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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#include <sys/types.h>
#include <keyronex/syscall.h>
#include <mlibc/ansi-sysdeps.hpp>
#include <mlibc/posix-sysdeps.hpp>
#include <mlibc/debug.hpp>
namespace mlibc {
int
sys_sigprocmask(int how, const sigset_t *__restrict set,
sigset_t *__restrict retrieve)
{
auto ret = syscall3(kPXSysSigMask, how, (uintptr_t)set,
(uintptr_t)retrieve, NULL);
if (int e = sc_error(ret); e) {
return e;
}
return 0;
}
int
sys_sigaction(int signal, const struct sigaction *__restrict action,
struct sigaction *__restrict oldAction)
{
auto ret = syscall3(kPXSysSigAction, signal, (uintptr_t)action,
(uintptr_t)oldAction, NULL);
if (int e = sc_error(ret); e) {
return e;
}
return 0;
}
int
sys_kill(int pid, int signal)
{
if (signal == 0) {
mlibc::infoLogger() << "Sending signal 0! Allowing" << frg::endlog;
return 0;
}
auto ret = syscall2(kPXSysSigSend, pid, signal, NULL);
if (int e = sc_error(ret); e) {
return e;
}
return 0;
}
int
sys_sigsuspend(const sigset_t *set)
{
auto ret = syscall1(kPXSysSigSuspend, (uintptr_t)set, NULL);
if (int e = sc_error(ret); e) {
return e;
}
mlibc::panicLogger()
<< "Unexpected zero return from sigsuspend()" << frg::endlog;
return 0;
}
}
|
