shithub: Nail

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create procs in same note group

If Nail dies, it usually leaves some stray processes,
which makes closing the window impossible until they're
killed. When they're in the same note group, they should
all get killed as expected.

--- a/comp.c

+++ b/comp.c

@@ -48,7 +48,7 @@

 		sysfatal("pipe: %r\n");

 	c->sync = chancreate(sizeof(ulong), 0);

-	proccreate(execmarshal, c, Stack);

+	procrfork(execmarshal, c, Stack, RFNOTEG);

 	recvul(c->sync);

 	chanfree(c->sync);

 	close(c->fd[0]);

--- a/mbox.c

+++ b/mbox.c

@@ -796,7 +796,7 @@

 	wintagwrite(&mbox, "Put Delmesg Undelmesg Next ");

 	showlist();

 	fprint(mbox.ctl, "clean\n");

-	proccreate(eventread, nil, Stack);

+	procrfork(eventread, nil, Stack, RFNOTEG);

 	while(1){

 		switch(alt(a)){

 		case Cevent:

@@ -871,13 +871,13 @@

 	plumbshowmailfd = plumbopen("showmail", OREAD|OCEXEC);

 	mbload();

-	proccreate(plumbseemail, nil, Stack);

-	proccreate(plumbshowmail, nil, Stack);

+	procrfork(plumbseemail, nil, Stack, RFNOTEG);

+	procrfork(plumbshowmail, nil, Stack, RFNOTEG);

 	/* avoid duplicate sends when multiple mailboxes are open */

 	if(sender || strcmp(mailbox, "mbox") == 0){

 		plumbsendmailfd = plumbopen("sendmail", OREAD|OCEXEC);

-		proccreate(plumbsendmail, nil, Stack);

+		procrfork(plumbsendmail, nil, Stack, RFNOTEG);

 	}

 	threadcreate(execlog, nil, Stack);

 	threadcreate(mbmain, nil, Stack);

--- a/mesg.c

+++ b/mesg.c

@@ -208,7 +208,7 @@

 		sysfatal("pipe: %r");

 	m->sync = chancreate(sizeof(ulong), 0);

 	m->path = path;

-	proccreate(execfmt, m, Stack);

+	procrfork(execfmt, m, Stack, RFNOTEG);

 	recvul(m->sync);

 	chanfree(m->sync);

 	close(m->fd[1]);