From 1544f90960275dc9211bde30329c3258e0e1bf38 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sat, 25 Dec 2004 21:56:33 +0000
Subject: New thread library

---
 src/libthread/ucontext.c | 49 ------------------------------------------------
 1 file changed, 49 deletions(-)
 delete mode 100644 src/libthread/ucontext.c

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

diff --git a/src/libthread/ucontext.c b/src/libthread/ucontext.c
deleted file mode 100644
index 98e92ccf..00000000
--- a/src/libthread/ucontext.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include "threadimpl.h"
-
-static void
-launcher(void (*f)(void*), void *arg)
-{
-	f(arg);
-	threadexits(nil);
-}
-
-void
-_threadinitstack(Thread *t, void (*f)(void*), void *arg)
-{
-	sigset_t zero;
-
-	/* do a reasonable initialization */
-	memset(&t->context.uc, 0, sizeof t->context.uc);
-	sigemptyset(&zero);
-	sigprocmask(SIG_BLOCK, &zero, &t->context.uc.uc_sigmask);
-
-	/* call getcontext, because on Linux makecontext neglects floating point */
-	getcontext(&t->context.uc);
-
-	/* call makecontext to do the real work. */
-	/* leave a few words open on both ends */
-	t->context.uc.uc_stack.ss_sp = t->stk+8;
-	t->context.uc.uc_stack.ss_size = t->stksize-16;
-	makecontext(&t->context.uc, (void(*)())launcher, 2, f, arg);
-}
-
-void
-_threadinswitch(int enter)
-{
-	USED(enter);
-}
-
-void
-_threadstacklimit(void *bottom, void *top)
-{
-	USED(bottom);
-	USED(top);
-}
-
-void
-_swaplabel(Label *old, Label *new)
-{
-	if(swapcontext(&old->uc, &new->uc) < 0)
-		sysfatal("swapcontext: %r");
-}
-
-- 
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