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author | Matt Strapp <strap012@umn.edu> | 2020-11-16 08:59:44 -0600 |
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committer | Matt Strapp <strap012@umn.edu> | 2020-11-16 08:59:44 -0600 |
commit | c6a7ae3f1c3881713cf62460deaae0cd79a1d089 (patch) | |
tree | ce9834e23c5341ed574308724ff541e8349a00f9 /P3 | |
parent | Make threads detached (diff) | |
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help me
Diffstat (limited to 'P3')
-rw-r--r-- | P3/server.c | 39 |
1 files changed, 15 insertions, 24 deletions
diff --git a/P3/server.c b/P3/server.c index 2f1b30b..93c28ed 100644 --- a/P3/server.c +++ b/P3/server.c @@ -111,13 +111,14 @@ int readFromDisk(/*necessary arguments*/) { void * dispatch(void *arg) { while (1) { - // Accept client connection + int newReq = accept_connection(); + if (newReq >= 0) { + // Get request from the client + //get_request(newReq, something); + // Add the request into the queue - // Get request from the client - - // Add the request into the queue - + } } return NULL; } @@ -226,22 +227,25 @@ int main(int argc, char **argv) { } } + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); // Start the server init(port); // Create dispatcher threads (make detachable????) pthread_t dThreads[dispatchers]; for (int i=0; i<dispatchers; i++) { - pthread_create(&dThreads[i], PTHREAD_CREATE_DETACHED, dispatch, NULL); // DEBUG! figure out last arg + pthread_create(&dThreads[i], &attr, dispatch, NULL); // DEBUG! figure out last arg } //Create workers (make detachable?????) pthread_t wThreads[workers]; for (int i = 0; i < workers; i++) { - pthread_create(&wThreads[i], PTHREAD_CREATE_DETACHED, worker, NULL); //TODO: Worker arguments + pthread_create(&wThreads[i], &attr, worker, NULL); //TODO: Worker arguments } // Create dynamic pool manager thread (extra credit A) if (dynFlag) { pthread_t pThread; - pthread_create(&pThread, PTHREAD_CREATE_DETACHED, dynamic_pool_size_update, NULL); //TODO: possible arguments + pthread_create(&pThread, &attr, dynamic_pool_size_update, NULL); //TODO: possible arguments } @@ -251,23 +255,10 @@ int main(int argc, char **argv) { // Terminate server gracefully if (exitFlag){ - printf("SIGINT caught, exiting now.\nWorker threads now being killed.\n"); + printf("SIGINT caught, exiting now.\n"); // Print the number of pending requests in the request queue /*TODO*/ //Kill all dispatch and worker threads - for (int j=0; j<dispatchers; j++) { - if (pthread_cancel(dThreads[j]) != 0) { - printf("Thread ID %ld refused to die.\nThis may or may not be disasterous.\n", dThreads[j]); - continue; - } - } - printf("All dispatcher threads have been killed. Now killing worker threads."); - for (int j=0; j<workers;j++) { - if(pthread_cancel(wThreads[j]) != 0) { - printf("Thread ID %ld refused to die.\nThis could be disasterous.\n", wThreads[j]); - continue; - } - } // close log file if (fclose(logfile) != 0) { perror("fclose error"); @@ -276,10 +267,10 @@ int main(int argc, char **argv) { // Remove cache (extra credit B) if (cSiz != 0) free(dynQ); - printf("All threads have been successfully killed and cache has successfully been cleared.\nExiting now.\n"); + printf("Aache has successfully been cleared.\nExiting now.\n"); return 0; } } - printf("This should never be printed."); + printf("\n\nThis should never be printed.\n\n"); return 42; } |