Libraries/LibC/sched.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

#include <Kernel/Syscall.h>
#include <errno.h>
#include <sched.h>

extern "C" {

int sched_yield()
{
    int rc = syscall(SC_yield);
    __RETURN_WITH_ERRNO(rc, rc, -1);
}

int sched_get_priority_min(int policy)
{
    (void)policy;
    return 0; // Idle
}

int sched_get_priority_max(int policy)
{
    (void)policy;
    return 3; // High
}

int sched_setparam(pid_t pid, const struct sched_param* param)
{
    int rc = syscall(SC_sched_setparam, pid, param);
    __RETURN_WITH_ERRNO(rc, rc, -1);
}

int sched_getparam(pid_t pid, struct sched_param* param)
{
    int rc = syscall(SC_sched_getparam, pid, param);
    __RETURN_WITH_ERRNO(rc, rc, -1);
}
}