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			103 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* Copyright (C) 2004 MySQL AB
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| 
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|    This program is free software; you can redistribute it and/or modify
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|    it under the terms of the GNU General Public License as published by
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|    the Free Software Foundation; version 2 of the License.
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| 
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|    This program is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|    GNU General Public License for more details.
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| 
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|    You should have received a copy of the GNU General Public License
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|    along with this program; if not, write to the Free Software
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|    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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| 
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| 
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| /*
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|   Utility program used to signal a safe_process it's time to shutdown
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| 
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|   Usage:
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|     safe_kill <pid>
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| */
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| 
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| #include <windows.h>
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| #include <stdio.h>
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| #include <signal.h>
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| #include <stdlib.h>
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| 
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| int main(int argc, const char** argv )
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| {
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|   DWORD pid= -1;
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|   HANDLE shutdown_event;
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|   char safe_process_name[32]= {0};
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|   int retry_open_event= 2;
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|   /* Ignore any signals */
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|   signal(SIGINT,   SIG_IGN);
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|   signal(SIGBREAK, SIG_IGN);
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|   signal(SIGTERM,  SIG_IGN);
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| 
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|   if (argc != 2) {
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|     fprintf(stderr, "safe_kill <pid>\n");
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|     exit(2);
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|   }
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|   pid= atoi(argv[1]);
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| 
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|   _snprintf(safe_process_name, sizeof(safe_process_name),
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|             "safe_process[%d]", pid);
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| 
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|   /* Open the event to signal */
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|   while ((shutdown_event=
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|           OpenEvent(EVENT_MODIFY_STATE, FALSE, safe_process_name)) == NULL)
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|   {
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|      /*
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|       Check if the process is alive, otherwise there is really
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|       no sense to retry the open of the event
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|      */
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|     HANDLE process;
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|     DWORD exit_code;
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|     process= OpenProcess(SYNCHRONIZE| PROCESS_QUERY_INFORMATION, FALSE, pid);
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|     if (!process)
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|     {
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|       /* Already died */
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|       exit(1);
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|     }
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| 
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|     if (!GetExitCodeProcess(process,&exit_code))
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|     {
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|        fprintf(stderr,  "GetExitCodeProcess failed, pid= %d, err= %d\n",
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|          pid, GetLastError());
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|        exit(1);
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|     }
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| 
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|     if (exit_code != STILL_ACTIVE)
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|     {
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|        /* Already died */
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|        CloseHandle(process);
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|        exit(2);
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|     }
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| 
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|     CloseHandle(process);
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| 
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|     if (retry_open_event--)
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|       Sleep(100);
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|     else
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|     {
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|       fprintf(stderr, "Failed to open shutdown_event '%s', error: %d\n",
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|               safe_process_name, GetLastError());
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|       exit(3);
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|     }
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|   }
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| 
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|   if(SetEvent(shutdown_event) == 0)
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|   {
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|     fprintf(stderr, "Failed to signal shutdown_event '%s', error: %d\n",
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|             safe_process_name, GetLastError());
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|     CloseHandle(shutdown_event);
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|     exit(4);
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|   }
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|   CloseHandle(shutdown_event);
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|   exit(0);
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| }
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| 
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