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comparison src/os/win32/ngx_shmem.c @ 605:5dac8c7fb71b release-0.3.24

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nginx-0.3.24-RELEASE import *) Workaround: for bug in FreeBSD kqueue. *) Bugfix: now a response generated by the "post_action" directive is not transferred to a client. *) Bugfix: the memory leaks were occurring if many log files were used. *) Bugfix: the first "proxy_redirect" directive was working inside one location. *) Bugfix: on 64-bit platforms segmentation fault may occurred on start if the many names were used in the "server_name" directives; the bug had appeared in 0.3.18.
author Igor Sysoev <igor@sysoev.ru>
date Wed, 01 Feb 2006 18:22:15 +0000
parents
children d5896f6608e8
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604:f4a6e8f250a8 605:5dac8c7fb71b
1
2 /*
3 * Copyright (C) Igor Sysoev
4 */
5
6
7 #include <ngx_config.h>
8 #include <ngx_core.h>
9
10
11 /*
12 * TODO:
13 * maping name or inheritable handle
14 */
15
16 ngx_int_t
17 ngx_shm_alloc(ngx_shm_t *shm)
18 {
19 shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
20 0, shm->size, NULL);
21
22 if (shm->handle == NULL) {
23 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
24 "CreateFileMapping(%uz) failed", shm->size);
25 return NGX_ERROR;
26 }
27
28 shm->addr = MapViewOfFile(shm->handle, FILE_MAP_WRITE, 0, 0, 0);
29
30 if (shm->addr == NULL) {
31 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
32 "MapViewOfFile(%uz) failed", shm->size);
33
34 if (CloseHandle(shm->handle) == 0) {
35 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
36 "CloseHandle() failed");
37 }
38
39 return NGX_ERROR;
40 }
41
42 return NGX_OK;
43 }
44
45
46 void
47 ngx_shm_free(ngx_shm_t *shm)
48 {
49 if (UnmapViewOfFile(shm->addr) == 0) {
50 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
51 "UnmapViewOfFile(%p) failed", shm->addr);
52 }
53
54 if (CloseHandle(shm->handle) == 0) {
55 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
56 "CloseHandle() failed");
57 }
58 }