code: 9ferno

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added getpid() required by genrandom()

--- a/include/kern.h

+++ b/include/kern.h

@@ -578,8 +578,8 @@

 extern	int	wstat(char*, char*);

 extern	ulong	rendezvous(ulong, ulong);

-extern	intptr	getpid(void);

-extern	intptr	getppid(void);

+extern	u32	getpid(void);

+extern	u32	getppid(void);

 extern	void	rerrstr(char*, uint);

 extern	char*	sysname(void);

 extern	void	werrstr(char*, ...);

--- a/libsec/port/genrandom.c

+++ b/libsec/port/genrandom.c

@@ -1,6 +1,8 @@

 #include "os.h"

 #include <libsec.h>

+extern	u32	getpid(void);

+

 static void

 init(Chachastate *cs)

 {

--- a/os/port/proc.c

+++ b/os/port/proc.c

@@ -827,3 +827,9 @@

 	kproc(s, rproc, r, KPDUP);

 	return r;

 }

+

+u32

+getpid(void)

+{

+	return up->pid;

+}