From a77fd25d909aade802f49d206d4822798c563efe Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sat, 23 Nov 2024 17:37:07 +0000
Subject: [PATCH] gefs: remove nokill code

After discussion, it was suggested that it might make more
sense to handle the noswap stuff outside of gefs, like
with any other fileserver.

plan9 file-servers are not privileged. one might even run
them in a test script to mount an image.
---
 rc/bin/cpurc            |  2 +-
 rc/bin/termrc           |  2 +-
 sys/src/cmd/gefs/main.c | 19 -------------------
 3 files changed, 2 insertions(+), 21 deletions(-)

diff --git a/rc/bin/cpurc b/rc/bin/cpurc
index 5719e24eb..bb266cd41 100755
--- a/rc/bin/cpurc
+++ b/rc/bin/cpurc
@@ -118,4 +118,4 @@ if(test -e /cfg/$sysname/cpustart)
 
 # mode of /proc/*/ctl is inherited across rfork, and sets modes on
 # other /proc files, such as note, so let listen be killed.
-dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'
+dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|gefs|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'
diff --git a/rc/bin/termrc b/rc/bin/termrc
index f9dc81b10..2505ab0d8 100755
--- a/rc/bin/termrc
+++ b/rc/bin/termrc
@@ -96,4 +96,4 @@ if(~ $terminal *reform*){
 	reform/audio
 }
 
-dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'
+dontkill '^(9660srv|cfs|cs|cwfs.*|disk|dns|dossrv|ether|factotum|gefs|hjfs|ipconfig|kb|kfs|mntgen|paqfs|reboot|usbd|venti|wpa)$'
diff --git a/sys/src/cmd/gefs/main.c b/sys/src/cmd/gefs/main.c
index ac0f9192c..ecec24885 100644
--- a/sys/src/cmd/gefs/main.c
+++ b/sys/src/cmd/gefs/main.c
@@ -47,23 +47,6 @@ _trace(char *msg, Bptr bp, vlong v0, vlong v1)
 	t->v1 = v1;
 }
 
-static void
-nokill(void)
-{
-	char buf[128];
-	int fd;
-
-	snprint(buf, sizeof(buf), "/proc/%d/ctl", getpid());
-	if((fd = open(buf, OWRITE)) == -1){
-		fprint(2, "nokill: open %s: %r", buf);
-		return;
-	}
-	if(fprint(fd, "noswap\n") == -1){
-		fprint(2, "nokill: write %s: %r", buf);
-		return;
-	}
-}
-
 static uvlong
 memsize(void)
 {
@@ -216,7 +199,6 @@ launch(void (*f)(int, void *), void *arg, char *text)
 	if (pid < 0)
 		sysfatal("can't fork: %r");
 	if (pid == 0) {
-		nokill();
 		id = aincl(&fs->nworker, 1);
 		if((*errctx = mallocz(sizeof(Errctx), 1)) == nil)
 			sysfatal("malloc: %r");
@@ -408,7 +390,6 @@ main(int argc, char **argv)
 	}
 
 	rfork(RFNOTEG);
-	nokill();
 	loadfs(dev);
 	fs->wrchan = mkchan(32);
 	fs->admchan = mkchan(32);