107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
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#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/msg.h>
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#include <custom_sig.h>
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#include <structures.h>
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static int sigint_count = 2;
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void setSignal(int sig);
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void sigHandlerServer(int sig) {
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if (sig == SIGINT) {
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sigint_count--;
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if (sigint_count > 0) {
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printf("\n");
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printfServer("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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sig = SIGTERM;
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}
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}
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if (sig == SIGALRM) {
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printf("<Server> Time to exit (%d sec) expired\n", TIME_TO_RESET);
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sigint_count = 2;
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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("\n");
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printfServer("Terminating player one");
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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("\n");
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printfServer("Terminating player two");
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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("\n");
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printfServer("Deleting msg");
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if (msgctl(_MSGQID, IPC_RMID, NULL) == -1) { //TODO: funzione
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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("\n");
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printfServer("Deleting sem");
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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("\n");
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printfServer("Detathing shm");
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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("\n");
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printfServer("Deleting shm");
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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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printf("\n");
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}
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exit(0);
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}
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void setServerSignalHandler() {
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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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}
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