/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
// printf("fK:%s : %s \n",argv[0],argv[2]);
if(strcmp(argv[0], "quit")==0)
{
exit(0); // exits the shell
return 1;
}
else if(strcmp(argv[0], "bg")==0)
{
do_bgfg(argv);
return 1;
}
else if(strcmp(argv[0], "fg")==0)
{
do_bgfg(argv);
return 1;
}
else if(strcmp(argv[0], "jobs")==0)
{
listjobs(jobs);
return 1;
}
else{
return 0;
}
return 0; // never makes it here
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
* the builtin_cmd include quit, jobs, bg <job>, and fg <job>
*/
int builtin_cmd(char **argv)
{
//quit
if( !strcmp(argv[0], "quit")){
exit(0);
}
//jobs
else if (!strcmp(argv[0], "jobs")){
listjobs(jobs);
return 1;
}
//bg
else if(!strcmp(argv[0], "bg")){
do_bgfg(argv);
return 1;
}
//fg
else if(!strcmp(argv[0], "fg")){
do_bgfg(argv);
return 1;
}
else{
return 0; /* not a builtin command */
}
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
//if(verbose)
//printf("%s\n",argv[0]);
/*builtin cmd quit*/
if(!(strcmp(argv[0],"quit"))){
exit(0);
}
/*builtin cmd jobs prints the currently running and stopped jobs*/
else if(!(strcmp(argv[0],"jobs"))){
listjobs(jobs);
return 1;
}
/*builtin cmd fg for converting a process to foreground*/
else if(!(strcmp(argv[0],"fg"))){
do_bgfg(argv);
return 1;
}
/*builtin cmd bg for converting a process to background*/
else if(!(strcmp(argv[0],"bg"))){
do_bgfg(argv);
return 1;
}
/* not a builtin command */
else {
return 0;
}
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (strcmp(argv[0], "quit")==0)
exit(0);
else if (strcmp(argv[0], "fg")==0)
do_bgfg(argv);
else if (strcmp(argv[0], "bg")==0)
do_bgfg(argv);
else if (strcmp(argv[0], "jobs")==0)
listjobs(jobs);
else
return 0; /* not a builtin command */
return 1;
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(!strcmp(argv[0],"quit")){
exit(0);
}else if(!strcmp(argv[0],"jobs")){
listjobs(jobs);
return 1;
}else if(!strcmp(argv[0],"bg")){
do_bgfg(argv);
return 2;
}else if(!strcmp(argv[0],"fg")){
do_bgfg(argv);
return 3;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (!strcmp(argv[0], "quit"))
{
exit(0);
}
if (!strcmp(argv[0], "jobs"))
{
listjobs(jobs);
return 1;
}
if ((!strcmp(argv[0], "bg") || !strcmp(argv[0], "fg")) && (argv[1] != NULL))
{
do_bgfg(argv);
return 1;
}
if (!strcmp(argv[0], "kill"))
{
pid_t pid = atoi(argv[1]);
kill(-pid, SIGKILL);
if (getjobpid(jobs, pid) != NULL)
{
if (waitpid(pid, NULL, 0) < 0)
unix_error("kill child process error");
deletejob(jobs, pid);
}
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
//list jobs for "jobs" command
if(!strcmp(argv[0], "jobs"))
{
listjobs(jobs);
return 1;
}
//calling do_bgfg if built-in commands are fg or bg
else if(!strcmp(argv[0], "fg") || !strcmp(argv[0], "bg"))
{
do_bgfg(argv);
return 1;
}
//exit shell if command is quit
else if(!strcmp(argv[0], "quit"))
{
exit(0);
}
//run process in background if & is parsed as command
else if(!strcmp(argv[0], "&"))
{
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-int
* command then execute it immediately.
* quit, fg, bg, jobs
*/
int builtin_cmd(char **argv)
{
char *cmd = argv[0];
sigset_t mask, prev;
/* Blocks all signals while determining
* whether command is built in
*/
Sigfillset(&mask);
Sigprocmask(SIG_BLOCK, &mask, &prev);
if (!strcmp(cmd, "quit")) {
Sigprocmask(SIG_SETMASK, &prev, NULL);
exit(0);
}
if (!strcmp(cmd, "jobs")) {
listjobs(jobs);
Sigprocmask(SIG_SETMASK, &prev, NULL);
return 1;
}
if (!strcmp(cmd, "bg") || !strcmp(cmd, "fg")) {
Sigprocmask(SIG_SETMASK, &prev, NULL);
do_bgfg(argv);
return 1;
}
Sigprocmask(SIG_SETMASK, &prev, NULL);
return 0;
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
int r=0;
char* p;
int jobid;
if(strcmp(argv[0],"quit")==0)
{
r++;
exit(0);
}
else if(strcmp(argv[0],"jobs")==0)
{
r++;
listjobs(jobs);
}
else if((strcmp(argv[0],"bg")==0)||(strcmp(argv[0],"fg")==0))
{
r++;
do_bgfg(argv);
}
else if(strcmp(argv[0],"kill")==0)
{
r++;
p = strstr(argv[1],"%");
p++;
jobid=atoi(p); //Since jobid is specified as %5 for job 5 we get 5 from argv[1].
jobid=getjobjid(jobs,jobid)->pid;
kill(jobid,SIGKILL);
deletejob(jobs,jobid);
}
return r; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(!strcmp(argv[0], "quit")){
int i = 0;
for (i = 0; i < MAXJOBS; i++) /*If any job is in stopped state then shell will not quit.*/
if (jobs[i].state == ST)
{
printf("There is stopped job.\n");
return 1;
}
exit(0);
}
if(!strcmp(argv[0], "jobs")){
listjobs(jobs);
return 1;}
if((!strcmp(argv[0], "bg"))||(!strcmp(argv[0], "fg"))){
do_bgfg(argv);
return 1;}
if(!strcmp(argv[0], "&"))
return 1;
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(strcmp(argv[0], "quit") == 0)
{
// quit command
exit(0);
}
else if(strcmp(argv[0], "jobs") == 0)
{
// jobs command
listjobs(jobs);
}
else if(strcmp(argv[0], "bg") == 0 || strcmp(argv[0], "fg") == 0)
{
// bg or fg command
do_bgfg(argv);
}
else
{
// not a builtin command
return 0;
}
// it was a builtin command
return 1;
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
* Return 1 if a builtin command was executed; return 0
* if the argument passed in is *not* a builtin command.
*/
int builtin_cmd(char **argv) // ~ 25
{
// brittany driving
// luke driving
if(argv[0] == 0){
return 0;
}
if(strcmp("quit", argv[0]) == 0){
/*
int i = 0;
for(i; i<MAXJOBS; i++){
if(jobs[i].pid != 0){
if(DEBUG == 1)
printf("Killing job %d\n",jobs[i].pid);
kill(jobs[i].pid, SIGTERM);
// below in sigchild handler
}
}*/
exit(1);
} else if (strcmp("jobs", argv[0]) == 0){
listbgjobs(jobs);
return 1;
} else if (strcmp("bg", argv[0]) == 0 || strcmp("fg", argv[0]) == 0){
do_bgfg(argv);
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(!strcmp(argv[0], "quit")) /* quit command */
exit(0);
if(!strcmp(argv[0], "jobs")){ /* jobs command */
listjobs(jobs);
return 1;}
if(!strcmp(argv[0], "bg")){ /* jobs command */
do_bgfg(argv);
return 1;}
if(!strcmp(argv[0], "fg")){ /* jobs command */
do_bgfg(argv);
return 1;}
if(!strcmp(argv[0], "&")) /* ignore singleton & */
return 1;
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(struct cmdline_tokens cmd_tokens) {
int i;
char **argv;
/**
* NOTE:
* Based on tutorial the cmd_tokens were to be passed to builtin_cmd
* But earlier argv was being passed.
* Still using argv but getting that from cmd_tokens instead of passing to the function directly
*/
int fd; // File discriptor
switch (cmd_tokens.builtins) {
case BUILTIN_QUIT:
// Quit Command
exit(0);
return 1;
break;
case BUILTIN_BG: // Command background
case BUILTIN_FG: // Command foreground
argv = cmd_tokens.argv; // Getting argv here
if (argv[1] == NULL) {
printf("There are no arguments!");
} else {
i = 0;
if (argv[1][0] == '%') {
i = 1;
}
while (argv[1][i] != '\0') {
if (!isdigit(argv[1][i])) {
break;
}
++i;
}
if (argv[1][i] == '\0') {
do_bgfg(argv);
} else {
printf("%s: argument must be a PID or %%jobid\n", argv[0]);
}
}
return 1;
break;
case BUILTIN_JOBS:
if (cmd_tokens.outfile) {
fd = open(cmd_tokens.outfile, O_WRONLY, 0);
listjobs(jobs, fd);
close(fd);
} else {
listjobs(jobs, STDOUT_FILENO);
}
return 1; /* Builtin command */
break;
default: return 0; /* Not a builtin command */
}
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*
* Requires:
* argv should contain less than MAXARGS arguments.
*
* Effects:
* Checks the type of command and calls the appropriate function.
* If the command is not a built-in command, the function returns 0.
*/
static int
builtin_cmd(char **argv)
{
if (strcmp("quit", argv[0]) == 0) {
exit(0);
}
else if (strcmp("jobs", argv[0]) == 0) {
listjobs(jobs);
return 1;
}
else if (strcmp("bg", argv[0]) == 0) {
do_bgfg(argv);
return 1;
}
else if (strcmp("fg", argv[0]) == 0) {
do_bgfg(argv);
return 1;
}
// This is not a build-in command.
return 0;
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (!strcmp(argv[0], "quit")) /* quit command */
exit(0);
if (!strcmp(argv[0], "jobs")) /* job command show the jobs */
{ listjobs(jobs);
return 1;
}
if (!strcmp(argv[0], "bg")) //bg command run do_bgfg
{ do_bgfg(argv);
return 1;
}
if (!strcmp(argv[0], "fg")) //fg command run do_bgfg
{
do_bgfg(argv);
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (strcmp(argv[0], "quit") == 0) exit(0);
if (strcmp(argv[0], "jobs") == 0) {
listjobs(jobs);
return 1;
}
if (strcmp(argv[0], "bg") == 0 || strcmp(argv[0], "fg") == 0) {
do_bgfg(argv);
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (strcmp (argv[0], "quit") == 0) // case 1: cmd is quit
exit(0); // exit
else if (strcmp (argv[0], "jobs") == 0) // case 2: cmd is jobs
listjobs(jobs); // listing all jobs
else if (strcmp (argv[0], "bg") == 0 || // case 3: cmd is bg or fg
strcmp (argv[0], "fg") == 0)
do_bgfg (argv); //
else return 0; /* not a builtin command */
return 1;
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(!strcmp(argv[0], "quit")){ //If argument is quit
exit(0); //exit the shell
}
if(!strcmp(argv[0], "jobs")){ //If argument is jobs
listjobs(jobs); //List all the jobs
return 1;
}
if(!strcmp(argv[0], "bg")){ //If argument is bg
do_bgfg(argv); //jump to do_bgfg
return 1;
}
if(!strcmp(argv[0], "fg")){ //If argument is fg
do_bgfg(argv); //jump to do_bgfg
return 1;
}
return 0; //not a builtin command
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(!strcmp("quit", argv[0]))
exit(0);
if (!strcmp("jobs", argv[0])) {
listjobs(jobs);
return 1;
}
if (!strcmp("bg", argv[0]) || !strcmp("fg", argv[0])) {
do_bgfg(argv);
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (!strcmp(argv[0], "quit")) { /* quit command */
exit(0);
}
if (!strcmp(argv[0], "jobs")) { /* jobs command */
listjobs(jobs);
return 1;
}
if (!strcmp(argv[0], "bg")) { /* bg command */
do_bgfg(argv);
return 1;
}
if (!strcmp(argv[0], "fg")) { /* fg command */
do_bgfg(argv); // sending it off to the do_bgfg method
return 1;
}
if (!strcmp(argv[0], "&")) { /* Ignore singleton & */
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv, int *input_fd, int *output_fd) {
if (!strcmp(argv[0], "quit"))
exit(0);
if ((!strcmp(argv[0], "bg")) || (!strcmp(argv[0], "fg"))) {
do_bgfg(argv, 1);
return 1;
}
if (!strcmp(argv[0], "jobs")) {
listjobs(jobs, 1);
return 1;
};
if (!strcmp(argv[0], "&"))
return 1;
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(argv[1]==NULL && !strcmp(argv[0], "quit")){ /*If the built in command 'quit' is given*/
exit(0);
}
else if(argv[1]==NULL && !strcmp(argv[0], "jobs")){
listjobs(jobs);
return 1;
}
else if(argv[2]==NULL && (!strcmp(argv[0], "bg") || !strcmp(argv[0], "fg"))){
do_bgfg(argv);
return 1;
}
return 0; /* If not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(strcmp(argv[0], "quit") == 0) // quit
exit(0); // exit
else if(strcmp(argv[0], "fg") == 0 || strcmp(argv[0], "bg") == 0) { // fg & bg
do_bgfg(argv); // do_bgfg
return 1;
}
else if(strcmp(argv[0], "jobs") == 0) { // jobs
listjobs(jobs); // print all jobs.
return 1;
}
else
return 0; /* not a builtin command */
}
int builtin_cmd(char **argv, int n) {
char *command = argv[0];
if (!strcmp(argv[0], "quit")) { /* quit command */
exit(0);
}
else if (!strcmp("bg", command) || !(strcmp("fg", command))) {
do_bgfg(argv,n);
return 1;
}
else if (!strcmp("jobs", command)) {
listjobs(jobs);
return 1;
}
return 0; /* not a builtin command */
}
int builtin_cmd(char **argv)
{
char *cmd = argv[0];
if(strcmp(cmd,"quit")== 0){
exit(0);
}
else if (strcmp(cmd, "jobs")== 0) {
listjobs(jobs, 1);
return 1;
}
else if (!strcmp("bg", argv[0]) || !(strcmp("fg", argv[0]))) {
do_bgfg(argv);
return 1;
}
return 0;
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
char* programName = argv[0];
if (strcmp(programName, "quit") == 0) {
exit(0);
}
else if (strcmp(programName, "bg") == 0 || strcmp(programName, "fg") == 0) {
do_bgfg(argv);
return 1;
}
else if (strcmp(programName, "jobs") == 0) {
listjobs(jobs);
return 1;
}
return 0; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (strcmp((*argv),"quit")==0){
exit(0);
}
if (strcmp((*argv),"fg")==0 || strcmp(*argv,"bg")==0){
do_bgfg(argv);
return 0;
}
if (strcmp((*argv),"jobs") == 0){
//printf("Do we ever get here?\n");
listjobs(jobs);
return 0;
}
return 1; /* not a builtin command */
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if (!strcmp(argv[0], "quit")) { // exit
exit(0);
}
if (!strcmp("&", argv[0])) { // run in the background
return 1;
}
if (!strcmp( "jobs", argv[0])) { // used to print the job list
listjobs(jobs);
return 1;
}
if (!strcmp("fg", argv[0]) || !strcmp("bg", argv[0])) { // and this us useful to specify whether its a fg or bg command
do_bgfg(argv);
return 1;
}
return 0; //command not provided
}
/*
* builtin_cmd - If the user has typed a built-in command then execute
* it immediately.
*/
int builtin_cmd(char **argv)
{
if(!strcmp(argv[0],"quit"))
{
exit(0);
return 1;
}
else if((!strcmp(argv[0],"fg")) || (!strcmp(argv[0],"bg"))) //fg or bg
{
do_bgfg(argv);
return 1;
}
else if(!strcmp(argv[0],"jobs"))//list running and stopped bg jobs
{
listjobs(jobs);
return 1;
}
else return 0; /* not a builtin command */
}
