// ---- Server code ------
// Initialize shared memory
struct Sync sync;
struct Arguments args;
args.size = 2048 // Total size of the shared memory (it's not the same as packet size)
create_sync(&sync, &args); // Function comes from shm-sync-common.c
// Send packet
int pkt_size = 200;
sync.shared_memory[0] = pkt_size; // Supose this indicates a packet size of 200 bytes
memset(sync.shared_memory+1, '1', pkt_size); // write 200 bytes of character '1'
sync_notify(sync.mutex); // Notify the client of the packet to transmit
sync_wait(sync.mutex); // Wait client to process it


// ---- Client code ------
// Initialize shared memory
struct Sync sync;
struct Arguments args;
args.size = 2048 // Total size of the shared memory (it's not the same as packet size)
sleep(1); // wait 1 second so server can create shared memory first.
create_sync(&sync, &args); // Function comes from shm-sync-common.c
// Receive packet
sync_wait(sync.mutex); // Wait server to send a packet
int pkt_size = sync.shared_memory[0]; // get packet size (first bytes of the shared memory)
memset(sync.shared_memory+1, '0', pkt_size); // write 200 bytes of character '1'
sync_notify(sync.mutex); // Notify server that we are done