From 294b585994da4427ac98a8353ff41aed5f301d54 Mon Sep 17 00:00:00 2001
From: pk33 <pk33@pk33.space>
Date: Fri, 1 Nov 2024 23:51:15 +0100
Subject: Import and fix old code

---
 include/musl/sys/epoll.h | 81 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 include/musl/sys/epoll.h

(limited to 'include/musl/sys/epoll.h')

diff --git a/include/musl/sys/epoll.h b/include/musl/sys/epoll.h
new file mode 100644
index 0000000..5f975c4
--- /dev/null
+++ b/include/musl/sys/epoll.h
@@ -0,0 +1,81 @@
+#ifndef	_SYS_EPOLL_H
+#define	_SYS_EPOLL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+
+#define __NEED_sigset_t
+
+#include <bits/alltypes.h>
+
+#define EPOLL_CLOEXEC O_CLOEXEC
+#define EPOLL_NONBLOCK O_NONBLOCK
+
+enum EPOLL_EVENTS { __EPOLL_DUMMY };
+#define EPOLLIN 0x001
+#define EPOLLPRI 0x002
+#define EPOLLOUT 0x004
+#define EPOLLRDNORM 0x040
+#define EPOLLNVAL 0x020
+#define EPOLLRDBAND 0x080
+#define EPOLLWRNORM 0x100
+#define EPOLLWRBAND 0x200
+#define EPOLLMSG 0x400
+#define EPOLLERR 0x008
+#define EPOLLHUP 0x010
+#define EPOLLRDHUP 0x2000
+#define EPOLLEXCLUSIVE (1U<<28)
+#define EPOLLWAKEUP (1U<<29)
+#define EPOLLONESHOT (1U<<30)
+#define EPOLLET (1U<<31)
+
+#define EPOLL_CTL_ADD 1
+#define EPOLL_CTL_DEL 2
+#define EPOLL_CTL_MOD 3
+
+typedef union epoll_data {
+	void *ptr;
+	int fd;
+	uint32_t u32;
+	uint64_t u64;
+} epoll_data_t;
+
+struct epoll_event {
+	uint32_t events;
+	epoll_data_t data;
+}
+#ifdef __x86_64__
+__attribute__ ((__packed__))
+#endif
+;
+
+struct epoll_params {
+	uint32_t busy_poll_usecs;
+	uint16_t busy_poll_budget;
+	uint8_t prefer_busy_poll;
+
+	uint8_t __pad;
+};
+
+#define EPOLL_IOC_TYPE 0x8A
+#define EPIOCSPARAMS _IOW(EPOLL_IOC_TYPE, 0x01, struct epoll_params)
+#define EPIOCGPARAMS _IOR(EPOLL_IOC_TYPE, 0x02, struct epoll_params)
+
+int epoll_create(int);
+int epoll_create1(int);
+int epoll_ctl(int, int, int, struct epoll_event *);
+int epoll_wait(int, struct epoll_event *, int, int);
+int epoll_pwait(int, struct epoll_event *, int, int, const sigset_t *);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* sys/epoll.h */
-- 
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