9os

commit cad6df452f1b93bf6ce2fea5bd02725981f7b7b2
parent edbf49894b0b94bbbd67b229fe6a270559e681ce
Author: Roberto E. Vargas Caballero <roberto.vargas@midokura.com>
Date:   Fri, 18 Nov 2022 11:51:01 +0100

os9: Return child pid in rfork()

Rfork must return to the parent the pid of the child
and it allows the code to differentiate between both
cases.

Diffstat:
M
src/os9/proc.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/os9/proc.c b/src/os9/proc.c
@@ -367,6 +367,7 @@ err:
 int
 rfork(int flags)
 {
+	int pid;
 	Task *tp;
 	Nspace *ns;
 	Fdset *fds;
@@ -431,10 +432,11 @@ rfork(int flags)
 		tp->data = data;
 	}
 
+	pid = tp->pid;
 	if (flags & RFPROC)
 		unlocktask(tp);
 
-	return 0;
+	return pid;
 
 err:
 	if (data)