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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef PLARENAS_H | |
| 7 #define PLARENAS_H | |
| 8 | |
| 9 PR_BEGIN_EXTERN_C | |
| 10 | |
| 11 typedef struct PLArenaPool PLArenaPool; | |
| 12 | |
| 13 /* | |
| 14 ** Initialize an arena pool with the given name for debugging and metering, | |
| 15 ** with a minimum gross size per arena of size bytes. The net size per arena | |
| 16 ** is smaller than the gross size by a header of four pointers plus any | |
| 17 ** necessary padding for alignment. | |
| 18 ** | |
| 19 ** Note: choose a gross size that's a power of two to avoid the heap allocator | |
| 20 ** rounding the size up. | |
| 21 **/ | |
| 22 PR_EXTERN(void) PL_InitArenaPool( | |
| 23 PLArenaPool *pool, const char *name, PRUint32 size, PRUint32 align); | |
| 24 | |
| 25 /* | |
| 26 ** Finish using arenas, freeing all memory associated with them. | |
| 27 **/ | |
| 28 PR_EXTERN(void) PL_ArenaFinish(void); | |
| 29 | |
| 30 /* | |
| 31 ** Free the arenas in pool. The user may continue to allocate from pool | |
| 32 ** after calling this function. There is no need to call PL_InitArenaPool() | |
| 33 ** again unless PL_FinishArenaPool(pool) has been called. | |
| 34 **/ | |
| 35 PR_EXTERN(void) PL_FreeArenaPool(PLArenaPool *pool); | |
| 36 | |
| 37 /* | |
| 38 ** Free the arenas in pool and finish using it altogether. | |
| 39 **/ | |
| 40 PR_EXTERN(void) PL_FinishArenaPool(PLArenaPool *pool); | |
| 41 | |
| 42 /* | |
| 43 ** Compact all of the arenas in a pool so that no space is wasted. | |
| 44 ** NOT IMPLEMENTED. Do not use. | |
| 45 **/ | |
| 46 PR_EXTERN(void) PL_CompactArenaPool(PLArenaPool *pool); | |
| 47 | |
| 48 /* | |
| 49 ** Friend functions used by the PL_ARENA_*() macros. | |
| 50 **/ | |
| 51 PR_EXTERN(void *) PL_ArenaAllocate(PLArenaPool *pool, PRUint32 nb); | |
| 52 | |
| 53 PR_EXTERN(void *) PL_ArenaGrow( | |
| 54 PLArenaPool *pool, void *p, PRUint32 size, PRUint32 incr); | |
| 55 | |
| 56 PR_EXTERN(void) PL_ArenaRelease(PLArenaPool *pool, char *mark); | |
| 57 | |
| 58 /* | |
| 59 ** memset contents of all arenas in pool to pattern | |
| 60 */ | |
| 61 PR_EXTERN(void) PL_ClearArenaPool(PLArenaPool *pool, PRInt32 pattern); | |
| 62 | |
| 63 PR_END_EXTERN_C | |
| 64 | |
| 65 #endif /* PLARENAS_H */ | |
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Chromium Code Reviews
Issue 14249009:
Change the NSS and NSPR source tree to the new directory structure to be (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/nss/