os_kernel_lab/labcodes_answer/lab6_result/user/libs/ulib.c
2014-08-20 15:42:20 +08:00

59 lines
722 B
C

#include <defs.h>
#include <syscall.h>
#include <stdio.h>
#include <ulib.h>
void
exit(int error_code) {
sys_exit(error_code);
cprintf("BUG: exit failed.\n");
while (1);
}
int
fork(void) {
return sys_fork();
}
int
wait(void) {
return sys_wait(0, NULL);
}
int
waitpid(int pid, int *store) {
return sys_wait(pid, store);
}
void
yield(void) {
sys_yield();
}
int
kill(int pid) {
return sys_kill(pid);
}
int
getpid(void) {
return sys_getpid();
}
//print_pgdir - print the PDT&PT
void
print_pgdir(void) {
sys_pgdir();
}
unsigned int
gettime_msec(void) {
return (unsigned int)sys_gettime();
}
void
lab6_set_priority(uint32_t priority)
{
sys_lab6_set_priority(priority);
}