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kbdfs: re-add emergency warp, now with gefs

--- a/sys/src/cmd/aux/kbdfs/kbdfs.c

+++ b/sys/src/cmd/aux/kbdfs/kbdfs.c

@@ -397,6 +397,31 @@

 }

 void

+emergencywarp(void)

+{

+	int fd;

+

+	if(debug)

+		return;

+

+	if(access("/srv/gefs.cmd", AEXIST) == 0 && (fd = eopen("/srv/gefs.cmd", OWRITE)) >= 0){

+		fprint(fd, "halt\n");

+		close(fd);

+	}

+	if(access("/srv/cwfs.cmd", AEXIST) == 0 && (fd = eopen("/srv/cwfs.cmd", OWRITE)) >= 0){

+		fprint(fd, "halt\n");

+		close(fd);

+	}

+	if(access("/srv/hjfs.cmd", AEXIST) == 0 && (fd = eopen("/srv/hjfs.cmd", OWRITE)) >= 0){

+		fprint(fd, "halt\n");

+		close(fd);

+	}

+	fprint(2, "emergency warp!\n");

+	sleep(3000);

+	reboot();

+}

+

+void

 shutdown(void)

 {

 	if(notefd >= 0)

@@ -474,6 +499,9 @@

 	if(scan->caps && key.r<='z' && key.r>='a')

 		key.r += 'A' - 'a';

+

+	if(scan->ctl && scan->altgr && key.r == Kdel)

+		emergencywarp();

 	if(scan->ctl && scan->alt && key.r == Kdel){

 		if(scan->shift)

-- 

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