Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_service.c @ 9039:8880fe0b193c
Win32: reworked ngx_win32_rename_file() to check errors.
Previously, ngx_win32_rename_file() retried on all errors returned by
MoveFile() to a temporary name. It only make sense, however, to retry
when the destination file already exists, similarly to the condition
when ngx_win32_rename_file() is called. Retrying on other errors is
meaningless and might result in an infinite loop.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 23 Feb 2023 20:49:50 +0300 |
parents | a1caf3989b49 |
children |
rev | line source |
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441
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1 |
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2 /* |
444
42d11f017717
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
220
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8 |
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9 #define NGX_SERVICE_CONTROL_SHUTDOWN 128 |
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10 #define NGX_SERVICE_CONTROL_REOPEN 129 |
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11 |
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12 |
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13 SERVICE_TABLE_ENTRY st[] = { |
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nginx-0.0.1-2004-01-08-11:47:17 import
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14 { "nginx", service_main }, |
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15 { NULL, NULL } |
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16 }; |
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17 |
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18 |
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19 ngx_int_t |
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20 ngx_service(ngx_log_t *log) |
220
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21 { |
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22 /* primary thread */ |
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23 |
4499
778ef9c3fd2d
Fixed spelling in single-line comments.
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24 /* StartServiceCtrlDispatcher() should be called within 30 seconds */ |
220
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25 |
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26 if (StartServiceCtrlDispatcher(st) == 0) { |
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27 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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28 "StartServiceCtrlDispatcher() failed"); |
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29 return NGX_ERROR; |
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30 } |
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31 |
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32 return NGX_OK; |
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33 } |
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34 |
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35 |
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36 void |
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37 service_main(u_int argc, char **argv) |
220
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38 { |
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39 SERVICE_STATUS status; |
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40 SERVICE_STATUS_HANDLE service; |
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41 |
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42 /* thread spawned by SCM */ |
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43 |
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44 service = RegisterServiceCtrlHandlerEx("nginx", service_handler, ctx); |
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45 if (service == INVALID_HANDLE_VALUE) { |
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46 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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47 "RegisterServiceCtrlHandlerEx() failed"); |
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48 return; |
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49 } |
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50 |
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51 status.dwServiceType = SERVICE_WIN32_OWN_PROCESS; |
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52 status.dwCurrentState = SERVICE_START_PENDING; |
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53 status.dwControlsAccepted = SERVICE_ACCEPT_STOP |
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54 |SERVICE_ACCEPT_PARAMCHANGE; |
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55 status.dwWin32ExitCode = NO_ERROR; |
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56 status.dwServiceSpecificExitCode = 0; |
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57 status.dwCheckPoint = 1; |
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58 status.dwWaitHint = 2000; |
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59 |
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60 /* SetServiceStatus() should be called within 80 seconds */ |
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61 |
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62 if (SetServiceStatus(service, &status) == 0) { |
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63 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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64 "SetServiceStatus() failed"); |
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65 return; |
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66 } |
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67 |
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68 /* init */ |
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69 |
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70 status.dwCurrentState = SERVICE_RUNNING; |
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71 status.dwCheckPoint = 0; |
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72 status.dwWaitHint = 0; |
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73 |
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74 if (SetServiceStatus(service, &status) == 0) { |
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75 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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76 "SetServiceStatus() failed"); |
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77 return; |
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78 } |
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79 |
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80 /* call master or worker loop */ |
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81 |
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82 /* |
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83 * master should use event notification and look status |
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84 * single should use iocp to get notifications from service handler |
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85 */ |
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86 |
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87 } |
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88 |
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89 |
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90 u_int |
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91 service_handler(u_int control, u_int type, void *data, void *ctx) |
220
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92 { |
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93 /* primary thread */ |
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94 |
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95 switch (control) { |
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96 |
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97 case SERVICE_CONTROL_INTERROGATE: |
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98 status = NGX_IOCP_INTERROGATE; |
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99 break; |
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100 |
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101 case SERVICE_CONTROL_STOP: |
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102 status = NGX_IOCP_STOP; |
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103 break; |
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104 |
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105 case SERVICE_CONTROL_PARAMCHANGE: |
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106 status = NGX_IOCP_RECONFIGURE; |
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nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 break; |
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nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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109 case NGX_SERVICE_CONTROL_SHUTDOWN: |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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110 status = NGX_IOCP_REOPEN; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 break; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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113 case NGX_SERVICE_CONTROL_REOPEN: |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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114 status = NGX_IOCP_REOPEN; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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115 break; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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117 default: |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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118 return ERROR_CALL_NOT_IMPLEMENTED; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 } |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 if (ngx_single) { |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 if (PostQueuedCompletionStatus(iocp, ... status, ...) == 0) { |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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123 err = ngx_errno; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
124 ngx_log_error(NGX_LOG_ALERT, log, err, |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 "PostQueuedCompletionStatus() failed"); |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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126 return err; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 } |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 } else { |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 Event |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 } |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 return NO_ERROR; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 } |