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Diffstat (limited to 'cc3200/simplelink/source/spawn.c')
| -rw-r--r-- | cc3200/simplelink/source/spawn.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/cc3200/simplelink/source/spawn.c b/cc3200/simplelink/source/spawn.c deleted file mode 100644 index fdf1930ca..000000000 --- a/cc3200/simplelink/source/spawn.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * spawn.c - CC31xx/CC32xx Host Driver Implementation - * - * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ - * - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the - * distribution. - * - * Neither the name of Texas Instruments Incorporated nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * -*/ - - - -/*****************************************************************************/ -/* Include files */ -/*****************************************************************************/ -#include "simplelink.h" - - -#if (defined (SL_PLATFORM_MULTI_THREADED)) && (!defined (SL_PLATFORM_EXTERNAL_SPAWN)) - -#define _SL_MAX_INTERNAL_SPAWN_ENTRIES 10 - -typedef struct _SlInternalSpawnEntry_t -{ - _SlSpawnEntryFunc_t pEntry; - void* pValue; - struct _SlInternalSpawnEntry_t* pNext; -}_SlInternalSpawnEntry_t; - -typedef struct -{ - _SlInternalSpawnEntry_t SpawnEntries[_SL_MAX_INTERNAL_SPAWN_ENTRIES]; - _SlInternalSpawnEntry_t* pFree; - _SlInternalSpawnEntry_t* pWaitForExe; - _SlInternalSpawnEntry_t* pLastInWaitList; - _SlSyncObj_t SyncObj; - _SlLockObj_t LockObj; -}_SlInternalSpawnCB_t; - -_SlInternalSpawnCB_t g_SlInternalSpawnCB; - - -void _SlInternalSpawnTaskEntry() -{ - _i16 i; - _SlInternalSpawnEntry_t* pEntry; - _u8 LastEntry; - - /* create and lock the locking object. lock in order to avoid race condition - on the first creation */ - sl_LockObjCreate(&g_SlInternalSpawnCB.LockObj,"SlSpawnProtect"); - sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_NO_WAIT); - - /* create and clear the sync object */ - sl_SyncObjCreate(&g_SlInternalSpawnCB.SyncObj,"SlSpawnSync"); - sl_SyncObjWait(&g_SlInternalSpawnCB.SyncObj,SL_OS_NO_WAIT); - - g_SlInternalSpawnCB.pFree = &g_SlInternalSpawnCB.SpawnEntries[0]; - g_SlInternalSpawnCB.pWaitForExe = NULL; - g_SlInternalSpawnCB.pLastInWaitList = NULL; - - /* create the link list between the entries */ - for (i=0 ; i<_SL_MAX_INTERNAL_SPAWN_ENTRIES - 1 ; i++) - { - g_SlInternalSpawnCB.SpawnEntries[i].pNext = &g_SlInternalSpawnCB.SpawnEntries[i+1]; - g_SlInternalSpawnCB.SpawnEntries[i].pEntry = NULL; - } - g_SlInternalSpawnCB.SpawnEntries[i].pNext = NULL; - - sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); - - - /* here we ready to execute entries */ - - while (TRUE) - { - sl_SyncObjWait(&g_SlInternalSpawnCB.SyncObj,SL_OS_WAIT_FOREVER); - /* go over all entries that already waiting for execution */ - LastEntry = FALSE; - do - { - /* get entry to execute */ - sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER); - - pEntry = g_SlInternalSpawnCB.pWaitForExe; - if ( NULL == pEntry ) - { - sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); - break; - } - g_SlInternalSpawnCB.pWaitForExe = pEntry->pNext; - if (pEntry == g_SlInternalSpawnCB.pLastInWaitList) - { - g_SlInternalSpawnCB.pLastInWaitList = NULL; - LastEntry = TRUE; - } - - sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); - - - /* pEntry could be null in case that the sync was already set by some - of the entries during execution of earlier entry */ - if (NULL != pEntry) - { - pEntry->pEntry(pEntry->pValue); - /* free the entry */ - sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER); - - pEntry->pNext = g_SlInternalSpawnCB.pFree; - g_SlInternalSpawnCB.pFree = pEntry; - - - if (NULL != g_SlInternalSpawnCB.pWaitForExe) - { - /* new entry received meanwhile */ - LastEntry = FALSE; - } - - sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); - - } - - }while (!LastEntry); - } -} - - -_i16 _SlInternalSpawn(_SlSpawnEntryFunc_t pEntry , void* pValue , _u32 flags) -{ - _i16 Res = 0; - _SlInternalSpawnEntry_t* pSpawnEntry; - - if (NULL == pEntry) - { - Res = -1; - } - else - { - sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER); - - pSpawnEntry = g_SlInternalSpawnCB.pFree; - g_SlInternalSpawnCB.pFree = pSpawnEntry->pNext; - - pSpawnEntry->pEntry = pEntry; - pSpawnEntry->pValue = pValue; - pSpawnEntry->pNext = NULL; - - if (NULL == g_SlInternalSpawnCB.pWaitForExe) - { - g_SlInternalSpawnCB.pWaitForExe = pSpawnEntry; - g_SlInternalSpawnCB.pLastInWaitList = pSpawnEntry; - } - else - { - g_SlInternalSpawnCB.pLastInWaitList->pNext = pSpawnEntry; - g_SlInternalSpawnCB.pLastInWaitList = pSpawnEntry; - } - - sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); - /* this sync is called after releasing the lock object to avoid unnecessary context switches */ - sl_SyncObjSignal(&g_SlInternalSpawnCB.SyncObj); - } - - return Res; -} - - - - - -#endif |