Mercurial > hg > nginx
annotate src/os/win32/ngx_shmem.c @ 2716:d5896f6608e8
move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 16 Apr 2009 19:25:09 +0000 |
| parents | 5dac8c7fb71b |
| children | b3b8c66bd520 |
| rev | line source |
|---|---|
| 605 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 | |
| 10 | |
| 11 ngx_int_t | |
| 12 ngx_shm_alloc(ngx_shm_t *shm) | |
| 13 { | |
| 14 shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, | |
|
2716
d5896f6608e8
move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
605
diff
changeset
|
15 0, shm->size, (char *) shm->name.data); |
| 605 | 16 |
| 17 if (shm->handle == NULL) { | |
| 18 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
|
2716
d5896f6608e8
move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
605
diff
changeset
|
19 "CreateFileMapping(%uz, %s) failed", |
|
d5896f6608e8
move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
605
diff
changeset
|
20 shm->size, shm->name.data); |
| 605 | 21 return NGX_ERROR; |
| 22 } | |
| 23 | |
| 24 shm->addr = MapViewOfFile(shm->handle, FILE_MAP_WRITE, 0, 0, 0); | |
| 25 | |
| 26 if (shm->addr == NULL) { | |
| 27 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
| 28 "MapViewOfFile(%uz) failed", shm->size); | |
| 29 | |
| 30 if (CloseHandle(shm->handle) == 0) { | |
| 31 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
| 32 "CloseHandle() failed"); | |
| 33 } | |
| 34 | |
| 35 return NGX_ERROR; | |
| 36 } | |
| 37 | |
| 38 return NGX_OK; | |
| 39 } | |
| 40 | |
| 41 | |
| 42 void | |
| 43 ngx_shm_free(ngx_shm_t *shm) | |
| 44 { | |
| 45 if (UnmapViewOfFile(shm->addr) == 0) { | |
| 46 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
| 47 "UnmapViewOfFile(%p) failed", shm->addr); | |
| 48 } | |
| 49 | |
| 50 if (CloseHandle(shm->handle) == 0) { | |
| 51 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, | |
| 52 "CloseHandle() failed"); | |
| 53 } | |
| 54 } |