Index: mozilla/nsprpub/pr/include/private/pprmwait.h |
=================================================================== |
--- mozilla/nsprpub/pr/include/private/pprmwait.h (revision 191424) |
+++ mozilla/nsprpub/pr/include/private/pprmwait.h (working copy) |
@@ -1,103 +0,0 @@ |
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
-/* This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
- |
-#if defined(_PPRMWAIT_H) |
-#else |
-#define _PPRMWAIT_H |
- |
-#include "prlock.h" |
-#include "prcvar.h" |
-#include "prclist.h" |
-#include "prthread.h" |
- |
-#define MAX_POLLING_INTERVAL 100 |
-#define _PR_POLL_COUNT_FUDGE 64 |
-#define _PR_DEFAULT_HASH_LENGTH 59 |
- |
-/* |
- * Our hash table resolves collisions by open addressing with |
- * double hashing. See Cormen, Leiserson, and Rivest, |
- * Introduction to Algorithms, p. 232, The MIT Press, 1990. |
- */ |
- |
-#define _MW_HASH(a, m) ((((PRUptrdiff)(a) >> 4) ^ ((PRUptrdiff)(a) >> 10)) % (m)) |
-#define _MW_HASH2(a, m) (1 + ((((PRUptrdiff)(a) >> 4) ^ ((PRUptrdiff)(a) >> 10)) % (m - 2))) |
-#define _MW_ABORTED(_rv) \ |
- ((PR_FAILURE == (_rv)) && (PR_PENDING_INTERRUPT_ERROR == PR_GetError())) |
- |
-typedef enum {_prmw_success, _prmw_rehash, _prmw_error} _PR_HashStory; |
- |
-typedef struct _PRWaiterHash |
-{ |
- PRUint16 count; /* current number in hash table */ |
- PRUint16 length; /* current size of the hash table */ |
- PRRecvWait *recv_wait; /* hash table of receive wait objects */ |
-} _PRWaiterHash; |
- |
-typedef enum {_prmw_running, _prmw_stopping, _prmw_stopped} PRMWGroupState; |
- |
-struct PRWaitGroup |
-{ |
- PRCList group_link; /* all groups are linked to each other */ |
- PRCList io_ready; /* list of I/O requests that are ready */ |
- PRMWGroupState state; /* state of this group (so we can shut down) */ |
- |
- PRLock *ml; /* lock for synchronizing this wait group */ |
- PRCondVar *io_taken; /* calling threads notify when they take I/O */ |
- PRCondVar *io_complete; /* calling threads wait here for completions */ |
- PRCondVar *new_business; /* polling thread waits here more work */ |
- PRCondVar *mw_manage; /* used to manage group lists */ |
- PRThread* poller; /* thread that's actually doing the poll() */ |
- PRUint16 waiting_threads; /* number of threads waiting for recv */ |
- PRUint16 polling_count; /* number of elements in the polling list */ |
- PRUint32 p_timestamp; /* pseudo-time group had element removed */ |
- PRPollDesc *polling_list; /* list poller builds for polling */ |
- PRIntervalTime last_poll; /* last time we polled */ |
- _PRWaiterHash *waiter; /* pointer to hash table of wait receive objects */ |
- |
-#ifdef WINNT |
- /* |
- * On NT, idle threads are responsible for getting completed i/o. |
- * They need to add completed i/o to the io_ready list. Since |
- * idle threads cannot use nspr locks, we have to use an md lock |
- * to protect the io_ready list. |
- */ |
- _MDLock mdlock; /* protect io_ready, waiter, and wait_list */ |
- PRCList wait_list; /* used in place of io_complete. reuse |
- * waitQLinks in the PRThread structure. */ |
-#endif /* WINNT */ |
-}; |
- |
-/********************************************************************** |
-*********************************************************************** |
-******************** Wait group enumerations ************************** |
-*********************************************************************** |
-**********************************************************************/ |
-typedef struct _PRGlobalState |
-{ |
- PRCList group_list; /* master of the group list */ |
- PRWaitGroup *group; /* the default (NULL) group */ |
-} _PRGlobalState; |
- |
-#ifdef WINNT |
-extern PRStatus NT_HashRemoveInternal(PRWaitGroup *group, PRFileDesc *fd); |
-#endif |
- |
-typedef enum {_PR_ENUM_UNSEALED=0, _PR_ENUM_SEALED=0x0eadface} _PREnumSeal; |
- |
-struct PRMWaitEnumerator |
-{ |
- PRWaitGroup *group; /* group this enumerator is bound to */ |
- PRThread *thread; /* thread in midst of an enumeration */ |
- _PREnumSeal seal; /* trying to detect deleted objects */ |
- PRUint32 p_timestamp; /* when enumeration was (re)started */ |
- PRRecvWait **waiter; /* pointer into hash table */ |
- PRUintn index; /* position in hash table */ |
- void *pad[4]; /* some room to grow */ |
-}; |
- |
-#endif /* defined(_PPRMWAIT_H) */ |
- |
-/* pprmwait.h */ |