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annotate 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
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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11 /*
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12 * TODO:
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13 * maping name or inheritable handle
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14 */
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16 ngx_int_t
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17 ngx_shm_alloc(ngx_shm_t *shm)
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18 {
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19 shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
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20 0, shm->size, NULL);
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22 if (shm->handle == NULL) {
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23 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
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24 "CreateFileMapping(%uz) failed", shm->size);
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25 return NGX_ERROR;
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26 }
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28 shm->addr = MapViewOfFile(shm->handle, FILE_MAP_WRITE, 0, 0, 0);
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30 if (shm->addr == NULL) {
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31 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
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32 "MapViewOfFile(%uz) failed", shm->size);
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33
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34 if (CloseHandle(shm->handle) == 0) {
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35 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
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36 "CloseHandle() failed");
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37 }
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38
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39 return NGX_ERROR;
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40 }
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42 return NGX_OK;
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43 }
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46 void
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47 ngx_shm_free(ngx_shm_t *shm)
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48 {
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49 if (UnmapViewOfFile(shm->addr) == 0) {
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50 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
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51 "UnmapViewOfFile(%p) failed", shm->addr);
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52 }
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53
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54 if (CloseHandle(shm->handle) == 0) {
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55 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
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56 "CloseHandle() failed");
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57 }
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58 }