From 8dcb18f71b1917713d4743ab10968c527acdc62e Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Sun, 19 Jan 2020 21:25:33 -0500
Subject: libthread: rm FreeBSD 4 code

Pretty sure FreeBSD 4 is gone now. :-)
---
 src/libthread/FreeBSD.c | 34 ----------------------------------
 1 file changed, 34 deletions(-)
 delete mode 100644 src/libthread/FreeBSD.c

(limited to 'src/libthread/FreeBSD.c')

diff --git a/src/libthread/FreeBSD.c b/src/libthread/FreeBSD.c
deleted file mode 100644
index 5c282465..00000000
--- a/src/libthread/FreeBSD.c
+++ /dev/null
@@ -1,34 +0,0 @@
-#include "threadimpl.h"
-
-#include "BSD.c"
-
-/*
- * FreeBSD 4 and earlier needs the context functions.
- */
-void
-makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
-{
-	int *sp;
-
-	sp = (int*)ucp->uc_stack.ss_sp+ucp->uc_stack.ss_size/4;
-	sp -= argc;
-	memmove(sp, &argc+1, argc*sizeof(int));
-	*--sp = 0;		/* return address */
-	ucp->uc_mcontext.mc_eip = (long)func;
-	ucp->uc_mcontext.mc_esp = (int)sp;
-}
-
-int
-swapcontext(ucontext_t *oucp, ucontext_t *ucp)
-{
-	if(getcontext(oucp) == 0)
-		setcontext(ucp);
-	return 0;
-}
-
-void
-_pthreadinit(void)
-{
-	__isthreaded = 1;
-	signal(SIGUSR2, sigusr2handler);
-}
-- 
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