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Overview
Comment: | Revise mutex handling by the sqlite3_win32_reset_heap() function. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
eacb3b7baa910e84f984b8e45695a2a2 |
User & Date: | mistachkin 2014-12-10 17:34:48.091 |
Context
2014-12-10
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20:29 | Add new test file e_walhook.test. (check-in: 2eb6d3e4fb user: dan tags: trunk) | |
17:34 | Revise mutex handling by the sqlite3_win32_reset_heap() function. (check-in: eacb3b7baa user: mistachkin tags: trunk) | |
04:58 | Fix typos in the documentation for sqlite3_table_column_metadata(). No changes to code. (check-in: 3528f8dd39 user: drh tags: trunk) | |
Changes
Changes to src/os_win.c.
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1199 1200 1201 1202 1203 1204 1205 | ** the sqlite3_memory_used() function does not return zero, SQLITE_BUSY will ** be returned and no changes will be made to the Win32 native heap. */ int sqlite3_win32_reset_heap(){ int rc; MUTEX_LOGIC( sqlite3_mutex *pMaster; ) /* The main static mutex */ MUTEX_LOGIC( sqlite3_mutex *pMem; ) /* The memsys static mutex */ | | | | 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 | ** the sqlite3_memory_used() function does not return zero, SQLITE_BUSY will ** be returned and no changes will be made to the Win32 native heap. */ int sqlite3_win32_reset_heap(){ int rc; MUTEX_LOGIC( sqlite3_mutex *pMaster; ) /* The main static mutex */ MUTEX_LOGIC( sqlite3_mutex *pMem; ) /* The memsys static mutex */ MUTEX_LOGIC( pMaster = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER); ) MUTEX_LOGIC( pMem = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MEM); ) sqlite3_mutex_enter(pMaster); sqlite3_mutex_enter(pMem); winMemAssertMagic(); if( winMemGetHeap()!=NULL && winMemGetOwned() && sqlite3_memory_used()==0 ){ /* ** At this point, there should be no outstanding memory allocations on ** the heap. Also, since both the master and memsys locks are currently |
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