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.
86 lines
2.0 KiB
C
86 lines
2.0 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_SIGIO
|
|
#include <sys/poll.h>
|
|
#endif
|
|
#ifdef HAVE_DEVPOLL
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/devpoll.h>
|
|
#endif
|
|
|
|
void io_wantwrite(int64 d) {
|
|
int newfd;
|
|
io_entry* e=array_get(&io_fds,sizeof(io_entry),d);
|
|
if (!e || e->wantwrite) return;
|
|
newfd=(!e->wantread && !e->wantwrite);
|
|
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=EPOLLOUT;
|
|
if (e->wantread) x.events|=EPOLLIN;
|
|
x.data.fd=d;
|
|
epoll_ctl(io_master,newfd?EPOLL_CTL_ADD:EPOLL_CTL_MOD,d,&x);
|
|
}
|
|
#endif
|
|
#ifdef HAVE_KQUEUE
|
|
if (io_waitmode==KQUEUE) {
|
|
struct kevent kev;
|
|
struct timespec ts;
|
|
EV_SET(&kev, d, EVFILT_WRITE, EV_ADD|EV_ENABLE, 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=POLLOUT;
|
|
if (e->wantread) x.events|=POLLIN;
|
|
write(io_master,&x,sizeof(x));
|
|
}
|
|
#endif
|
|
#ifdef HAVE_SIGIO
|
|
if (io_waitmode==_SIGIO) {
|
|
struct pollfd p;
|
|
p.fd=d;
|
|
p.events=POLLOUT;
|
|
switch (poll(&p,1,0)) {
|
|
case 1: e->canwrite=1; break;
|
|
case 0: e->canwrite=0; break;
|
|
case -1: return;
|
|
}
|
|
if (e->canwrite) {
|
|
debug_printf(("io_wantwrite: enqueueing %lld in normal write queue before %ld\n",d,first_readable));
|
|
e->next_write=first_writeable;
|
|
first_writeable=d;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef __MINGW32__
|
|
printf("e->wantwrite == %d\n",e->wantwrite);
|
|
if (!e->wantwrite) {
|
|
e->next_write=first_writeable;
|
|
e->canwrite=1;
|
|
first_writeable=d;
|
|
printf("queueing write, setting first_writeable to %lld\n",d);
|
|
}
|
|
#endif
|
|
e->wantwrite=1;
|
|
}
|