Mercurial > hg > nginx
annotate src/os/win32/ngx_process.c @ 7660:d33e17499088
Version bump.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 26 May 2020 22:03:00 +0300 |
| parents | 7640d6c213e1 |
| children |
| rev | line source |
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
| 2725 | 12 int ngx_argc; |
| 13 char **ngx_argv; | |
| 14 char **ngx_os_argv; | |
| 15 | |
| 16 ngx_int_t ngx_last_process; | |
| 17 ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; | |
| 452 | 18 |
| 19 | |
| 2725 | 20 ngx_pid_t |
| 21 ngx_spawn_process(ngx_cycle_t *cycle, char *name, ngx_int_t respawn) | |
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22 { |
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23 u_long rc, n, code; |
| 2725 | 24 ngx_int_t s; |
| 25 ngx_pid_t pid; | |
| 26 ngx_exec_ctx_t ctx; | |
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27 HANDLE events[2]; |
| 2725 | 28 char file[MAX_PATH + 1]; |
| 29 | |
| 30 if (respawn >= 0) { | |
| 31 s = respawn; | |
| 32 | |
| 33 } else { | |
| 34 for (s = 0; s < ngx_last_process; s++) { | |
| 35 if (ngx_processes[s].handle == NULL) { | |
| 36 break; | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 if (s == NGX_MAX_PROCESSES) { | |
| 41 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 42 "no more than %d processes can be spawned", | |
| 43 NGX_MAX_PROCESSES); | |
| 44 return NGX_INVALID_PID; | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 n = GetModuleFileName(NULL, file, MAX_PATH); | |
| 49 | |
| 50 if (n == 0) { | |
| 51 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 52 "GetModuleFileName() failed"); | |
| 53 return NGX_INVALID_PID; | |
| 54 } | |
| 55 | |
| 56 file[n] = '\0'; | |
| 57 | |
| 58 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
| 59 "GetModuleFileName: \"%s\"", file); | |
| 60 | |
| 61 ctx.path = file; | |
| 62 ctx.name = name; | |
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63 ctx.args = GetCommandLine(); |
| 2725 | 64 ctx.argv = NULL; |
| 65 ctx.envp = NULL; | |
| 66 | |
| 67 pid = ngx_execute(cycle, &ctx); | |
| 68 | |
| 69 if (pid == NGX_INVALID_PID) { | |
| 70 return pid; | |
| 71 } | |
| 72 | |
| 73 ngx_memzero(&ngx_processes[s], sizeof(ngx_process_t)); | |
| 74 | |
| 75 ngx_processes[s].handle = ctx.child; | |
| 76 ngx_processes[s].pid = pid; | |
| 77 ngx_processes[s].name = name; | |
| 78 | |
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Fixed ngx_pid_t formatting in ngx_sprintf() and logging.
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79 ngx_sprintf(ngx_processes[s].term_event, "ngx_%s_term_%P%Z", name, pid); |
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80 ngx_sprintf(ngx_processes[s].quit_event, "ngx_%s_quit_%P%Z", name, pid); |
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81 ngx_sprintf(ngx_processes[s].reopen_event, "ngx_%s_reopen_%P%Z", |
| 2725 | 82 name, pid); |
| 83 | |
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84 events[0] = ngx_master_process_event; |
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85 events[1] = ctx.child; |
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86 |
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87 rc = WaitForMultipleObjects(2, events, 0, 5000); |
| 2725 | 88 |
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89 ngx_time_update(); |
| 2725 | 90 |
| 91 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
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92 "WaitForMultipleObjects: %ul", rc); |
| 2725 | 93 |
| 94 switch (rc) { | |
| 95 | |
| 96 case WAIT_OBJECT_0: | |
| 97 | |
| 98 ngx_processes[s].term = OpenEvent(EVENT_MODIFY_STATE, 0, | |
| 99 (char *) ngx_processes[s].term_event); | |
| 100 if (ngx_processes[s].term == NULL) { | |
| 101 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 102 "OpenEvent(\"%s\") failed", | |
| 103 ngx_processes[s].term_event); | |
| 104 goto failed; | |
| 105 } | |
| 106 | |
| 107 ngx_processes[s].quit = OpenEvent(EVENT_MODIFY_STATE, 0, | |
| 108 (char *) ngx_processes[s].quit_event); | |
| 109 if (ngx_processes[s].quit == NULL) { | |
| 110 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 111 "OpenEvent(\"%s\") failed", | |
| 112 ngx_processes[s].quit_event); | |
| 113 goto failed; | |
| 114 } | |
| 115 | |
| 116 ngx_processes[s].reopen = OpenEvent(EVENT_MODIFY_STATE, 0, | |
| 117 (char *) ngx_processes[s].reopen_event); | |
| 118 if (ngx_processes[s].reopen == NULL) { | |
| 119 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 120 "OpenEvent(\"%s\") failed", | |
| 121 ngx_processes[s].reopen_event); | |
| 122 goto failed; | |
| 123 } | |
| 124 | |
| 125 if (ResetEvent(ngx_master_process_event) == 0) { | |
| 126 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 127 "ResetEvent(\"%s\") failed", | |
| 128 ngx_master_process_event_name); | |
| 129 goto failed; | |
| 130 } | |
| 131 | |
| 132 break; | |
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133 |
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134 case WAIT_OBJECT_0 + 1: |
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135 if (GetExitCodeProcess(ctx.child, &code) == 0) { |
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136 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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137 "GetExitCodeProcess(%P) failed", pid); |
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138 } |
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139 |
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140 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
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141 "%s process %P exited with code %Xl", |
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142 name, pid, code); |
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143 |
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144 goto failed; |
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145 |
| 2725 | 146 case WAIT_TIMEOUT: |
| 147 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 148 "the event \"%s\" was not signaled for 5s", | |
| 149 ngx_master_process_event_name); | |
| 150 goto failed; | |
| 151 | |
| 152 case WAIT_FAILED: | |
| 153 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 154 "WaitForSingleObject(\"%s\") failed", | |
| 155 ngx_master_process_event_name); | |
| 156 | |
| 157 goto failed; | |
| 158 } | |
| 159 | |
| 160 if (respawn >= 0) { | |
| 161 return pid; | |
| 162 } | |
| 163 | |
| 164 switch (respawn) { | |
| 165 | |
| 166 case NGX_PROCESS_RESPAWN: | |
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167 ngx_processes[s].just_spawn = 0; |
| 2725 | 168 break; |
| 169 | |
| 170 case NGX_PROCESS_JUST_RESPAWN: | |
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171 ngx_processes[s].just_spawn = 1; |
| 2725 | 172 break; |
| 173 } | |
| 174 | |
| 175 if (s == ngx_last_process) { | |
| 176 ngx_last_process++; | |
| 177 } | |
| 178 | |
| 179 return pid; | |
| 180 | |
| 181 failed: | |
| 182 | |
| 183 if (ngx_processes[s].reopen) { | |
| 184 ngx_close_handle(ngx_processes[s].reopen); | |
| 185 } | |
| 186 | |
| 187 if (ngx_processes[s].quit) { | |
| 188 ngx_close_handle(ngx_processes[s].quit); | |
| 189 } | |
| 190 | |
| 191 if (ngx_processes[s].term) { | |
| 192 ngx_close_handle(ngx_processes[s].term); | |
| 193 } | |
| 194 | |
| 195 TerminateProcess(ngx_processes[s].handle, 2); | |
| 196 | |
| 197 if (ngx_processes[s].handle) { | |
| 198 ngx_close_handle(ngx_processes[s].handle); | |
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199 ngx_processes[s].handle = NULL; |
| 2725 | 200 } |
| 201 | |
| 202 return NGX_INVALID_PID; | |
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203 } |
| 2725 | 204 |
| 205 | |
| 206 ngx_pid_t | |
| 207 ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx) | |
| 208 { | |
| 209 STARTUPINFO si; | |
| 210 PROCESS_INFORMATION pi; | |
| 211 | |
| 212 ngx_memzero(&si, sizeof(STARTUPINFO)); | |
| 213 si.cb = sizeof(STARTUPINFO); | |
| 214 | |
| 215 ngx_memzero(&pi, sizeof(PROCESS_INFORMATION)); | |
| 216 | |
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217 if (CreateProcess(ctx->path, ctx->args, |
| 2725 | 218 NULL, NULL, 0, CREATE_NO_WINDOW, NULL, NULL, &si, &pi) |
| 219 == 0) | |
| 220 { | |
| 221 ngx_log_error(NGX_LOG_CRIT, cycle->log, ngx_errno, | |
| 222 "CreateProcess(\"%s\") failed", ngx_argv[0]); | |
| 223 | |
| 224 return 0; | |
| 225 } | |
| 226 | |
| 227 ctx->child = pi.hProcess; | |
| 228 | |
| 229 if (CloseHandle(pi.hThread) == 0) { | |
| 230 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 231 "CloseHandle(pi.hThread) failed"); | |
| 232 } | |
| 233 | |
| 234 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, | |
| 235 "start %s process %P", ctx->name, pi.dwProcessId); | |
| 236 | |
| 237 return pi.dwProcessId; | |
| 238 } |