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[component/lwp] support more feature of signal from IEEE Std 1003.1-2017 (#7828)

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Signed-off-by: Shell <smokewood@qq.com>
This commit is contained in:
Shell
2023-07-20 00:02:41 +08:00
committed by GitHub
parent c732cc0083
commit 58e0ddf287
25 changed files with 2052 additions and 826 deletions
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90
components/libc/compilers/common/ctime.c
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@@ -20,6 +20,8 @@
* 2021-05-01 Meco Man support fixed timezone
* 2021-07-21 Meco Man implement that change/set timezone APIs
* 2023-07-03 xqyjlj refactor posix time and timer
* 2023-07-16 Shell update signal generation routine for lwp
* adapt to new api and do the signal handling in thread context
*/
#include "sys/time.h"
@@ -713,9 +715,56 @@ struct timer_obj
clockid_t clockid;
#ifdef RT_USING_SMART
pid_t pid;
struct rt_work *work;
#endif
};
#ifdef RT_USING_SMART
struct lwp_timer_event_param
{
struct rt_work work;
union
{
int tid;
pid_t pid;
};
int signo;
};
static void _lwp_timer_event_from_tid(struct rt_work *work, void *param)
{
rt_err_t ret;
struct lwp_timer_event_param *data = (void *)work;
rt_thread_t thread;
RT_ASSERT(data->tid);
thread = lwp_tid_get_thread(data->tid);
ret = lwp_thread_signal_kill(thread, data->signo, SI_TIMER, 0);
if (ret)
{
LOG_W("%s: Do kill failed(tid %d) returned %d", __func__, data->tid, ret);
}
rt_free(work);
}
static void _lwp_timer_event_from_pid(struct rt_work *work, void *param)
{
rt_err_t ret;
struct lwp_timer_event_param *data = (void *)work;
ret = lwp_signal_kill(lwp_from_pid(data->pid), data->signo, SI_TIMER, 0);
if (ret)
{
LOG_W("%s: Do kill failed(pid %d) returned %d", __func__, data->pid, ret);
}
rt_free(work);
}
#endif /* RT_USING_SMART */
static void rtthread_timer_wrapper(void *timerobj)
{
struct timer_obj *timer;
@@ -735,7 +784,24 @@ static void rtthread_timer_wrapper(void *timerobj)
rt_ktime_hrtimer_start(&timer->hrtimer);
}
#ifdef RT_USING_SMART
sys_kill(timer->pid, timer->sigev_signo);
/* this field is named as tid in musl */
int tid = *(int *)&timer->sigev_notify_function;
struct lwp_timer_event_param *data = (void *)timer->work;
data->signo = timer->sigev_signo;
if (!tid)
{
data->pid = timer->pid;
rt_work_init(timer->work, _lwp_timer_event_from_pid, 0);
}
else
{
data->tid = tid;
rt_work_init(timer->work, _lwp_timer_event_from_tid, 0);
}
if (rt_work_submit(timer->work, 0))
RT_ASSERT(0);
#else
if(timer->sigev_notify_function != RT_NULL)
{
@@ -802,7 +868,27 @@ int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid)
num %= 100;
timer->sigev_signo = evp->sigev_signo;
#ifdef RT_USING_SMART
timer->pid = lwp_self()->pid;
struct rt_work *work;
struct rt_lwp *lwp = lwp_self();
work = rt_malloc(sizeof(struct lwp_timer_event_param));
if (!work)
{
rt_set_errno(ENOMEM);
return -1;
}
if (lwp)
{
timer->pid = lwp_self()->pid;
}
else
{
timer->pid = 0; /* pid 0 is never used */
}
timer->work = work;
#endif
timer->sigev_notify_function = evp->sigev_notify_function;
timer->val = evp->sigev_value;