You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
1.1 KiB
87 lines
1.1 KiB
#include <defs.h>
|
|
#include <syscall.h>
|
|
#include <stdio.h>
|
|
#include <ulib.h>
|
|
#include <stat.h>
|
|
#include <string.h>
|
|
#include <lock.h>
|
|
|
|
static lock_t fork_lock = INIT_LOCK;
|
|
|
|
void
|
|
lock_fork(void) {
|
|
lock(&fork_lock);
|
|
}
|
|
|
|
void
|
|
unlock_fork(void) {
|
|
unlock(&fork_lock);
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
void
|
|
lab6_set_priority(uint32_t priority)
|
|
{
|
|
sys_lab6_set_priority(priority);
|
|
}
|
|
|
|
int
|
|
sleep(unsigned int time) {
|
|
return sys_sleep(time);
|
|
}
|
|
|
|
unsigned int
|
|
gettime_msec(void) {
|
|
return (unsigned int)sys_gettime();
|
|
}
|
|
|
|
int
|
|
__exec(const char *name, const char **argv) {
|
|
int argc = 0;
|
|
while (argv[argc] != NULL) {
|
|
argc ++;
|
|
}
|
|
return sys_exec(name, argc, argv);
|
|
}
|