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annotate src/os/unix/ngx_alloc.c @ 1796:3e2a58fb48f1 release-0.6.24

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nginx-0.6.24-RELEASE
author Igor Sysoev <igor@sysoev.ru>
date Thu, 27 Dec 2007 18:43:53 +0000
parents 201d017ea470
children d4ad1b0b6c8d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 347
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 347
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2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 347
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 347
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5
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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6
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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7 #include <ngx_config.h>
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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8 #include <ngx_core.h>
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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9
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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10
860
201d017ea470 slab allocator in shared memory
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11 ngx_uint_t ngx_pagesize;
201d017ea470 slab allocator in shared memory
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12 ngx_uint_t ngx_pagesize_shift;
589
d4e858a5751a nginx-0.3.16-RELEASE import
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13 ngx_uint_t ngx_cacheline_size;
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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14
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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15
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d4ea69372b94 nginx-0.1.25-RELEASE import
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16 void *
d4ea69372b94 nginx-0.1.25-RELEASE import
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17 ngx_alloc(size_t size, ngx_log_t *log)
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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18 {
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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19 void *p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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20
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d4ea69372b94 nginx-0.1.25-RELEASE import
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21 p = malloc(size);
d4ea69372b94 nginx-0.1.25-RELEASE import
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22 if (p == NULL) {
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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23 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
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24 "malloc() %uz bytes failed", size);
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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25 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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26
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a88a3e4e158f nginx-0.1.5-RELEASE import
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27 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size);
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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28
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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29 return p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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30 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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31
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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32
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d4ea69372b94 nginx-0.1.25-RELEASE import
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33 void *
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34 ngx_calloc(size_t size, ngx_log_t *log)
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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35 {
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36 void *p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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37
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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38 p = ngx_alloc(size, log);
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39
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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40 if (p) {
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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41 ngx_memzero(p, size);
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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42 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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43
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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44 return p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
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45 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
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46
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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47
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
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48 #if (NGX_HAVE_POSIX_MEMALIGN)
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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49
501
d4ea69372b94 nginx-0.1.25-RELEASE import
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50 void *
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51 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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52 {
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
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53 void *p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
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54
347
f48d579daf78 nginx-0.0.3-2004-06-08-20:26:37 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
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55 if (posix_memalign(&p, alignment, size) == -1) {
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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parents:
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56 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
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parents: 444
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57 "posix_memalign() %uz bytes aligned to %uz failed",
a88a3e4e158f nginx-0.1.5-RELEASE import
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58 size, alignment);
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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59 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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60
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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61 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
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62 "posix_memalign: %p:%uz", p, size);
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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63
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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64 return p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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65 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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66
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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67 #elif (NGX_HAVE_MEMALIGN)
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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68
501
d4ea69372b94 nginx-0.1.25-RELEASE import
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69 void *
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70 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
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71 {
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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72 void *p;
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73
501
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74 p = memalign(alignment, size);
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75 if (p == NULL) {
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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76 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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77 "memalign() %uz bytes aligned to %uz failed",
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78 size, alignment);
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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79 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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80
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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81 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
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a88a3e4e158f nginx-0.1.5-RELEASE import
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82 "memalign: %p:%uz", p, size);
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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83
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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84 return p;
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
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85 }
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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86
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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87 #endif