shithub: riscv

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aux/listen: rfork with RFREND

child processes handling the connection should be all
independent of each another and not share rendezvous
group. the rendezvous group sharing caused a bug in
exportfs when we switched from using pid to memory
address as rendezvous tag.

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

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

@@ -456,7 +456,7 @@

 		/*

 		 *  start a subprocess for the connection

 		 */

-		switch(rfork(RFFDG|RFPROC|RFMEM|RFENVG|RFNAMEG|RFNOTEG|nowait)){

+		switch(rfork(RFFDG|RFPROC|RFMEM|RFENVG|RFNAMEG|RFNOTEG|RFREND|nowait)){

 		case -1:

 			reject(nctl, ndir, "host overloaded");

 			close(nctl);

--- a/sys/src/cmd/aux/listen1.c

+++ b/sys/src/cmd/aux/listen1.c

@@ -118,7 +118,7 @@

 		if(nctl < 0)

 			sysfatal("listen %s: %r", argv[0]);

-		switch(rfork(RFFDG|RFPROC|RFMEM|RFENVG|RFNAMEG|RFNOTEG|nowait)){

+		switch(rfork(RFFDG|RFPROC|RFMEM|RFENVG|RFNAMEG|RFNOTEG|RFREND|nowait)){

 		case -1:

 			reject(nctl, ndir, "host overloaded");

 			close(nctl);