Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_alloc.c @ 4448:539355d9e675 stable-1.0
Merge of r4404:
Fixed sched_setaffinity(2) to correctly pass size.
Second argument (cpusetsize) is size in bytes, not in bits. Previously
used constant 32 resulted in reading of uninitialized memory and caused
EINVAL to be returned on some Linux kernels.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sun, 05 Feb 2012 19:25:24 +0000 |
parents | 3051e512e301 |
children | d620f497c50f |
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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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; |
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14 |
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15 |
501 | 16 void * |
17 ngx_alloc(size_t size, ngx_log_t *log) | |
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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) { | |
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23 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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24 "malloc(%uz) failed", size); |
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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); |
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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) |
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49 |
501 | 50 void * |
51 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
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52 { |
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53 void *p; |
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54 int err; |
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55 |
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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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60 "posix_memalign(%uz, %uz) failed", alignment, size); |
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61 p = NULL; |
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62 } |
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63 |
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64 ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0, |
3327 | 65 "posix_memalign: %p:%uz @%uz", p, size, alignment); |
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66 |
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67 return p; |
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68 } |
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69 |
469 | 70 #elif (NGX_HAVE_MEMALIGN) |
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71 |
501 | 72 void * |
73 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
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74 { |
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75 void *p; |
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76 |
501 | 77 p = memalign(alignment, size); |
78 if (p == NULL) { | |
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79 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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80 "memalign(%uz, %uz) failed", alignment, size); |
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81 } |
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82 |
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83 ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0, |
3327 | 84 "memalign: %p:%uz @%uz", p, size, alignment); |
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85 |
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86 return p; |
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87 } |
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88 |
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89 #endif |