[src/trunk]: src/lib/libpthread Revert previous

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8446fd14de49
branches:  trunk
changeset: 968940:8446fd14de49
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sat Feb 01 18:14:16 2020 +0000

description:
Revert previous

'git grep' breaks now.

diffstat:

 lib/libc/gen/pthread_atfork.c  |  23 +++++------------------
 lib/libpthread/pthread_mutex.c |   9 ++++++---
 2 files changed, 11 insertions(+), 21 deletions(-)

diffs (107 lines):

diff -r e42a2ffa48f9 -r 8446fd14de49 lib/libc/gen/pthread_atfork.c
--- a/lib/libc/gen/pthread_atfork.c     Sat Feb 01 15:39:56 2020 +0000
+++ b/lib/libc/gen/pthread_atfork.c     Sat Feb 01 18:14:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread_atfork.c,v 1.11 2020/02/01 15:38:46 kamil Exp $        */
+/*     $NetBSD: pthread_atfork.c,v 1.12 2020/02/01 18:14:16 kamil Exp $        */
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -31,17 +31,15 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: pthread_atfork.c,v 1.11 2020/02/01 15:38:46 kamil Exp $");
+__RCSID("$NetBSD: pthread_atfork.c,v 1.12 2020/02/01 18:14:16 kamil Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include "namespace.h"
 
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/queue.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <sys/queue.h>
 #include "reentrant.h"
 
 #ifdef __weak_alias
@@ -75,22 +73,11 @@
 static struct atfork_callback *
 af_alloc(void)
 {
-       void *arena;
-       size_t sz;
 
        if (atfork_builtin.fn == NULL)
                return &atfork_builtin;
 
-       /*
-        * Avoid using here malloc() as this function is used on early init
-        * and can prematuraly initialize the malloc library.
-        * malloc() allocations here also confuse the LLVM Leak Sanitizer.
-        */
-       sz = sizeof(atfork_builtin);
-       arena = mmap(NULL, sz, PROT_READ|PROT_WRITE, MAP_ANON, -1, 0);
-       if (arena == MAP_FAILED)
-               return NULL;
-       return arena;
+       return malloc(sizeof(atfork_builtin));
 }
 
 static void
@@ -98,7 +85,7 @@
 {
 
        if (af != &atfork_builtin)
-               munmap(af, sizeof(atfork_builtin));
+               free(af);
 }
 
 int
diff -r e42a2ffa48f9 -r 8446fd14de49 lib/libpthread/pthread_mutex.c
--- a/lib/libpthread/pthread_mutex.c    Sat Feb 01 15:39:56 2020 +0000
+++ b/lib/libpthread/pthread_mutex.c    Sat Feb 01 18:14:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread_mutex.c,v 1.73 2020/02/01 15:39:56 kamil Exp $ */
+/*     $NetBSD: pthread_mutex.c,v 1.74 2020/02/01 18:14:16 kamil Exp $ */
 
 /*-
  * Copyright (c) 2001, 2003, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -47,7 +47,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: pthread_mutex.c,v 1.73 2020/02/01 15:39:56 kamil Exp $");
+__RCSID("$NetBSD: pthread_mutex.c,v 1.74 2020/02/01 18:14:16 kamil Exp $");
 
 #include <sys/types.h>
 #include <sys/lwpctl.h>
@@ -122,12 +122,14 @@
 {
        uintptr_t type, proto, val, ceil;
 
+#if 0
        /*
         * Always initialize the mutex structure, maybe be used later
         * and the cost should be minimal.
         */
        if (__predict_false(__uselibcstub))
                return __libc_mutex_init_stub(ptm, attr);
+#endif
 
        pthread__error(EINVAL, "Invalid mutes attribute",
            attr == NULL || attr->ptma_magic == _PT_MUTEXATTR_MAGIC);
@@ -617,9 +619,10 @@
 int
 pthread_mutexattr_init(pthread_mutexattr_t *attr)
 {
-
+#if 0
        if (__predict_false(__uselibcstub))
                return __libc_mutexattr_init_stub(attr);
+#endif
 
        attr->ptma_magic = _PT_MUTEXATTR_MAGIC;
        attr->ptma_private = (void *)PTHREAD_MUTEX_DEFAULT;