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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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11 int ngx_pagesize;
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12
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13
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14 void *ngx_alloc(size_t size, ngx_log_t *log)
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15 {
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16 void *p;
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17
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18 if (!(p = malloc(size))) {
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19 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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20 "malloc() " SIZE_T_FMT " bytes failed", size);
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21 }
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22
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23 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
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24 "malloc: " PTR_FMT ":" SIZE_T_FMT, p, size);
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25
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26 return p;
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27 }
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28
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29
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30 void *ngx_calloc(size_t size, ngx_log_t *log)
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31 {
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32 void *p;
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33
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34 p = ngx_alloc(size, log);
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35
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36 if (p) {
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37 ngx_memzero(p, size);
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38 }
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39
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40 return p;
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41 }
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42
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43
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44 #if (HAVE_POSIX_MEMALIGN)
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45
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46 void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
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47 {
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48 void *p;
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49
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50 if (posix_memalign(&p, alignment, size) == -1) {
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51 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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52 "posix_memalign() " SIZE_T_FMT " bytes aligned to "
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53 SIZE_T_FMT " failed", size, alignment);
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54 }
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55
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56 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
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57 "posix_memalign: " PTR_FMT ":" SIZE_T_FMT, p, size);
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58
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59 return p;
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60 }
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61
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62 #elif (HAVE_MEMALIGN)
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63
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64 void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
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65 {
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66 void *p;
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67
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68 if (!(p = memalign(alignment, size))) {
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69 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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70 "memalign() " SIZE_T_FMT " bytes aligned to "
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71 SIZE_T_FMT " failed", size, alignment);
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72 }
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73
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74 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0,
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75 "memalign: " PTR_FMT ":" SIZE_T_FMT, p, size);
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76
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77 return p;
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78 }
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79
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80 #endif
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