122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/msg.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <custom_sig.h>
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#include <structures.h>
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#include <errExit.h>
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#include <custom_msgq.h>
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#include <custom_sem.h>
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#include <custom_shm.h>
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#include <forza4.h>
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pid_t _PIDS[2];
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void setSignal(int sig);
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void sigIntHandler2(int sig) {
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kill(getpid(), SIGTERM);
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}
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void sigHandlerServer(int sig) {
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// if (sig == SIGINT) { // FIXME: non riesco a farlo funzionare, quando premo ctr+c è come se gli arrivasse al server la mossa di un giocatore
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// UPDATE: funzia ma è piu bella la mia sol?
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// sigint_count--;
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// if (sigint_count > 0) {
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// printf(PSERVER "Press again Ctrl^C to exit ");
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// printf("(whitin %d sec)\n", TIME_TO_RESET);
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// alarm(TIME_TO_RESET);
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// } else {
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// alarm(0); // toglie l'allarme
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// sig = SIGTERM;
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// }
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// }
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// if (sig == SIGALRM) {
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// printf(PSERVER "");
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// printf("Time to exit (%d sec) expired", TIME_TO_RESET);
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// sigint_count = 2;
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// }
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if (sig == SIGINT) {
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printf(PSERVER "Press again Ctrl^C to exit (whitin %d sec)\n", TIME_TO_RESET);
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signal(SIGINT, sigIntHandler2);
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alarm(TIME_TO_RESET);
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}
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if (sig == SIGALRM) {
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printf(PSERVER "Time to exit (%d sec) expired\n", TIME_TO_RESET);
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signal(SIGINT, sigHandlerServer);
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}
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if (sig == SIGTERM || sig == SIGHUP) {
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if (_PIDS[0] > 0) {
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printf(PSERVER "Terminating player one\n");
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kill(_PIDS[0], SIGTERM);
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}
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if (_PIDS[1] > 0) {
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printf(PSERVER "Terminating player two\n");
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kill(_PIDS[1], SIGTERM);
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}
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// msgq
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if (_MSGQID) {
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printf(PSERVER "Deleting msg\n");
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if (msgctl(_MSGQID, IPC_RMID, NULL) == -1) { //TODO: funzioni
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errExit("msgctl", "sigHandlerServer");
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}
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}
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// sem
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if (_SEMID) {
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printf(PSERVER "Deleting sem\n");
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if (semctl(_SEMID, 0, IPC_RMID, 0) == -1) {
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errExit("semctl", "sigHandlerServer");
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}
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}
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// shm
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if (_BOARD) {
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printf(PSERVER "Detathing shm\n");
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if (shmdt(_BOARD) == -1) {
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errExit("shmdt", "sigHandlerServer");
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}
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}
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if (_SHMID){
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printf(PSERVER "Deleting shm\n");
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if (shmctl(_SHMID, IPC_RMID, NULL) == -1) {
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errExit("shmctl", "SigHandlerSever");
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}
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}
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exit(0);
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}
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}
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void setupServerSignalHandler() {
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sigset_t mySet;
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sigfillset(&mySet);
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sigdelset(&mySet, SIGINT);
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sigdelset(&mySet, SIGTERM);
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sigdelset(&mySet, SIGHUP);
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sigdelset(&mySet, SIGALRM);
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sigprocmask(SIG_SETMASK, &mySet, NULL);
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setSignal(SIGINT);
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setSignal(SIGTERM);
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setSignal(SIGHUP);
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setSignal(SIGALRM);
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}
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void setSignal(int sig) {
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if (signal(sig, sigHandlerServer) == SIG_ERR) {
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errExit("signal", "f4Server");
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}
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} |