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comparison src/os/win32/ngx_shmem.c @ 2945:87da6664fb49 stable-0.7

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merge r2897, r2898, r2899, r2901, r2902, r2904, r2905, r2906, r2907, r2909, r2910, r2922, r2923, r2924, r2925, r2929: various win32 fixes: *) use no-threads for Unix builds only *) Win32 returns ERROR_PATH_NOT_FOUND instead of ERROR_FILE_NOT_FOUND *) add trailing zero to a file name in ngx_win32_rename_file() *) fix logging in ngx_win32_rename_file() *) allow shared memory segments more than 4G *) fix memory leak in successful case *) log shared memory name in failure case *) test that zone has the same addresses in different processes *) add drive letter for Win32 root path *) log GetExitCodeProcess()'s errno *) test premature process termination *) fix debug logging *) exit if no workers could not be started *) do not quit old workers if no new workers could not be started *) a signaller process should stop configuration processing just after it is able to get pid file, this allows to not open log files, etc. *) win32 master process had aready closed listening sockets
author Igor Sysoev <igor@sysoev.ru>
date Mon, 15 Jun 2009 09:48:15 +0000
parents d52cf82d0d77
children
comparison
equal deleted inserted replaced
2944:f892042956e3 2945:87da6664fb49
9 9
10 10
11 ngx_int_t 11 ngx_int_t
12 ngx_shm_alloc(ngx_shm_t *shm) 12 ngx_shm_alloc(ngx_shm_t *shm)
13 { 13 {
14 u_char *name; 14 u_char *name;
15 uint64_t size;
15 16
16 name = ngx_alloc(shm->name.len + 2 + sizeof(NGX_INT32_LEN), shm->log); 17 name = ngx_alloc(shm->name.len + 2 + sizeof(NGX_INT32_LEN), shm->log);
17 if (name == NULL) { 18 if (name == NULL) {
18 return NGX_ERROR; 19 return NGX_ERROR;
19 } 20 }
20 21
21 ngx_sprintf(name, "%V_%s%Z", &shm->name, ngx_unique); 22 (void) ngx_sprintf(name, "%V_%s%Z", &shm->name, ngx_unique);
22 23
23 ngx_set_errno(0); 24 ngx_set_errno(0);
24 25
26 size = shm->size;
27
25 shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 28 shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
26 0, shm->size, (char *) name); 29 (u_long) (size >> 32),
30 (u_long) (size & 0xffffffff),
31 (char *) name);
27 32
28 if (shm->handle == NULL) { 33 if (shm->handle == NULL) {
29 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, 34 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
30 "CreateFileMapping(%uz, %s) failed", 35 "CreateFileMapping(%uz, %s) failed",
31 shm->size, shm->name.data); 36 shm->size, name);
32 goto failed; 37 ngx_free(name);
38
39 return NGX_ERROR;
33 } 40 }
41
42 ngx_free(name);
34 43
35 if (ngx_errno == ERROR_ALREADY_EXISTS) { 44 if (ngx_errno == ERROR_ALREADY_EXISTS) {
36 shm->exists = 1; 45 shm->exists = 1;
37 } 46 }
38 47
41 if (shm->addr != NULL) { 50 if (shm->addr != NULL) {
42 return NGX_OK; 51 return NGX_OK;
43 } 52 }
44 53
45 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, 54 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
46 "MapViewOfFile(%uz) failed", shm->size); 55 "MapViewOfFile(%uz) of file mapping \"%V\" failed",
56 shm->size, &shm->name);
47 57
48 if (CloseHandle(shm->handle) == 0) { 58 if (CloseHandle(shm->handle) == 0) {
49 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, 59 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
50 "CloseHandle() failed"); 60 "CloseHandle() of file mapping \"%V\" failed",
61 &shm->name);
51 } 62 }
52
53 failed:
54
55 ngx_free(name);
56 63
57 return NGX_ERROR; 64 return NGX_ERROR;
58 } 65 }
59 66
60 67
61 void 68 void
62 ngx_shm_free(ngx_shm_t *shm) 69 ngx_shm_free(ngx_shm_t *shm)
63 { 70 {
64 if (UnmapViewOfFile(shm->addr) == 0) { 71 if (UnmapViewOfFile(shm->addr) == 0) {
65 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, 72 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
66 "UnmapViewOfFile(%p) failed", shm->addr); 73 "UnmapViewOfFile(%p) of file mapping \"%V\" failed",
74 shm->addr, &shm->name);
67 } 75 }
68 76
69 if (CloseHandle(shm->handle) == 0) { 77 if (CloseHandle(shm->handle) == 0) {
70 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, 78 ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
71 "CloseHandle() failed"); 79 "CloseHandle() of file mapping \"%V\" failed",
80 &shm->name);
72 } 81 }
73 } 82 }