ChCore-exercise/lab5/user/lab4/yield_single.c
2021-05-23 22:24:02 +08:00

43 lines
851 B
C

#include <lib/print.h>
#include <lib/syscall.h>
#include <lib/thread.h>
#define PRIO 255
#define INFO 233
void *thread_routine(void *arg)
{
u32 times = 0;
u64 thread_id = (u64) arg;
printf("Hello, I am thread %u\n", thread_id);
usys_yield();
while (times++ < 10) {
printf("Iteration %lu, thread %lu, cpu %u\n", times, thread_id,
usys_get_cpu_id());
usys_yield();
}
/* usys_exit: just de-schedule itself without reclaiming the resource */
usys_exit(0);
return 0;
}
int main(int argc, char *argv[])
{
int child_thread_cap;
int i;
u64 thread_i;
for (thread_i = 0; thread_i < 2; ++thread_i) {
child_thread_cap =
create_thread(thread_routine, thread_i, PRIO, 0);
if (child_thread_cap < 0)
printf("Create thread failed, return %d\n",
child_thread_cap);
for (i = 0; i < 10000; i++) ;
}
return 0;
}