE_STOPPED, /**< pool is shut down */ | |
| 34 | /* add new states above this line */ | |
| 35 | AFS_TP_STATE_TERMINAL | |
| 36 | } afs_tp_state_t; | |
| 37 | ||
| 38 | /** | |
| 39 | * thread_pool worker. | |
| 40 | */ | |
| 41 | struct afs_thread_pool_worker { | |
| 42 | struct rx_queue worker_list; /**< linked list of thread workers. */ | |
| 43 | struct afs_thread_pool * pool; /**< associated thread pool */ | |
| 44 | void * ret; /**< return value from worker thread entry point */ | |
| 45 | pthread_t tid; /**< thread id */ | |
| 46 | int req_shutdown; /**< request shutdown of this thread */ | |
| 47 | }; | |
| 48 | ||
| 49 | /** | |
| 50 | * thread pool. | |
| 51 | */ | |
| 52 | struct afs_thread_pool { | |
| 53 | struct rx_queue thread_list; /**< linked list of threads */ | |
| 54 | struct afs_work_queue * work_queue; /**< work queue serviced by this thread pool. */ | |
| 55 | afs_tp_worker_func_t * entry; /**< worker thread entry point */ | |
| 56 | void * rock; /**< opaque pointer passed to worker thread entry point */ | |
| 57 | afs_uint32 nthreads; /**< current pool size */ | |
| 58 | afs_tp_state_t state; /**< pool state */ | |
| 59 | afs_uint32 max_threads; /**< pool options */ | |
| 60 | pthread_mutex_t lock; /**< pool global state lock */ | |
| 61 | pthread_cond_t shutdown_cv; /**< thread shutdown cv */ | |
| 62 | }; | |
| 63 | ||
| 64 | #endif /* AFS_UTIL_THREAD_POOL_IMPL_TYPES_H */ |