shithub: libacme

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don't hold some fds open. add function for opening file with bio

--- a/acme.h

+++ b/acme.h

@@ -11,10 +11,8 @@

 	int id;

 	int ctlfd;

-	int eventfd;

 	int addrfd;

 	int datafd;

-	int bodyfd;

 	Channel *eventc;

@@ -35,7 +33,9 @@

 	char text[AEventSz + 1];

 };

-int		awinfsopen(AWin *, char *, int);

+int			awinfsopen(AWin *, char *, int);

+Biobuf *	awinfsbopen(AWin *, char *, int);

+

 AWin *	awincreate(void);

 void	awinclose(AWin *);

--- a/event.c

+++ b/event.c

@@ -78,8 +78,7 @@

 	w = aux;

 	c = w->eventc;

-	bio = mallocz(sizeof(Biobuf), 1);

-	Binit(bio, w->eventfd, OREAD);

+	bio = awinfsbopen(w, "event", OREAD);

 	while(aeventnext(bio, &ev)) {

 		if(send(c, &ev) < 0) {

@@ -114,8 +113,14 @@

 void

 aeventsend(AWin *w, AEvent *ev)

 {

+	int fd;

+	

+	fd = awinfsopen(w, "event", OWRITE);

+	

 	if(ev->flags & 0x2)

-		fprint(w->eventfd, "%c%c%d %d\n", ev->origin, ev->type, ev->p, ev->p);

+		fprint(fd, "%c%c%d %d\n", ev->origin, ev->type, ev->p, ev->p);

 	else

-		fprint(w->eventfd, "%c%c%d %d\n", ev->origin, ev->type, ev->q0, ev->q1);

+		fprint(fd, "%c%c%d %d\n", ev->origin, ev->type, ev->q0, ev->q1);

+		

+	close(fd);

 }

--- a/window.c

+++ b/window.c

@@ -1,6 +1,7 @@

 #include <u.h>

 #include <libc.h>

 #include <thread.h>

+#include <bio.h>

 #include "acme.h"

@@ -19,6 +20,19 @@

 	return fd;

 }

+Biobuf *

+awinfsbopen(AWin *w, char *file, int mode)

+{

+	char buf[128];

+	Biobuf *fd;

+	

+	snprint(buf, sizeof(buf), "/mnt/wsys/%d/%s", w->id, file);

+	if((fd = Bopen(buf, mode)) == nil)

+		sysfatal("bopen %s: %r", file);

+		

+	return fd;

+}

+

 AWin *

 awincreate(void)

 {

@@ -33,7 +47,6 @@

 		sysfatal("read ctl: %r");

 	w->id = atoi(buf);

-	w->eventfd = awinfsopen(w, "event", ORDWR);

 	w->addrfd = awinfsopen(w, "addr", ORDWR);

 	w->datafd = awinfsopen(w, "data", ORDWR);

@@ -50,7 +63,6 @@

 	fprint(w->ctlfd, "delete");

-	close(w->eventfd);

 	close(w->addrfd);

 	close(w->datafd);

@@ -75,7 +87,6 @@

 	while(temp) {

 		fprint(temp->ctlfd, "delete");

-		close(temp->eventfd);

 		close(temp->addrfd);

 		close(temp->datafd);