From 952c561c3670d6facaf19147a26dfe5989efbe07 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 16 Oct 2020 18:59:00 -0700
Subject: [PATCH] remove SFONCE() no-op

---
 lib/sfio/sfhdr.h    | 2 --
 lib/sfio/sfmode.c   | 2 --
 lib/sfio/sfnew.c    | 2 --
 lib/sfio/sfsetbuf.c | 2 --
 4 files changed, 8 deletions(-)

diff --git a/lib/sfio/sfhdr.h b/lib/sfio/sfhdr.h
index 179de33f6..b325f95a8 100644
--- a/lib/sfio/sfhdr.h
+++ b/lib/sfio/sfhdr.h
@@ -87,8 +87,6 @@ extern "C" {
 #undef SF_MTSAFE		/* no need to worry about thread-safety */
 #define SF_MTSAFE		0
 
-#define SFONCE()		(void)(0)
-
 #define SFMTXLOCK(f)		(void)(0)
 #define SFMTXUNLOCK(f)		(void)(0)
 #define SFMTXSTART(f,v)		{ if(!f) return(v); }
diff --git a/lib/sfio/sfmode.c b/lib/sfio/sfmode.c
index b092b249a..d673e49e7 100644
--- a/lib/sfio/sfmode.c
+++ b/lib/sfio/sfmode.c
@@ -300,8 +300,6 @@ int _sfmode(Sfio_t * f, int wanted, int local)
     Sfoff_t addr;
     int rv = 0;
 
-    SFONCE();			/* initialize mutexes */
-
     if ((!local && SFFROZEN(f))
 	|| (!(f->flags & SF_STRING) && f->file < 0)) {
 	if (local || !f->disc || !f->disc->exceptf) {
diff --git a/lib/sfio/sfnew.c b/lib/sfio/sfnew.c
index 2f90746db..42bb62d30 100644
--- a/lib/sfio/sfnew.c
+++ b/lib/sfio/sfnew.c
@@ -33,8 +33,6 @@ Sfio_t *sfnew(Sfio_t * oldf, void * buf, size_t size, int file,
     Sfio_t *f;
     int sflags;
 
-    SFONCE();			/* initialize mutexes */
-
     if (!(flags & SF_RDWR))
 	return NIL(Sfio_t *);
 
diff --git a/lib/sfio/sfsetbuf.c b/lib/sfio/sfsetbuf.c
index cf2090d4b..183b5833a 100644
--- a/lib/sfio/sfsetbuf.c
+++ b/lib/sfio/sfsetbuf.c
@@ -63,8 +63,6 @@ void *sfsetbuf(Sfio_t * f, void * buf, size_t size)
     int oflags, init, local;
     Stat_t st;
 
-    SFONCE();
-
     SFMTXSTART(f, NIL(void *));
 
     GETLOCAL(f, local);
-- 
2.40.0