1
2 /*
3 * Copyright (C) Igor Sysoev
4 * Copyright (C) Nginx, Inc.
5 */
6
7
8 #include <ngx_config.h>
9 #include <ngx_core.h>
10
11
12 ngx_uint_t ngx_pagesize;
13 ngx_uint_t ngx_pagesize_shift;
14 ngx_uint_t ngx_cacheline_size;
15
16
17 void *
ngx_alloc(size_t size,ngx_log_t * log)18 ngx_alloc(size_t size, ngx_log_t *log)
19 {
20 void *p;
21
22 p = malloc(size);
23 if (p == NULL) {
24 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
25 "malloc(%uz) failed", size);
26 }
27
28 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size);
29
30 return p;
31 }
32
33
34 void *
ngx_calloc(size_t size,ngx_log_t * log)35 ngx_calloc(size_t size, ngx_log_t *log)
36 {
37 void *p;
38
39 p = ngx_alloc(size, log);
40
41 if (p) {
42 ngx_memzero(p, size);
43 }
44
45 return p;
46 }
47
48
49 #if (NGX_HAVE_POSIX_MEMALIGN)
50
51 void *
ngx_memalign(size_t alignment,size_t size,ngx_log_t * log)52 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
53 {
54 void *p;
55 int err;
56
57 err = posix_memalign(&p, alignment, size);
58
59 if (err) {
60 ngx_log_error(NGX_LOG_EMERG, log, err,
61 "posix_memalign(%uz, %uz) failed", alignment, size);
62 p = NULL;
63 }
64
65 ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0,
66 "posix_memalign: %p:%uz @%uz", p, size, alignment);
67
68 return p;
69 }
70
71 #elif (NGX_HAVE_MEMALIGN)
72
73 void *
ngx_memalign(size_t alignment,size_t size,ngx_log_t * log)74 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
75 {
76 void *p;
77
78 p = memalign(alignment, size);
79 if (p == NULL) {
80 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
81 "memalign(%uz, %uz) failed", alignment, size);
82 }
83
84 ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0,
85 "memalign: %p:%uz @%uz", p, size, alignment);
86
87 return p;
88 }
89
90 #endif
91