diff options
Diffstat (limited to '')
| -rw-r--r-- | P1/src/mapreduce.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/P1/src/mapreduce.c b/P1/src/mapreduce.c index 50ca5ca..ed44e9e 100644 --- a/P1/src/mapreduce.c +++ b/P1/src/mapreduce.c @@ -27,13 +27,14 @@ int main(int argc, char *argv[]) { pid_t mapperPid; - for (int i = 1; i < nMappers; i++) { + for (int i = 1; i <= nMappers; i++) { mapperPid = fork(); - if (mapperPid > 0) { + if (mapperPid == 0) { //TODO: exec here - char num[10]; - sprintf(num, "%d", i); - execl("./mapper", "./mapper", &num, NULL); + char numMap[10]; + sprintf(numMap, "%d", i); + execl("./mapper", "./mapper", &numMap, NULL); + exit(0); } } @@ -46,30 +47,29 @@ int main(int argc, char *argv[]) { // ###### DO NOT REMOVE ###### // shuffle sends the word.txt files generated by mapper // to reducer based on a hash function - pid = fork(); - if(pid == 0){ - shuffle(nMappers, nReducers); - exit(0); - } - sleep(1); + // pid = fork(); + // if(pid == 0){ + // shuffle(nMappers, nReducers); + // exit(0); + // } + // sleep(1); - pid_t reducerPid; - for (int i = 0; i < nReducers; i++) { - reducerPid = fork(); - if (reducerPid > 0) { - //TODO: exec here - char num[10]; - sprintf(num, "%d", i); - execl("./reducer", "./reducer", &num, NULL); - } - } + // pid_t reducerPid; + // for (int i = 1; i <= nReducers; i++) { + // reducerPid = fork(); + // if (reducerPid == 0) { + // char numRed[10]; + // sprintf(numRed, "%d", i); + // execl("./reducer", "./reducer", &numRed, NULL); + // } + // } - for (int i = 0; i <= nReducers; i++) { - //Maybe this works too? - wait(NULL); - } + // for (int i = 1; i <= nReducers; i++) { + // //Maybe this works too? + // wait(NULL); + // } return 0; }
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