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Fix initialized memory. Count the number of failures in shm-closing

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functions and return it.


vio/viosocket.c:
  Initialize the return code and set it according to errors in the closing 
  functions.
This commit is contained in:
unknown 2006-09-08 11:39:03 -04:00
parent 12eb42acf9
commit e44a923254
1 changed files with 27 additions and 2 deletions
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29
vio/viosocket.c
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@ -545,9 +545,13 @@ int vio_write_shared_memory(Vio * vio, const gptr buf, int size)
}
/**
Close shared memory and DBUG_PRINT any errors that happen on closing.
@return Zero if all closing functions succeed, and nonzero otherwise.
*/
int vio_close_shared_memory(Vio * vio)
{
int r;
int error_count= 0;
DBUG_ENTER("vio_close_shared_memory");
if (vio->type != VIO_CLOSED)
{
@ -561,23 +565,44 @@ int vio_close_shared_memory(Vio * vio)
result if they are success.
*/
if (UnmapViewOfFile(vio->handle_map) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("UnmapViewOfFile() failed"));
}
if (CloseHandle(vio->event_server_wrote) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("CloseHandle(vio->esw) failed"));
}
if (CloseHandle(vio->event_server_read) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("CloseHandle(vio->esr) failed"));
}
if (CloseHandle(vio->event_client_wrote) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("CloseHandle(vio->ecw) failed"));
}
if (CloseHandle(vio->event_client_read) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("CloseHandle(vio->ecr) failed"));
}
if (CloseHandle(vio->handle_file_map) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("CloseHandle(vio->hfm) failed"));
}
if (CloseHandle(vio->event_conn_closed) == 0)
{
error_count++;
DBUG_PRINT("vio_error", ("CloseHandle(vio->ecc) failed"));
}
}
vio->type= VIO_CLOSED;
vio->sd= -1;
DBUG_RETURN(!r);
DBUG_RETURN(error_count);
}
#endif /* HAVE_SMEM */
#endif /* __WIN__ */