Mercurial > hg > nginx-vendor-0-6
comparison src/os/unix/ngx_alloc.c @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | 46833bd150cb |
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-1:000000000000 | 0:f0b350454894 |
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1 | |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 | |
10 | |
11 int ngx_pagesize; | |
12 | |
13 | |
14 void *ngx_alloc(size_t size, ngx_log_t *log) | |
15 { | |
16 void *p; | |
17 | |
18 if (!(p = malloc(size))) { | |
19 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, | |
20 "malloc() " SIZE_T_FMT " bytes failed", size); | |
21 } | |
22 | |
23 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, | |
24 "malloc: " PTR_FMT ":" SIZE_T_FMT, p, size); | |
25 | |
26 return p; | |
27 } | |
28 | |
29 | |
30 void *ngx_calloc(size_t size, ngx_log_t *log) | |
31 { | |
32 void *p; | |
33 | |
34 p = ngx_alloc(size, log); | |
35 | |
36 if (p) { | |
37 ngx_memzero(p, size); | |
38 } | |
39 | |
40 return p; | |
41 } | |
42 | |
43 | |
44 #if (HAVE_POSIX_MEMALIGN) | |
45 | |
46 void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
47 { | |
48 void *p; | |
49 | |
50 if (posix_memalign(&p, alignment, size) == -1) { | |
51 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, | |
52 "posix_memalign() " SIZE_T_FMT " bytes aligned to " | |
53 SIZE_T_FMT " failed", size, alignment); | |
54 } | |
55 | |
56 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, | |
57 "posix_memalign: " PTR_FMT ":" SIZE_T_FMT, p, size); | |
58 | |
59 return p; | |
60 } | |
61 | |
62 #elif (HAVE_MEMALIGN) | |
63 | |
64 void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
65 { | |
66 void *p; | |
67 | |
68 if (!(p = memalign(alignment, size))) { | |
69 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, | |
70 "memalign() " SIZE_T_FMT " bytes aligned to " | |
71 SIZE_T_FMT " failed", size, alignment); | |
72 } | |
73 | |
74 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, | |
75 "memalign: " PTR_FMT ":" SIZE_T_FMT, p, size); | |
76 | |
77 return p; | |
78 } | |
79 | |
80 #endif |