You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include "io_internal.h"
|
|
#ifdef HAVE_KQUEUE
|
|
#include <sys/types.h>
|
|
#include <sys/event.h>
|
|
#include <sys/time.h>
|
|
#endif
|
|
#ifdef HAVE_EPOLL
|
|
#include <inttypes.h>
|
|
#include <sys/epoll.h>
|
|
#include <byte.h>
|
|
#endif
|
|
#ifdef HAVE_DEVPOLL
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/devpoll.h>
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
#include <assert.h>
|
|
#else
|
|
#define assert(x)
|
|
#endif
|
|
|
|
void io_dontwantread_really(int64 d, io_entry* e) {
|
|
int newfd;
|
|
(void)d;
|
|
assert(e->kernelwantread);
|
|
newfd=!e->kernelwantwrite;
|
|
io_wanted_fds-=newfd;
|
|
#ifdef HAVE_EPOLL
|
|
if (io_waitmode==EPOLL) {
|
|
struct epoll_event x;
|
|
byte_zero(&x,sizeof(x)); // to shut up valgrind
|
|
x.events=0;
|
|
if (e->kernelwantwrite) x.events|=EPOLLOUT;
|
|
x.data.fd=d;
|
|
epoll_ctl(io_master,e->kernelwantwrite?EPOLL_CTL_MOD:EPOLL_CTL_DEL,d,&x);
|
|
}
|
|
#endif
|
|
#ifdef HAVE_KQUEUE
|
|
if (io_waitmode==KQUEUE) {
|
|
struct kevent kev;
|
|
struct timespec ts;
|
|
EV_SET(&kev, d, EVFILT_READ, EV_DELETE, 0, 0, 0);
|
|
ts.tv_sec=0; ts.tv_nsec=0;
|
|
kevent(io_master,&kev,1,0,0,&ts);
|
|
}
|
|
#endif
|
|
#ifdef HAVE_DEVPOLL
|
|
if (io_waitmode==DEVPOLL) {
|
|
struct pollfd x;
|
|
x.fd=d;
|
|
x.events=0;
|
|
if (e->kernelwantwrite) x.events|=POLLOUT;
|
|
if (!x.events) x.events=POLLREMOVE;
|
|
write(io_master,&x,sizeof(x));
|
|
}
|
|
#endif
|
|
e->wantread=0;
|
|
e->kernelwantread=0;
|
|
}
|
|
|
|
void io_dontwantread(int64 d) {
|
|
io_entry* e=iarray_get(&io_fds,d);
|
|
if (e) {
|
|
if (e->canread)
|
|
io_dontwantread_really(d,e);
|
|
e->wantread=0;
|
|
}
|
|
}
|