Storing multiple items in C array

Question

What would be a best and simple way of storing incoming message from different processes in an array in C? I was thinking to have an array MQ but also need to store message sequence numbers and process ids for each incoming message. Thanks.

Is the question concerning how to store the data or how to do it threadsafe? — stefan
– stefan, Commented Mar 14, 2011 at 2:50

Tyler McHenry · Accepted Answer · 2011-03-14 02:39:26Z

3

It sounds like you want to have an array of structures that contain the various elements that you want to store, e.g.

struct MessageInfo {
  int message_id;
  pid_t incoming_pid;
  char message_data[MAX_MESSAGE_LEN];
};

struct MessageInfo message_queue[MAX_QUEUE_LEN];

answered Mar 14, 2011 at 2:39

Tyler McHenry

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1 Comment

stefan Over a year ago

Yeah, depends if he is asking about the actually structure or about thread safety part.

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