34 lines
690 B
C
34 lines
690 B
C
#include <zinnia/spin.h>
|
|
#include <zinnia/syscall.h>
|
|
#include <zinnia/usercopy.h>
|
|
#include <config.h>
|
|
#include <uapi/utsname.h>
|
|
|
|
static spinlock_t uname_lock = {};
|
|
|
|
static struct utsname uname_buf = {
|
|
.sysname = "Zinnia",
|
|
.release = ZINNIA_VERSION,
|
|
.version = CONFIG_KERNEL_FLAVOR,
|
|
.nodename = "localhost",
|
|
.machine = ZINNIA_ARCH,
|
|
};
|
|
|
|
struct syscall_ret sys_getuname(__user struct utsname* ptr) {
|
|
struct syscall_ret ret = {};
|
|
|
|
if (!ptr) {
|
|
ret.errno = EINVAL;
|
|
return ret;
|
|
}
|
|
|
|
spin_lock(&uname_lock);
|
|
|
|
if (!usercopy_write(ptr, &uname_buf, sizeof(uname_buf)))
|
|
ret.errno = EFAULT;
|
|
|
|
spin_unlock(&uname_lock);
|
|
|
|
return ret;
|
|
}
|