blob: 7e4d6cea8a48d557cd2ed7c32495682e92db5d14 (
plain)
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
|
/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017 J08nY
*/
/**
* @file timeout.h
*/
#ifndef ECGEN_TIMEOUT_H
#define ECGEN_TIMEOUT_H
#include <setjmp.h>
#include <sys/syscall.h>
#include <time.h>
#include <unistd.h>
#include "io/output.h"
#include "misc/config.h"
extern __thread sigjmp_buf timeout_ptr;
extern __thread bool timeout_in;
extern __thread timer_t timeout_timer;
/**
* @brief
*/
#define timeout_start(seconds) \
if ((seconds) != 0) { \
struct sigevent sevp; \
sevp.sigev_notify = SIGEV_THREAD_ID; \
sevp.sigev_signo = SIGALRM; \
sevp._sigev_un._tid = (__pid_t)syscall(SYS_gettid); \
\
timer_create(CLOCK_MONOTONIC, &sevp, &timeout_timer); \
struct itimerspec timer_time = { \
.it_interval = {.tv_sec = 0, .tv_nsec = 0}, \
.it_value = {.tv_sec = (seconds), .tv_nsec = 0}}; \
timer_settime(timeout_timer, 0, &timer_time, NULL); \
timeout_in = true; \
}; \
if ((seconds) != 0 && sigsetjmp(timeout_ptr, 1) == 1)
/**
* @brief
*/
#define timeout_stop() \
{ \
if (timeout_in) { \
timeout_in = false; \
timer_delete(timeout_timer); \
} \
}
/**
* @brief
* @param cfg
* @return
*/
bool timeout_init(const config_t *cfg);
#endif // ECGEN_TIMEOUT_H
|
