#include <assert.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "signals_list.h"
#include "../test_helpers.h"

#define NUMSIGNALS 26

bool is_empty(sigset_t *set) {

        int i;
        int siglist[25] = {SIGABRT, SIGALRM, SIGBUS, SIGCHLD,
                SIGCONT, SIGFPE, SIGHUP, SIGILL, SIGINT,
                SIGPIPE, SIGQUIT, SIGSEGV,
                SIGTERM, SIGTSTP, SIGTTIN, SIGTTOU,
                SIGUSR1, SIGUSR2, SIGPROF, SIGSYS,
                SIGTRAP, SIGURG, SIGVTALRM, SIGXCPU, SIGXFSZ };

        for (i=0; i<25; i++) {
		if (sigismember(set, siglist[i]) != 0)
			return false;
        }
        return true;
}

void sig_handler(int signo)
{
	printf("%d called. Inside handler\n", signo);
}

int sigset_test5(int signum)
{
	sigset_t mask;
	sigemptyset(&mask);

	sigprocmask(SIG_SETMASK, &mask, NULL);
	void (*status) (int);

	status = sigset(signum, sig_handler);
	ERROR_IF(sigset, status, == SIG_ERR);
	// if (sigset(signum, sig_handler) == SIG_ERR) {
    //             perror("Unexpected error while using sigset()");
    //            	exit(EXIT_FAILURE);
    //     }

	raise(signum);
	sigprocmask(SIG_SETMASK, NULL, &mask);
	bool status1 = is_empty(&mask);
	assert(status1);
	// if (is_empty(&mask) != 1) {
	// 	printf("Test FAILED: signal mask should be empty\n");
	// 	exit(EXIT_FAILURE);
	// }
    // printf("sig %d was successfully removed from the mask when handler returned\n", signum);
	return EXIT_SUCCESS;
} 

int main(){
    for (int i=1; i<N_SIGNALS; i++){
        printf("Testing for sig %s (%d)\n", strsignal(i), i);
		if (i == SIGKILL || i == SIGSTOP){
			continue;
		}
		sigset_test5(i);
	}
	return 0;
}