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From: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	"libc-alpha@sourceware.org" <libc-alpha@sourceware.org>,
	Fangrui Song <maskray@google.com>
Subject: Re: [PATCH v3 4/4] Remove single-thread.h
Date: Tue, 5 Jul 2022 11:43:18 +0000	[thread overview]
Message-ID: <AM5PR0801MB16680CF1ACBBDE9031F8ABF883819@AM5PR0801MB1668.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20220621203225.714328-5-adhemerval.zanella@linaro.org>

 
> And move SINGLE_THREAD_P macro to sys/single_threaded.h.

LGTM

Cheers,
Wilco

---
 include/sys/single_threaded.h                 | 13 ++++++--
 sysdeps/generic/single-thread.h               | 25 ----------------
 sysdeps/mach/hurd/sysdep-cancel.h             |  5 ----
 sysdeps/unix/sysdep.h                         |  2 +-
 .../unix/sysv/linux/aarch64/single-thread.h   |  2 --
 sysdeps/unix/sysv/linux/arc/single-thread.h   |  2 --
 sysdeps/unix/sysv/linux/arm/single-thread.h   |  2 --
 sysdeps/unix/sysv/linux/hppa/single-thread.h  |  2 --
 .../sysv/linux/microblaze/single-thread.h     |  2 --
 sysdeps/unix/sysv/linux/s390/single-thread.h  |  2 --
 sysdeps/unix/sysv/linux/single-thread.h       | 30 -------------------
 .../unix/sysv/linux/x86_64/single-thread.h    |  2 --
 12 files changed, 11 insertions(+), 78 deletions(-)
 delete mode 100644 sysdeps/generic/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/aarch64/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/arc/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/arm/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/hppa/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/microblaze/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/s390/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/single-thread.h
 delete mode 100644 sysdeps/unix/sysv/linux/x86_64/single-thread.h

diff --git a/include/sys/single_threaded.h b/include/sys/single_threaded.h
index 2015742be0..f42e40547e 100644
--- a/include/sys/single_threaded.h
+++ b/include/sys/single_threaded.h
@@ -1,6 +1,7 @@
-#include <misc/sys/single_threaded.h>
+#ifndef __ASSEMBLER__
+# include <misc/sys/single_threaded.h>
 
-#ifndef _ISOMAC
+# ifndef _ISOMAC
 
 libc_hidden_proto_alias (__libc_single_threaded,
                          __libc_single_threaded_internal);
@@ -9,4 +10,10 @@ libc_hidden_proto_alias (__libc_single_threaded,
 # define __libc_single_threaded_internal __libc_single_threaded
 #endif
 
-#endif
+# define SINGLE_THREAD_P (__libc_single_threaded_internal != 0)
+
+# define RTLD_SINGLE_THREAD_P SINGLE_THREAD_P
+
+# endif
+
+#endif /* __ASSEMBLER__ */
diff --git a/sysdeps/generic/single-thread.h b/sysdeps/generic/single-thread.h
deleted file mode 100644
index 7f8222b38a..0000000000
--- a/sysdeps/generic/single-thread.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* Single thread optimization, generic version.
-   Copyright (C) 2019-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _SINGLE_THREAD_H
-#define _SINGLE_THREAD_H
-
-#define SINGLE_THREAD_P (0)
-#define RTLD_SINGLE_THREAD_P (0)
-
-#endif /* _SINGLE_THREAD_H  */
diff --git a/sysdeps/mach/hurd/sysdep-cancel.h b/sysdeps/mach/hurd/sysdep-cancel.h
index 669c17151a..9311367ab9 100644
--- a/sysdeps/mach/hurd/sysdep-cancel.h
+++ b/sysdeps/mach/hurd/sysdep-cancel.h
@@ -6,11 +6,6 @@ void __pthread_disable_asynccancel (int oldtype);
 #pragma weak __pthread_enable_asynccancel
 #pragma weak __pthread_disable_asynccancel
 
-/* Always multi-thread (since there's at least the sig handler), but no
-   handling enabled.  */
-#define SINGLE_THREAD_P (0)
-#define RTLD_SINGLE_THREAD_P (0)
-
 #define LIBC_CANCEL_ASYNC() ({ \
         int __cancel_oldtype = 0; \
         if (__pthread_enable_asynccancel) \
diff --git a/sysdeps/unix/sysdep.h b/sysdeps/unix/sysdep.h
index a1d9df4c73..a8abecb92b 100644
--- a/sysdeps/unix/sysdep.h
+++ b/sysdeps/unix/sysdep.h
@@ -16,7 +16,7 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <sysdeps/generic/sysdep.h>
-#include <single-thread.h>
+#include <sys/single_threaded.h>
 #include <sys/syscall.h>
 #define HAVE_SYSCALLS
 
diff --git a/sysdeps/unix/sysv/linux/aarch64/single-thread.h b/sysdeps/unix/sysv/linux/aarch64/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/aarch64/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
diff --git a/sysdeps/unix/sysv/linux/arc/single-thread.h b/sysdeps/unix/sysv/linux/arc/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/arc/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
diff --git a/sysdeps/unix/sysv/linux/arm/single-thread.h b/sysdeps/unix/sysv/linux/arm/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/arm/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
diff --git a/sysdeps/unix/sysv/linux/hppa/single-thread.h b/sysdeps/unix/sysv/linux/hppa/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/hppa/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
diff --git a/sysdeps/unix/sysv/linux/microblaze/single-thread.h b/sysdeps/unix/sysv/linux/microblaze/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/microblaze/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
diff --git a/sysdeps/unix/sysv/linux/s390/single-thread.h b/sysdeps/unix/sysv/linux/s390/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/s390/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
diff --git a/sysdeps/unix/sysv/linux/single-thread.h b/sysdeps/unix/sysv/linux/single-thread.h
deleted file mode 100644
index 2099848cf3..0000000000
--- a/sysdeps/unix/sysv/linux/single-thread.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Single thread optimization, Linux version.
-   Copyright (C) 2019-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _SINGLE_THREAD_H
-#define _SINGLE_THREAD_H
-
-#ifndef __ASSEMBLER__
-# include <sys/single_threaded.h>
-#endif
-
-#define SINGLE_THREAD_P (__libc_single_threaded_internal != 0)
-
-#define RTLD_SINGLE_THREAD_P SINGLE_THREAD_P
-
-#endif /* _SINGLE_THREAD_H  */
diff --git a/sysdeps/unix/sysv/linux/x86_64/single-thread.h b/sysdeps/unix/sysv/linux/x86_64/single-thread.h
deleted file mode 100644
index a5d3a2aaf4..0000000000
--- a/sysdeps/unix/sysv/linux/x86_64/single-thread.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define SINGLE_THREAD_BY_GLOBAL
-#include_next <single-thread.h>
-- 
2.34.1

      reply	other threads:[~2022-07-05 11:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-21 20:32 [PATCH v3 0/4] Simplify internal single-threaded usage Adhemerval Zanella
2022-06-21 20:32 ` [PATCH v3 1/4] misc: Optimize internal usage of __libc_single_threaded Adhemerval Zanella
2022-06-23  4:15   ` Fangrui Song
2022-06-23 14:05     ` Adhemerval Zanella
2022-06-21 20:32 ` [PATCH v3 2/4] Replace __libc_multiple_threads with __libc_single_threaded Adhemerval Zanella
2022-06-22 11:04   ` Yann Droneaud
2022-06-22 12:24     ` Adhemerval Zanella
2022-06-22 13:53       ` Yann Droneaud
2022-07-05 11:34   ` Wilco Dijkstra
2022-06-21 20:32 ` [PATCH v3 3/4] Remove usage of TLS_MULTIPLE_THREADS_IN_TCB Adhemerval Zanella
2022-06-21 20:32 ` [PATCH v3 4/4] Remove single-thread.h Adhemerval Zanella
2022-07-05 11:43   ` Wilco Dijkstra [this message]

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