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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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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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258
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11 ngx_uint_t ngx_pagesize;
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12 ngx_uint_t ngx_pagesize_shift;
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138
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13 ngx_uint_t ngx_cacheline_size;
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0
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14
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15
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50
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16 void *
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17 ngx_alloc(size_t size, ngx_log_t *log)
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0
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18 {
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19 void *p;
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20
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50
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21 p = malloc(size);
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22 if (p == NULL) {
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0
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23 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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10
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24 "malloc() %uz bytes failed", size);
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0
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25 }
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26
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10
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27 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size);
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0
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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
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50
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33 void *
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34 ngx_calloc(size_t size, ngx_log_t *log)
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0
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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
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18
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48 #if (NGX_HAVE_POSIX_MEMALIGN)
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0
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49
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50
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50 void *
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51 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
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0
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52 {
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53 void *p;
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504
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54 int err;
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0
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55
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504
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56 err = posix_memalign(&p, alignment, size);
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57
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58 if (err) {
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59 ngx_log_error(NGX_LOG_EMERG, log, err,
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10
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60 "posix_memalign() %uz bytes aligned to %uz failed",
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61 size, alignment);
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504
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62 p = NULL;
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0
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63 }
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64
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65 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
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10
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66 "posix_memalign: %p:%uz", p, size);
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0
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67
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68 return p;
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69 }
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70
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18
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71 #elif (NGX_HAVE_MEMALIGN)
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0
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72
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50
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73 void *
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74 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
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0
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75 {
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76 void *p;
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77
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50
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78 p = memalign(alignment, size);
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79 if (p == NULL) {
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0
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80 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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10
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81 "memalign() %uz bytes aligned to %uz failed",
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82 size, alignment);
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0
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83 }
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84
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85 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
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10
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86 "memalign: %p:%uz", p, size);
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0
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87
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88 return p;
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89 }
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90
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91 #endif
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