Synergy User Manual and Tutorial. - THE CORE MEMORY

Synergy User Manual and Tutorial
Tuple Space Object Programming
A Simple Application – Hello Synergy!
The first example given in most introductory computer programming books is the “Hello
World!” program. To get started with Synergy programming, the “Hello Synergy!”
program will be the first example. The master program (tupleHello1Master.c) simply
opens a tuple space, puts the message in the tuple space and terminates. The worker
programs (tupleHello1Worker.c) open the tuple space, read the message from the tuple
space, display the message and terminate. The following example programs can be found
in the example01 directory.
The following is the tuple space “Hello Synergy!” master program:
#include
#include
main(){
int tplength;
int status;
int P;
int tsd;
char host[128];
char tpname[20];
// Length of ts entry
// Return status for tuple operations
// Number of processors
// Problem tuple space identifier
// Host machine name
// Identifier of ts entry
// Message sent to workers
char sendMsg[50] = "Hello Synergy!\0";
// Get host machine name
gethostname(host, sizeof(host));
// Open tuple spaces
printf("Master: Opening tuple space\n");
// Open problem tuple space
tsd = cnf_open("problem",0);
printf("Master: Tuple space open complete\n");
// Get number of processors
P = cnf_getP();
printf("Master: Processors %d\n", P);
// Send 'Hello Synergy!' to problem tuple space
// Set length of send entry
tplength = sizeof(sendMsg);
// Set name of entry to host
strcpy(tpname, host);
printf("Master: Putting '%s' Length %d Name %s\n",
sendMsg, tplength, tpname);
// Put entry in tuple space
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