/** main thread -- parent **/
int main() {
tcb_t *tid1, *tid2;
startThreadSystem();
/* Create user threads */
tid1= newThread(sub1);
tid2= newThread(sub2);
printf("Waiting on tid1\n"); fflush(stdout);
twait(tid1);
printf("Waiting on tid2\n"); fflush(stdout);
twait(tid2);
printf("Main done\n");
exit(0);
}
/** Main thread **/
int main() {
tcb_t *tid1, *tid2, *tid3, *tid4;
/* Start the child threads running, and wait for them to complete */
startThreadSystem();
tid1 = newThread(sub1);
tid2 = newThread(sub2);
tid3 = newThread(sub3);
tid4 = newThread(sub4);
twait(tid1);
twait(tid2);
twait(tid3);
twait(tid4);
/* All threads have finished */
printf("Main done\n");
exit(0);
}
/** main **/
int main() {
int ndx;
mystack_t *stack1;
mystack_t *stack2;
startThreadSystem();
/* Create stack1 */
stack1 = newStack(100);
/* And exercise it by spawning 4 threads */
for (ndx=0; ndx<4; ndx++) {
parm[ndx].myID = ndx;
parm[ndx].numWords = 30000;
parm[ndx].stack = stack1;
if ((ndx%2) == 0) {
id[ndx] = newThread(pusher);
}
else {
id[ndx] = newThread(popper);
}
}
/* Create stack2 */
stack2 = newStack(5000);
/* And exercise it by spawning 6 threads */
for (; ndx<10; ndx++) {
parm[ndx].myID = ndx;
parm[ndx].numWords = 9000;
parm[ndx].stack = stack2;
if ((ndx%2) == 0) {
id[ndx] = newThread(pusher);
}
else {
id[ndx] = newThread(popper);
}
}
/* Wait for everyone to end */
for (ndx=0; ndx<10; ndx++) {
twait(id[ndx]);
if ((ndx % 2) == 1) {
printf("Popper %d count = %d\n", ndx, parm[ndx].popcount);
}
}
printf("Main thread done\n");
exit(0);
}
int main() {
struct rwlock m;
int i;
int children[N_THREADS];
char *stacks[N_THREADS];
int start = uptime();
for (i = 0; i < N_THREADS; i++)
stacks[i] = malloc(STACK_SIZE);
rwlock(&m, OP_INIT);
for (i = 0; i < N_THREADS; i++) {
children[i] = tfork(child_main, &m, stacks[i] + STACK_SIZE);
if (children[i] < 0)
handle_error("error on tfork()");
}
for (i = 0; i < N_THREADS; i++) {
if (twait(children[i]) < 0)
handle_error("error on twait()");
}
rwlock(&m, OP_DESTROY);
printf(stderr, "Program finished in %d tick(s).\n", uptime() - start);
if (!time_equal(uptime() - start, ONE_SEC * N_THREADS))
handle_error("Did not finish in a correct time.");
for (i = 0; i < N_THREADS; i++)
free(stacks[i]);
printf(stdout, "hw3-test-writelock succeeded\n");
exit();
}
tmain()
{
int k, code = 0;
Vmalloc_t *shm, *map;
char *arg[5];
pid_t ppid, cpid;
if(k = tchild())
{ cpid = getpid();
shmfile = argv[k];
mapfile = argv[k+1];
tinfo("Child[pid=%d]: allocating heap memory before opening shm region", cpid);
for(k = 0; k < 1024; ++k)
if(!malloc(32*1024) )
terror("Child[pid=%d]: Can't allocate segment %d", cpid, k);
if(*shmfile)
{ tinfo("Child[pid=%d]: opening shm region", cpid);
if(!(shm = vmmopen(shmfile, 1, MAPSIZE)) )
terror("Child[pid=%d]: Can't open shm region in child process", cpid);
tinfo("Child[pid=%d]: shm region opened", cpid);
}
tinfo("Child[pid=%d]: allocating heap memory before opening map region", cpid);
for(k = 0; k < 1024; ++k)
if(!malloc(32*1024) )
terror("Child[pid=%d]: Can't allocate segment %d", cpid, k);
if(*mapfile)
{ tinfo("Child[pid=%d]: opening map region", cpid);
if(!(map = vmmopen(mapfile, -1, MAPSIZE)) )
terror("Child[pid=%d]: Can't open map region in child process", cpid);
tinfo("Child[pid=%d]: map region opened", cpid);
}
}
else
{ ppid = getpid();
shmfile = tstfile("shm", -1);
mapfile = tstfile("map", -1);
(void)unlink(shmfile);
(void)unlink(mapfile);
tinfo("Parent[pid=%d]: %s: opening shm region", ppid, shmfile);
if(shm = vmmopen(shmfile, 1, MAPSIZE) )
tinfo("Parent[pid=%d]: %s: shm region opened", ppid, shmfile);
else
{ tnote("shm not supported");
shmfile = "";
}
tinfo("Parent[pid=%d]: %s: opening map region", ppid, mapfile);
if(map = vmmopen(mapfile, -1, MAPSIZE) )
tinfo("Parent[pid=%d]: %s: map region opened", ppid, mapfile);
else
{ tnote("map not supported");
mapfile = "";
}
switch((cpid = fork()) ) /* make a child process */
{ default :
code = twait(&cpid, 1);
break;
case 0 :
arg[0] = argv[0];
arg[1] = "--child";
arg[2] = shmfile;
arg[3] = mapfile;
arg[4] = 0;
if(execv(argv[0], arg) < 0 )
terror("Could not exec child process");
case -1:
terror("Could not fork a child process");
}
}
vmmrelease(shm, 1); vmclose(shm);
vmmrelease(map, 1); vmclose(map);
texit(code);
}
void m_keyb(int ch,int bank,int prg,int velo)
{
int bnk_m,bnk_l,pm,ch2;
int a,i;
unsigned char onkey[32],onnote[32];
unsigned char s[16],ke[128];
char obuf[64];
msg("Music KeyBoard Emulater");
if(rcd->act==0){all_note_off(0);}
bnk_l=bank>>8;bnk_m=bank&0xff;ch=(ch-1)&31;ch2=ch&15;
pm=rcd->put_mode;rcd->put_mode=rcd->ch_port[ch];
twait(5);
if(bank>=0 && tim_asin[ch+1]>=7 && tim_asin[ch+1]<=14){
obuf[0]=0xb0+ch2;obuf[1]=0;obuf[2]=bnk_m;
obuf[3]=32;obuf[4]=bnk_l;obuf[5]=255;
(*rcd->mix_out)(obuf);
}
if(prg>=0){
obuf[0]=0xc0+ch2;obuf[1]=prg;obuf[2]=255;
(*rcd->mix_out)(obuf);
}
twait(8);
strcpy(onkey," ");
while (1){
int ln,sh;
if(INPOUT(0xff)==27){break;}
sh=B_SFTSNS();
ln=0;
for(i=0;i<=6;i++){
a=BITSNS(i);
if( a & 1 ){ke[ln++]=bitkey[i][0];}
if( a & 2 ){ke[ln++]=bitkey[i][1];}
if( a & 4 ){ke[ln++]=bitkey[i][2];}
if( a & 8 ){ke[ln++]=bitkey[i][3];}
if( a & 16 ){ke[ln++]=bitkey[i][4];}
if( a & 32 ){ke[ln++]=bitkey[i][5];}
if( a & 64 ){ke[ln++]=bitkey[i][6];}
if( a & 128 ){ke[ln++]=bitkey[i][7];}
}
ke[ln]=0;
for (i=0;i<16;i++){
if ( onkey[i]>32 ) {
int a;
s[0]=onkey[i];s[1]=0;
a=str_search(ke,s);
if( a==0 ){
int note;
onkey[i]=32;note=onnote[i];
/* note off */
obuf[0]=0x90+ch2;obuf[1]=note;obuf[2]=0;
obuf[3]=255;(*rcd->mix_out)(obuf);
}
}
}
ln=0;
for (i=0;i<16;i++){
if(ke[ln]==0){break;}
if(onkey[i]==32){
s[0]=ke[ln++];s[1]=0;
if(str_search(onkey,s)==0){
int a;
a=str_search(keytable,s);
if(a!=0){
int note;
onkey[i]=s[0];note=keycode[a];
if(sh&1){note+=12;}/*shift*/
if(sh&2){note-=12;}/*ctrl*/
if(sh&128){note+=12;}/*caps*/
if(sh&256){note-=12;}/*かな*/
onnote[i]=note;
/* note on */
obuf[0]=0x90+ch2;obuf[1]=note;obuf[2]=velo;
obuf[3]=255;(*rcd->mix_out)(obuf);
}
}
}
}
}
/*
97-10-24 key.emu.で発音したままになるかもしれないのを修正した
for (i=0;i<16;i++){
if ( onkey[i]>32 ) {
int note;
note=onnote[i];
*//* note off *//*
obuf[0]=0x90+ch2;obuf[1]=note;obuf[2]=0;
obuf[3]=255;(*rcd->mix_out)(obuf);
}
}
*/
snsclr();rcd->put_mode=pm;msg_clr();
}