Mercurial > trustbridge > nss-cmake-static
comparison nspr/pr/src/memory/prseg.c @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
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| date | Mon, 28 Jul 2014 10:47:06 +0200 |
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| -1:000000000000 | 0:1e5118fa0cb1 |
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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 #include "primpl.h" | |
| 7 | |
| 8 #if defined(_PR_PTHREADS) | |
| 9 | |
| 10 /* | |
| 11 ** The pthreads version doesn't use these functions. | |
| 12 */ | |
| 13 void _PR_InitSegs(void) | |
| 14 { | |
| 15 } | |
| 16 | |
| 17 #else /* _PR_PTHREADS */ | |
| 18 | |
| 19 void _PR_InitSegs(void) | |
| 20 { | |
| 21 _PR_MD_INIT_SEGS(); | |
| 22 } | |
| 23 | |
| 24 /* | |
| 25 ** Allocate a memory segment. The size value is rounded up to the native | |
| 26 ** system page size and a page aligned portion of memory is returned. | |
| 27 ** This memory is not part of the malloc heap. If "vaddr" is not NULL | |
| 28 ** then PR tries to allocate the segment at the desired virtual address. | |
| 29 */ | |
| 30 PRSegment* _PR_NewSegment(PRUint32 size, void *vaddr) | |
| 31 { | |
| 32 PRSegment *seg; | |
| 33 | |
| 34 /* calloc the data structure for the segment */ | |
| 35 seg = PR_NEWZAP(PRSegment); | |
| 36 | |
| 37 if (seg) { | |
| 38 size = ((size + _pr_pageSize - 1) >> _pr_pageShift) << _pr_pageShift; | |
| 39 /* | |
| 40 ** Now, allocate the actual segment memory (or map under some OS) | |
| 41 ** The OS specific code decides from where or how to allocate memory. | |
| 42 */ | |
| 43 if (_PR_MD_ALLOC_SEGMENT(seg, size, vaddr) != PR_SUCCESS) { | |
| 44 PR_DELETE(seg); | |
| 45 return NULL; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 return seg; | |
| 50 } | |
| 51 | |
| 52 /* | |
| 53 ** Free a memory segment. | |
| 54 */ | |
| 55 void _PR_DestroySegment(PRSegment *seg) | |
| 56 { | |
| 57 _PR_MD_FREE_SEGMENT(seg); | |
| 58 PR_DELETE(seg); | |
| 59 } | |
| 60 | |
| 61 #endif /* _PR_PTHREADS */ |