libc: dont cache /dev/bintime filedescriptor for nsec()

1 files changed, 0 insertions, 38 deletions

diff --git a/sys/src/libc/9sys/time.c b/sys/src/libc/9sys/time.c
index 3e5f83b04..23ef3d1ba 100644
--- a/sys/src/libc/9sys/time.c
+++ b/sys/src/libc/9sys/time.c
@@ -1,50 +1,12 @@
 #include <u.h>
 #include <libc.h>
 
-
-/*
- *  After a fork with fd's copied, both fd's are pointing to
- *  the same Chan structure.  Since the offset is kept in the Chan
- *  structure, the seek's and read's in the two processes can
- *  compete at moving the offset around.  Hence the unusual loop
- *  in the middle of this routine.
- */
-static long
-oldtime(long *tp)
-{
-	char b[20];
-	static int f = -1;
-	int i, retries;
-	long t;
-
-	memset(b, 0, sizeof(b));
-	for(retries = 0; retries < 100; retries++){
-		if(f < 0)
-			f = open("/dev/time", OREAD|OCEXEC);
-		if(f < 0)
-			break;
-		if(seek(f, 0, 0) < 0 || (i = read(f, b, sizeof(b))) < 0){
-			close(f);
-			f = -1;
-		} else {
-			if(i != 0)
-				break;
-		}
-	}
-	t = atol(b);
-	if(tp)
-		*tp = t;
-	return t;
-}
-
 long
 time(long *tp)
 {
 	vlong t;
 
 	t = nsec()/1000000000LL;
-	if(t == 0)
-		t = oldtime(0);
 	if(tp != nil)
 		*tp = t;
 	return t;