Imagelibrary/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2025-12-26 09:08:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add the system call epoll (#7893)

Browse Source
This commit is contained in:
zmq810150896
2023-08-01 17:15:41 +08:00
committed by GitHub
parent a98b11747f
commit 3f0a5e76bf
4 changed files with 858 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
components/lwp/lwp_syscall.c
View File

@@ -43,6 +43,7 @@
#ifdef RT_USING_DFS
#include <eventfd.h>
#include <poll.h>
#include <sys/epoll.h>
#include <sys/select.h>
#include <dfs_file.h>
#ifdef RT_USING_DFS_V2
@@ -5325,6 +5326,55 @@ sysret_t sys_eventfd2(unsigned int count, int flags)
ret = eventfd(count, flags);
return (ret < 0 ? GET_ERRNO() : ret);
}
sysret_t sys_epoll_create1(int flags)
{
int ret;
ret = epoll_create(flags);
return (ret < 0 ? GET_ERRNO() : ret);
}
sysret_t sys_epoll_ctl(int fd, int op, int fd2, struct epoll_event *ev)
{
int ret;
if (!lwp_user_accessable((void *)ev, sizeof(struct epoll_event)))
{
return -EFAULT;
}
ret = epoll_ctl(fd, op, fd2, ev);
return (ret < 0 ? GET_ERRNO() : ret);
}
sysret_t sys_epoll_pwait(int fd,
struct epoll_event *ev,
int cnt,
int to,
const sigset_t *sigs,
unsigned long sigsetsize)
{
int ret;
if (!lwp_user_accessable((void *)ev, sizeof(struct epoll_event)))
{
return -EFAULT;
}
if (sigs != 0)
{
if (!lwp_user_accessable((void *)sigs, sizeof(sigset_t)))
{
return -EFAULT;
}
}
ret = epoll_pwait(fd, ev, cnt, to, sigs);
return (ret < 0 ? GET_ERRNO() : ret);
}
static const struct rt_syscall_def func_table[] =
{
@@ -5558,6 +5608,9 @@ static const struct rt_syscall_def func_table[] =
SYSCALL_SIGN(sys_notimpl),
SYSCALL_SIGN(sys_notimpl), /* 190 */
SYSCALL_SIGN(sys_eventfd2),
SYSCALL_SIGN(sys_epoll_create1),
SYSCALL_SIGN(sys_epoll_ctl),
SYSCALL_SIGN(sys_epoll_pwait),
};
const void *lwp_get_sys_api(rt_uint32_t number)