61 lines
805 B
C
61 lines
805 B
C
|
|
#include <u.h>
|
|
#include <libc.h>
|
|
#include <thread.h>
|
|
|
|
enum
|
|
{
|
|
STACK = 2048,
|
|
};
|
|
|
|
void
|
|
clockproc(void *arg)
|
|
{
|
|
int t;
|
|
Channel *c;
|
|
|
|
c = arg;
|
|
for(t=0;; t++){
|
|
sleep(100);
|
|
sendul(c, t);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
threadmain(int argc, char *argv[])
|
|
{
|
|
int tick, tock;
|
|
Alt a[] = {
|
|
{nil, &tick, CHANRCV},
|
|
{nil, &tock, CHANRCV},
|
|
{nil, nil, CHANEND},
|
|
};
|
|
|
|
fprint(2, "threadmain hi!\n");
|
|
|
|
a[0].c = chancreate(sizeof tick, 0);
|
|
a[1].c = chancreate(sizeof tock, 0);
|
|
|
|
proccreate(clockproc, a[0].c, STACK);
|
|
proccreate(clockproc, a[1].c, STACK);
|
|
|
|
tick = 0;
|
|
tock = 0;
|
|
while(tick < 10 || tock < 10){
|
|
switch(alt(a)){
|
|
case 0:
|
|
fprint(2, "tick %d\n", tick);
|
|
break;
|
|
case 1:
|
|
fprint(2, "tock %d\n", tock);
|
|
break;
|
|
default:
|
|
sysfatal("can't happen");
|
|
}
|
|
}
|
|
|
|
print("PASS\n");
|
|
threadexitsall("PASS");
|
|
}
|