//
// Builtin `jobs`.
//
int b_jobs(int n, char *argv[], Shbltin_t *context) {
int flag = 0;
Shell_t *shp = context->shp;
while ((n = optget(argv, sh_optjobs))) {
switch (n) {
case 'l': {
flag = JOB_LFLAG;
break;
}
case 'n': {
flag = JOB_NFLAG;
break;
}
case 'p': {
flag = JOB_PFLAG;
break;
}
case ':': {
errormsg(SH_DICT, 2, "%s", opt_info.arg);
break;
}
case '?': {
errormsg(SH_DICT, ERROR_usage(2), "%s", opt_info.arg);
__builtin_unreachable();
}
default: { break; }
}
}
argv += opt_info.index;
if (error_info.errors) {
errormsg(SH_DICT, ERROR_usage(2), "%s", optusage(NULL));
__builtin_unreachable();
}
if (*argv == 0) argv = NULL;
if (job_walk(shp, sfstdout, job_list, flag, argv)) {
errormsg(SH_DICT, ERROR_exit(1), e_no_job);
__builtin_unreachable();
}
job_wait((pid_t)0);
return shp->exitval;
}
//
// Builtin `bg`.
//
int b_bg(int n, char *argv[], Shbltin_t *context) {
int flag = **argv;
Shell_t *shp = context->shp;
const char *optstr = sh_optbg;
if (*argv[0] == 'f') {
optstr = sh_optfg;
} else if (*argv[0] == 'd') {
optstr = sh_optdisown;
}
while ((n = optget(argv, optstr))) {
switch (n) {
case ':': {
errormsg(SH_DICT, 2, "%s", opt_info.arg);
break;
}
case '?': {
errormsg(SH_DICT, ERROR_usage(2), "%s", opt_info.arg);
__builtin_unreachable();
}
default: { break; }
}
}
if (error_info.errors) {
errormsg(SH_DICT, ERROR_usage(2), "%s", optusage(NULL));
__builtin_unreachable();
}
argv += opt_info.index;
if (!sh_isoption(shp, SH_MONITOR) || !job.jobcontrol) {
if (sh_isstate(shp, SH_INTERACTIVE)) {
errormsg(SH_DICT, ERROR_exit(1), e_no_jctl);
__builtin_unreachable();
}
return 1;
}
if (flag == 'd' && *argv == 0) argv = NULL;
if (job_walk(shp, sfstdout, job_switch, flag, argv)) {
errormsg(SH_DICT, ERROR_exit(1), e_no_job);
__builtin_unreachable();
}
return shp->exitval;
}
int b_kill(int argc,char *argv[],void *extra)
{
register char *signame;
register int sig=SIGTERM, flag=0, n;
register Shell_t *shp = ((Shbltin_t*)extra)->shp;
NOT_USED(argc);
while((n = optget(argv,sh_optkill))) switch(n)
{
case ':':
if((signame=argv[opt_info.index++]) && (sig=sig_number(shp,signame+1))>=0)
goto endopts;
opt_info.index--;
errormsg(SH_DICT,2, "%s", opt_info.arg);
break;
case 'n':
sig = (int)opt_info.num;
goto endopts;
case 's':
flag |= S_FLAG;
signame = opt_info.arg;
goto endopts;
case 'l':
flag |= L_FLAG;
break;
case '?':
errormsg(SH_DICT,ERROR_usage(2), "%s", opt_info.arg);
break;
}
endopts:
argv += opt_info.index;
if(*argv && strcmp(*argv,"--")==0 && strcmp(*(argv-1),"--")!=0)
argv++;
if(error_info.errors || flag==(L_FLAG|S_FLAG) || (!(*argv) && !(flag&L_FLAG)))
errormsg(SH_DICT,ERROR_usage(2),"%s", optusage((char*)0));
/* just in case we send a kill -9 $$ */
sfsync(sfstderr);
if(flag&L_FLAG)
{
if(!(*argv))
sig_list(shp,0);
else while(signame = *argv++)
{
if(isdigit(*signame))
sig_list(shp,((int)strtol(signame, (char**)0, 10)&0177)+1);
else
{
if((sig=sig_number(shp,signame))<0)
{
shp->exitval = 2;
errormsg(SH_DICT,ERROR_exit(1),e_nosignal,signame);
}
sfprintf(sfstdout,"%d\n",sig);
}
}
return(shp->exitval);
}
if(flag&S_FLAG)
{
if((sig=sig_number(shp,signame)) < 0 || sig > shp->gd->sigmax)
errormsg(SH_DICT,ERROR_exit(1),e_nosignal,signame);
}
if(job_walk(sfstdout,job_kill,sig,argv))
shp->exitval = 1;
return(shp->exitval);
}
