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epoll now works enough for test/io5

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This commit is contained in:
leitner 2003-09-06 01:36:50 +00:00
parent d213018a01
commit b1a8110926
4 changed files with 116 additions and 7 deletions
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2
io/io_close.c
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@ -3,10 +3,10 @@
void io_close(int64 d) { void io_close(int64 d) {
io_entry* e; io_entry* e;
close(d);
if ((e=array_get(&io_fds,sizeof(io_entry),d))) { if ((e=array_get(&io_fds,sizeof(io_entry),d))) {
e->inuse=0; e->inuse=0;
io_dontwantread(d); io_dontwantread(d);
io_dontwantwrite(d); io_dontwantwrite(d);
} }
close(d);
} }

32
io/io_dontwantread.c
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@ -2,10 +2,38 @@
#include <fcntl.h> #include <fcntl.h>
#include <errno.h> #include <errno.h>
#include "io_internal.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 <sys/epoll.h>
#endif
void io_dontwantread(int64 d) { void io_dontwantread(int64 d) {
int newfd;
io_entry* e=array_get(&io_fds,sizeof(io_entry),d); io_entry* e=array_get(&io_fds,sizeof(io_entry),d);
if (!e) return; if (!e || !e->wantread) return;
if (e->wantread && !e->wantwrite) --io_wanted_fds; newfd=(e->wantread && !e->wantwrite);
io_wanted_fds-=newfd;
#ifdef HAVE_EPOLL
if (io_waitmode==EPOLL) {
struct epoll_event x;
x.events=EPOLLIN;
if (e->wantwrite) x.events|=EPOLLOUT;
x.data.fd=d;
epoll_ctl(io_master,newfd?EPOLL_CTL_DEL:EPOLL_CTL_MOD,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
e->wantread=0; e->wantread=0;
} }

32
io/io_dontwantwrite.c
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@ -2,10 +2,38 @@
#include <fcntl.h> #include <fcntl.h>
#include <errno.h> #include <errno.h>
#include "io_internal.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 <sys/epoll.h>
#endif
void io_dontwantwrite(int64 d) { void io_dontwantwrite(int64 d) {
int newfd;
io_entry* e=array_get(&io_fds,sizeof(io_entry),d); io_entry* e=array_get(&io_fds,sizeof(io_entry),d);
if (!e) return; if (!e || !e->wantwrite) return;
if (!e->wantread && e->wantwrite) --io_wanted_fds; newfd=(!e->wantread && e->wantwrite); --io_wanted_fds;
io_wanted_fds-=newfd;
#ifdef HAVE_EPOLL
if (io_waitmode==EPOLL) {
struct epoll_event x;
x.events=EPOLLOUT;
if (e->wantread) x.events|=EPOLLIN;
x.data.fd=d;
epoll_ctl(io_master,newfd?EPOLL_CTL_DEL: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_DELETE, 0, 0, 0);
ts.tv_sec=0; ts.tv_nsec=0;
kevent(io_master,&kev,1,0,0,&ts);
}
#endif
e->wantwrite=0; e->wantwrite=0;
} }

57
io/io_waituntil2.c
View File

@ -3,11 +3,64 @@
#include <poll.h> #include <poll.h>
#include <errno.h> #include <errno.h>
#include "io_internal.h" #include "io_internal.h"
#ifdef HAVE_KQUEUE
#include <sys/event.h>
#endif
#ifdef HAVE_EPOLL
#include <sys/epoll.h>
#endif
int64 io_waituntil2(int64 milliseconds) { int64 io_waituntil2(int64 milliseconds) {
struct pollfd* p; struct pollfd* p;
long i,r; long i,j,r;
if (!io_wanted_fds) return 0; if (!io_wanted_fds) return 0;
#ifdef HAVE_EPOLL
if (io_waitmode==EPOLL) {
int n;
struct epoll_event y[100];
if ((n=epoll_wait(io_master,y,100,milliseconds))==-1) return -1;
for (i=n-1; i>=0; --i) {
io_entry* e=array_get(&io_fds,sizeof(io_entry),y[i].data.fd);
if (e) {
if (y[i].events&EPOLLIN) {
e->canread=1;
e->next_read=first_readable;
first_readable=y[i].data.fd;
}
if (y[i].events&EPOLLOUT) {
e->canwrite=1;
e->next_write=first_writeable;
first_writeable=y[i].data.fd;
}
}
}
return n;
}
#endif
#ifdef HAVE_KQUEUE
if (io_waitmode==KQUEUE) {
struct kevent y[100];
int n;
struct timespec ts;
ts.tv_sec=milliseconds/1000; ts.tv_nsec=(milliseconds%1000)*1000000;
if ((n=kevent(io_master,0,0,y,100,&ts))==-1) return;
while (n>0) {
io_entry* e=array_get(&io_fds,sizeof io_entry,y[--n].ident);
if (e) {
if (y[n].filter==EVFILT_READ) {
e->canread=1;
e->next_read=first_readable;
first_readable=y[n].ident;
}
if (y[n].filter==EVFILT_WRITE) {
e->canwrite=1;
e->next_write=first_writeable;
first_writeable=y[i].ident;
}
}
}
}
#endif
for (i=r=0; i<array_length(&io_fds,sizeof(io_entry)); ++i) { for (i=r=0; i<array_length(&io_fds,sizeof(io_entry)); ++i) {
io_entry* e=array_get(&io_fds,sizeof(io_entry),i); io_entry* e=array_get(&io_fds,sizeof(io_entry),i);
if (!e) return -1; if (!e) return -1;
@ -29,7 +82,7 @@ again:
if (errno==EINTR) goto again; if (errno==EINTR) goto again;
return -1; return -1;
} }
for (i=r-1; i>=0; --i) { for (j=r-1; j>=0; --j) {
io_entry* e=array_get(&io_fds,sizeof(io_entry),p->fd); io_entry* e=array_get(&io_fds,sizeof(io_entry),p->fd);
if (p->revents&POLLIN) { if (p->revents&POLLIN) {
e->canread=1; e->canread=1;