Merge pull request #919 from coolljt0725/remove_epoll_arm64

Remove C implementation of epoll on arm64

sys/epoll.go

@@ -1,4 +1,4 @@
-// +build linux,!arm64
+// +build linux
 
 package sys
 

sys/epoll_arm64.go

@@ -1,74 +0,0 @@
-// +build linux,arm64
-
-package sys
-
-// #include <sys/epoll.h>
-/*
-int EpollCreate1(int flag) {
-	return epoll_create1(flag);
-}
-
-int EpollCtl(int efd, int op,int sfd, int events, int fd) {
-	struct epoll_event event;
-	event.events = events;
-	event.data.fd = fd;
-
-	return epoll_ctl(efd, op, sfd, &event);
-}
-
-struct event_t {
-	uint32_t events;
-	int fd;
-};
-
-struct epoll_event events[128];
-int run_epoll_wait(int fd, struct event_t *event) {
-	int n, i;
-	n = epoll_wait(fd, events, 128, -1);
-	for (i = 0; i < n; i++) {
-		event[i].events = events[i].events;
-		event[i].fd = events[i].data.fd;
-	}
-	return n;
-}
-*/
-import "C"
-
-import (
-	"fmt"
-	"unsafe"
-
-	"golang.org/x/sys/unix"
-)
-
-// EpollCreate1 calls a C implementation
-func EpollCreate1(flag int) (int, error) {
-	fd := int(C.EpollCreate1(C.int(flag)))
-	if fd < 0 {
-		return fd, fmt.Errorf("failed to create epoll, errno is %d", fd)
-	}
-	return fd, nil
-}
-
-// EpollCtl calls a C implementation
-func EpollCtl(epfd int, op int, fd int, event *unix.EpollEvent) error {
-	errno := C.EpollCtl(C.int(epfd), C.int(unix.EPOLL_CTL_ADD), C.int(fd), C.int(event.Events), C.int(event.Fd))
-	if errno < 0 {
-		return fmt.Errorf("Failed to ctl epoll")
-	}
-	return nil
-}
-
-// EpollWait calls a C implementation
-func EpollWait(epfd int, events []unix.EpollEvent, msec int) (int, error) {
-	var c_events [128]C.struct_event_t
-	n := int(C.run_epoll_wait(C.int(epfd), (*C.struct_event_t)(unsafe.Pointer(&c_events))))
-	if n < 0 {
-		return int(n), fmt.Errorf("Failed to wait epoll")
-	}
-	for i := 0; i < n; i++ {
-		events[i].Fd = int32(c_events[i].fd)
-		events[i].Events = uint32(c_events[i].events)
-	}
-	return int(n), nil
-}