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uptime.c
Go to the documentation of this file.
1
#include <
stdio.h
>
2
#include <
sys/io.h
>
3
4
#include "
user/common/syscalls.h
"
5
6
clock_t
uptime
(
void
)
7
{
8
clock_t
result =
_syscall_uptime
();
9
if
(result ==
ERR
)
10
{
11
errno
=
_syscall_errno
();
12
}
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return
result;
14
}
errno
#define errno
Error number variable.
Definition
errno.h:27
uptime
clock_t uptime(void)
System call for retreving the time since boot.
Definition
uptime.c:6
ERR
#define ERR
Integer error value.
Definition
ERR.h:17
clock_t
__UINT64_TYPE__ clock_t
A nanosecond time.
Definition
clock_t.h:13
io.h
syscalls.h
_syscall_uptime
static clock_t _syscall_uptime(void)
Definition
syscalls.h:133
_syscall_errno
static errno_t _syscall_errno(void)
Definition
syscalls.h:118
stdio.h
src
libstd
user
functions
proc
uptime.c
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