release/src/router/apcupsd/src/win32/background.c

   1 #include "windows.h"
   2
   3 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
   4          PSTR szCmdLine, int iCmdShow)
   5 {
   6    PROCESS_INFORMATION procinfo;
   7    STARTUPINFOA startinfo;
   8    BOOL rc;
   9
  10    if (*szCmdLine == '\0')
  11    {
  12       MessageBox(NULL, "Usage: background.exe <command>", "Invalid usage!", MB_ICONSTOP);
  13       return 1;
  14    }
  15
  16    /* Init the STARTUPINFOA struct. */
  17    memset(&startinfo, 0, sizeof(startinfo));
  18    startinfo.cb = sizeof(startinfo);
  19
  20    rc = CreateProcess(NULL,
  21                       szCmdLine,        // command line
  22                       NULL,             // process security attributes
  23                       NULL,             // primary thread security attributes
  24                       TRUE,             // handles are inherited
  25                       DETACHED_PROCESS, // creation flags
  26                       NULL,             // use parent's environment
  27                       NULL,             // use parent's current directory
  28                       &startinfo,       // STARTUPINFO pointer
  29                       &procinfo);       // receives PROCESS_INFORMATION
  30    if (!rc)
  31    {
  32       MessageBox(NULL, szCmdLine, "Failed to launch command!", MB_ICONSTOP);
  33       return 1;
  34    }
  35
  36    // Cleanup handles
  37    CloseHandle(procinfo.hProcess);
  38    CloseHandle(procinfo.hThread);
  39
  40    ExitProcess(0);
  41 }