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87 lignes
1.1 KiB
87 lignes
1.1 KiB
#include <defs.h>
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#include <syscall.h>
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#include <stdio.h>
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#include <ulib.h>
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#include <stat.h>
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#include <string.h>
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#include <lock.h>
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static lock_t fork_lock = INIT_LOCK;
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void
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lock_fork(void) {
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lock(&fork_lock);
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}
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void
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unlock_fork(void) {
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unlock(&fork_lock);
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}
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void
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exit(int error_code) {
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sys_exit(error_code);
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cprintf("BUG: exit failed.\n");
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while (1);
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}
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int
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fork(void) {
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return sys_fork();
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}
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int
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wait(void) {
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return sys_wait(0, NULL);
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}
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int
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waitpid(int pid, int *store) {
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return sys_wait(pid, store);
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}
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void
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yield(void) {
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sys_yield();
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}
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int
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kill(int pid) {
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return sys_kill(pid);
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}
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int
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getpid(void) {
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return sys_getpid();
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}
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//print_pgdir - print the PDT&PT
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void
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print_pgdir(void) {
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sys_pgdir();
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}
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void
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lab6_set_priority(uint32_t priority)
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{
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sys_lab6_set_priority(priority);
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}
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int
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sleep(unsigned int time) {
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return sys_sleep(time);
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}
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unsigned int
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gettime_msec(void) {
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return (unsigned int)sys_gettime();
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}
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int
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__exec(const char *name, const char **argv) {
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int argc = 0;
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while (argv[argc] != NULL) {
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argc ++;
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}
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return sys_exec(name, argc, argv);
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}
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