Mercurial > hg > nginx
annotate src/os/unix/ngx_alloc.c @ 1937:c46432b9dbb7
fix case when errors are not cached,
and a file was not used often enough to keep open
and it has been removed before it was kept open
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 13 Mar 2008 12:59:25 +0000 |
parents | 201d017ea470 |
children | d4ad1b0b6c8d |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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10 |
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11 ngx_uint_t ngx_pagesize; |
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12 ngx_uint_t ngx_pagesize_shift; |
589 | 13 ngx_uint_t ngx_cacheline_size; |
346
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14 |
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15 |
501 | 16 void * |
17 ngx_alloc(size_t size, ngx_log_t *log) | |
346
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18 { |
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19 void *p; |
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20 |
501 | 21 p = malloc(size); |
22 if (p == NULL) { | |
346
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23 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
461 | 24 "malloc() %uz bytes failed", size); |
346
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25 } |
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26 |
461 | 27 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size); |
346
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28 |
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29 return p; |
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30 } |
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31 |
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32 |
501 | 33 void * |
34 ngx_calloc(size_t size, ngx_log_t *log) | |
346
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35 { |
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36 void *p; |
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37 |
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38 p = ngx_alloc(size, log); |
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39 |
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40 if (p) { |
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41 ngx_memzero(p, size); |
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42 } |
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43 |
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44 return p; |
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45 } |
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46 |
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47 |
469 | 48 #if (NGX_HAVE_POSIX_MEMALIGN) |
346
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49 |
501 | 50 void * |
51 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
346
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52 { |
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53 void *p; |
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54 |
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55 if (posix_memalign(&p, alignment, size) == -1) { |
346
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56 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
461 | 57 "posix_memalign() %uz bytes aligned to %uz failed", |
58 size, alignment); | |
346
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59 } |
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60 |
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61 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, |
461 | 62 "posix_memalign: %p:%uz", p, size); |
346
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63 |
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64 return p; |
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65 } |
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66 |
469 | 67 #elif (NGX_HAVE_MEMALIGN) |
346
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68 |
501 | 69 void * |
70 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
346
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71 { |
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72 void *p; |
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73 |
501 | 74 p = memalign(alignment, size); |
75 if (p == NULL) { | |
346
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76 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
461 | 77 "memalign() %uz bytes aligned to %uz failed", |
78 size, alignment); | |
346
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79 } |
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80 |
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81 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, |
461 | 82 "memalign: %p:%uz", p, size); |
346
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83 |
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84 return p; |
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85 } |
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86 |
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87 #endif |