You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.5 KiB
71 lines
1.5 KiB
/*
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2023-11-30 Shell Add itimer support
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
#include <sys/time.h>
|
|
#undef _GNU_SOURCE
|
|
|
|
#define DBG_TAG "lwp.signal"
|
|
#define DBG_LVL DBG_INFO
|
|
#include <rtdbg.h>
|
|
|
|
#include <rthw.h>
|
|
#include <rtthread.h>
|
|
#include <string.h>
|
|
|
|
#include "lwp_internal.h"
|
|
#include "sys/signal.h"
|
|
#include "syscall_generic.h"
|
|
|
|
rt_err_t lwp_signal_setitimer(rt_lwp_t lwp, int which, const struct itimerspec *restrict new, struct itimerspec *restrict old)
|
|
{
|
|
rt_err_t rc = RT_EOK;
|
|
timer_t timerid = 0;
|
|
int flags = 0;
|
|
|
|
if (lwp->signal.real_timer == LWP_SIG_INVALID_TIMER)
|
|
{
|
|
struct sigevent sevp = {
|
|
.sigev_signo = SIGALRM,
|
|
.sigev_notify = SIGEV_SIGNAL,
|
|
};
|
|
|
|
rc = timer_create(CLOCK_REALTIME_ALARM, &sevp, &timerid);
|
|
if (rc == RT_EOK)
|
|
{
|
|
RT_ASSERT(timerid != LWP_SIG_INVALID_TIMER);
|
|
lwp->signal.real_timer = timerid;
|
|
}
|
|
else
|
|
{
|
|
/* failed to create timer */
|
|
}
|
|
}
|
|
else
|
|
{
|
|
timerid = lwp->signal.real_timer;
|
|
}
|
|
|
|
if (rc == RT_EOK)
|
|
{
|
|
switch (which)
|
|
{
|
|
case ITIMER_REAL:
|
|
rc = timer_settime(timerid, flags, new, old);
|
|
break;
|
|
default:
|
|
rc = -ENOSYS;
|
|
LOG_W("%s() unsupported timer", __func__);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|