From patchwork Thu Sep 14 16:01:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13385670 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F618EEAA53 for ; Thu, 14 Sep 2023 16:02:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241739AbjINQCM (ORCPT ); Thu, 14 Sep 2023 12:02:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241659AbjINQCA (ORCPT ); Thu, 14 Sep 2023 12:02:00 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [IPv6:2a01:4f8:c010:41de::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49014271E; Thu, 14 Sep 2023 09:01:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1694707293; bh=9Dr/Qlwz9Z5VVtmbM8JisJIKlg1q6mK4mMaDaT8aZHA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=fQaMl0ZADkTcn1qLdesYc0JElUD9GU3vjgALM2c2J2mMVoWd0UxMkI4DTYNLV6u71 N/euTGpE0aCdUp0gXHiuUqU+DXM1U0oq5wlWc4hq/C+9whepDaEWRX8wla4vJnezGV hLGAFnCFKk+1Kvk3qK+d/aFnNWNHlinSmp956LPU= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Thu, 14 Sep 2023 18:01:17 +0200 Subject: [PATCH 1/4] selftests/nolibc: allow building i386 with multiarch compiler MIME-Version: 1.0 Message-Id: <20230914-nolibc-syscall-nr-v1-1-e50df410da11@weissschuh.net> References: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> In-Reply-To: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> To: Willy Tarreau , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1694707292; l=915; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=9Dr/Qlwz9Z5VVtmbM8JisJIKlg1q6mK4mMaDaT8aZHA=; b=4hV3jmCa9Owq/qDwKo7tLD8BIPuEx78VNy7e+gUuEGgiBDFvmAUaNjzfTv12ywRmmXc39/n+P t1qzu7r4eSGA1L3Bu5s4gUucQV1Iy2C30Ct+vTxX9WnaFcRJ9QUf+Yd X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org When building with a multiarch-capable compiler, like those provided by common distributions the -m32 argument is required to build 32bit code. Wrap it in cc-option in case the compiler is not multiarch-capable. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau --- tools/testing/selftests/nolibc/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile index 689658f81a19..19096a9ded55 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -113,6 +113,7 @@ else Q=@ endif +CFLAGS_i386 = $(call cc-option,-m32) CFLAGS_ppc = -m32 -mbig-endian -mno-vsx $(call cc-option,-mmultiple) CFLAGS_ppc64 = -m64 -mbig-endian -mno-vsx $(call cc-option,-mmultiple) CFLAGS_ppc64le = -m64 -mlittle-endian -mno-vsx $(call cc-option,-mabi=elfv2) From patchwork Thu Sep 14 16:01:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13385672 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46DE3EEAA54 for ; Thu, 14 Sep 2023 16:02:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241687AbjINQCN (ORCPT ); Thu, 14 Sep 2023 12:02:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241675AbjINQCA (ORCPT ); Thu, 14 Sep 2023 12:02:00 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 385682726; Thu, 14 Sep 2023 09:01:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1694707293; bh=rklkaKmuEop2mkqsY9+prLbWDx4KQ6pug1wWbwN/pUU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=l0Q201ayEAQrclQ0up4pYQXtSYdkzEK6uNrRoR2Ydz94iDRpFdRko733hWRKljKnX ek6mnVsHkN6wTlz9/mww7YXQUCAYev+O1cs3rkGQ/+0U4BHjqbkFa6enJpUr0UJXSr m4iTLUZQUUJE93+vAqr0qmdRE9D8GGyIxx+th+Tc= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Thu, 14 Sep 2023 18:01:18 +0200 Subject: [PATCH 2/4] tools/nolibc: avoid unused parameter warnings for ENOSYS fallbacks MIME-Version: 1.0 Message-Id: <20230914-nolibc-syscall-nr-v1-2-e50df410da11@weissschuh.net> References: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> In-Reply-To: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> To: Willy Tarreau , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1694707292; l=3290; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=rklkaKmuEop2mkqsY9+prLbWDx4KQ6pug1wWbwN/pUU=; b=3ASFNj+C1ZmK459CmYHIr9/+BQymJpv0Mz8eFVb1MBFyHEdV/HJa8qwuKaUDzvCrAjBT06SAh 2EY0avaf7rvCgBGFJj+0E3x0xKlFz9hy/NC6XYAJ7QBGapHZ5vh9TUM X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org The ENOSYS fallback code does not use its functions parameters. This can lead to compiler warnings about unused parameters. Explicitly avoid these warnings. Signed-off-by: Thomas Weißschuh --- tools/include/nolibc/sys.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index b478750c9004..bc56310c6bdf 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -133,6 +133,8 @@ int sys_chmod(const char *path, mode_t mode) #elif defined(__NR_chmod) return my_syscall2(__NR_chmod, path, mode); #else + (void)path; + (void)mode; return -ENOSYS; #endif } @@ -156,6 +158,9 @@ int sys_chown(const char *path, uid_t owner, gid_t group) #elif defined(__NR_chown) return my_syscall3(__NR_chown, path, owner, group); #else + (void)path; + (void)owner; + (void)group; return -ENOSYS; #endif } @@ -230,6 +235,8 @@ int sys_dup2(int old, int new) #elif defined(__NR_dup2) return my_syscall2(__NR_dup2, old, new); #else + (void)old; + (void)new; return -ENOSYS; #endif } @@ -486,6 +493,8 @@ int sys_gettimeofday(struct timeval *tv, struct timezone *tz) #ifdef __NR_gettimeofday return my_syscall2(__NR_gettimeofday, tv, tz); #else + (void)tv; + (void)tz; return -ENOSYS; #endif } @@ -563,6 +572,8 @@ int sys_link(const char *old, const char *new) #elif defined(__NR_link) return my_syscall2(__NR_link, old, new); #else + (void)old; + (void)new; return -ENOSYS; #endif } @@ -584,6 +595,9 @@ off_t sys_lseek(int fd, off_t offset, int whence) #ifdef __NR_lseek return my_syscall3(__NR_lseek, fd, offset, whence); #else + (void)fd; + (void)offset; + (void)whence; return -ENOSYS; #endif } @@ -607,6 +621,8 @@ int sys_mkdir(const char *path, mode_t mode) #elif defined(__NR_mkdir) return my_syscall2(__NR_mkdir, path, mode); #else + (void)path; + (void)mode; return -ENOSYS; #endif } @@ -629,6 +645,7 @@ int sys_rmdir(const char *path) #elif defined(__NR_unlinkat) return my_syscall3(__NR_unlinkat, AT_FDCWD, path, AT_REMOVEDIR); #else + (void)path; return -ENOSYS; #endif } @@ -652,6 +669,9 @@ long sys_mknod(const char *path, mode_t mode, dev_t dev) #elif defined(__NR_mknod) return my_syscall3(__NR_mknod, path, mode, dev); #else + (void)path; + (void)mode; + (void)dev; return -ENOSYS; #endif } @@ -742,6 +762,9 @@ int sys_open(const char *path, int flags, mode_t mode) #elif defined(__NR_open) return my_syscall3(__NR_open, path, flags, mode); #else + (void)path; + (void)flags; + (void)mode; return -ENOSYS; #endif } @@ -842,6 +865,9 @@ int sys_poll(struct pollfd *fds, int nfds, int timeout) #elif defined(__NR_poll) return my_syscall3(__NR_poll, fds, nfds, timeout); #else + (void)fds; + (void)nfds; + (void)timeout; return -ENOSYS; #endif } @@ -934,6 +960,11 @@ int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeva #endif return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); #else + (void)nfds; + (void)rfds; + (void)wfds; + (void)efds; + (void)timeout; return -ENOSYS; #endif } From patchwork Thu Sep 14 16:01:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13385673 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8761CEEAA52 for ; Thu, 14 Sep 2023 16:02:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241405AbjINQCQ (ORCPT ); Thu, 14 Sep 2023 12:02:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241679AbjINQCB (ORCPT ); Thu, 14 Sep 2023 12:02:01 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [IPv6:2a01:4f8:c010:41de::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39953272A; Thu, 14 Sep 2023 09:01:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1694707293; bh=Cu53Z9oyo5nGu95h1+MArmP5k33gYn4AQCWOgwsV/Ac=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=nJXJ1xXHesT1KczhMwLWfm4v2NTSTPtV6KAFS2C4/pVvhrkdw5iJnNuZPfzcNH81X EtTjjm+ZcV9Z7OFkbIZxH8hQi/WlF1z44FUARs5NxJ4SAmGq+cjERWC0zZPVi655jx B+V7D+nxIi6ovzre3715c/cC7TfgIxPeombwOIp4= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Thu, 14 Sep 2023 18:01:19 +0200 Subject: [PATCH 3/4] tools/nolibc: don't define new syscall number MIME-Version: 1.0 Message-Id: <20230914-nolibc-syscall-nr-v1-3-e50df410da11@weissschuh.net> References: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> In-Reply-To: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> To: Willy Tarreau , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1694707292; l=1227; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=Cu53Z9oyo5nGu95h1+MArmP5k33gYn4AQCWOgwsV/Ac=; b=gJVRysrB+1Fm++kEZkA6QvwJaFYmt27QWy1msKjd+eJjR2FaQgck9iIwYB4bxpA6by3xzT2p2 PzfnrKof6pvBVVTgIWWtMX9cfqisWMmTH2n3Am9bIT64PWNQbOqeho2 X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org All symbols created by nolibc are also visible to user code. Syscall constants are expected to come from the kernel headers and should not be made up by nolibc. Refactor the logic to avoid defining syscall numbers. Also the new code is easier to understand. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau --- tools/include/nolibc/sys.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index bc56310c6bdf..d96f2aa7d987 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -954,11 +954,10 @@ int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeva t.tv_nsec = timeout->tv_usec * 1000; } return my_syscall6(__NR_pselect6, nfds, rfds, wfds, efds, timeout ? &t : NULL, NULL); -#elif defined(__NR__newselect) || defined(__NR_select) -#ifndef __NR__newselect -#define __NR__newselect __NR_select -#endif +#elif defined(__NR__newselect) return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); +#elif defined(__NR_select) + return my_syscall5(__NR_select, nfds, rfds, wfds, efds, timeout); #else (void)nfds; (void)rfds; From patchwork Thu Sep 14 16:01:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13385671 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90648EEAA56 for ; Thu, 14 Sep 2023 16:02:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241745AbjINQCO (ORCPT ); Thu, 14 Sep 2023 12:02:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241677AbjINQCB (ORCPT ); Thu, 14 Sep 2023 12:02:01 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 390F32728; Thu, 14 Sep 2023 09:01:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1694707293; bh=zl3Xj+oQp2Dr3MQfACk4EonlZTHBYeQ+nfTgGzZOwVE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Y4CgCkNksk2J13ulVehJe/Ytv0sKK+LNKe/GNZXCdeZIMaFoGW9OlGrjttaz0ylS7 8g4puMZEVbV9XFppWL5QlcvofBOAiR5tgNLSdD9NuZ2Pm7iohQOcRlAjM7DXz6bvSU /5r2kwjn23Ssc99K6I0h63VzuV3TANTgNMTVA9vo= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Thu, 14 Sep 2023 18:01:20 +0200 Subject: [PATCH 4/4] tools/nolibc: automatically detect necessity to use pselect6 MIME-Version: 1.0 Message-Id: <20230914-nolibc-syscall-nr-v1-4-e50df410da11@weissschuh.net> References: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> In-Reply-To: <20230914-nolibc-syscall-nr-v1-0-e50df410da11@weissschuh.net> To: Willy Tarreau , Paul Walmsley , Palmer Dabbelt , Albert Ou , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1694707292; l=3914; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=zl3Xj+oQp2Dr3MQfACk4EonlZTHBYeQ+nfTgGzZOwVE=; b=F8EbEV7tGvVpu68Qr3EK6RIfDob0u0Yj2Wok7lOtDs9Z1s+WoEBEmIuIiU5hgIybWgIAnW2VT o284s51I2qYDdkhTq5ZYHZcd9Vboi/EkkwezL5N2eZpLKzuMwT1pykA X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org We can automatically detect if pselect6 is needed or not from the kernel headers. This removes the need to manually specify it. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau --- tools/include/nolibc/arch-aarch64.h | 3 --- tools/include/nolibc/arch-loongarch.h | 4 +--- tools/include/nolibc/arch-riscv.h | 3 --- tools/include/nolibc/sys.h | 10 +++++----- 4 files changed, 6 insertions(+), 14 deletions(-) diff --git a/tools/include/nolibc/arch-aarch64.h b/tools/include/nolibc/arch-aarch64.h index 6c33c46848e3..b23ac1f04035 100644 --- a/tools/include/nolibc/arch-aarch64.h +++ b/tools/include/nolibc/arch-aarch64.h @@ -20,10 +20,7 @@ * - the arguments are cast to long and assigned into the target registers * which are then simply passed as registers to the asm code, so that we * don't have to experience issues with register constraints. - * - * On aarch64, select() is not implemented so we have to use pselect6(). */ -#define __ARCH_WANT_SYS_PSELECT6 #define my_syscall0(num) \ ({ \ diff --git a/tools/include/nolibc/arch-loongarch.h b/tools/include/nolibc/arch-loongarch.h index bf98f6220195..3f8ef8f86c0f 100644 --- a/tools/include/nolibc/arch-loongarch.h +++ b/tools/include/nolibc/arch-loongarch.h @@ -19,10 +19,8 @@ * - the arguments are cast to long and assigned into the target * registers which are then simply passed as registers to the asm code, * so that we don't have to experience issues with register constraints. - * - * On LoongArch, select() is not implemented so we have to use pselect6(). */ -#define __ARCH_WANT_SYS_PSELECT6 + #define _NOLIBC_SYSCALL_CLOBBERLIST \ "memory", "$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7", "$t8" diff --git a/tools/include/nolibc/arch-riscv.h b/tools/include/nolibc/arch-riscv.h index 950cc2283fd7..1927c643c739 100644 --- a/tools/include/nolibc/arch-riscv.h +++ b/tools/include/nolibc/arch-riscv.h @@ -19,10 +19,7 @@ * - the arguments are cast to long and assigned into the target * registers which are then simply passed as registers to the asm code, * so that we don't have to experience issues with register constraints. - * - * On riscv, select() is not implemented so we have to use pselect6(). */ -#define __ARCH_WANT_SYS_PSELECT6 #define my_syscall0(num) \ ({ \ diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index d96f2aa7d987..dbf5cc92181b 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -946,7 +946,11 @@ int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeva struct timeval *t; } arg = { .n = nfds, .r = rfds, .w = wfds, .e = efds, .t = timeout }; return my_syscall1(__NR_select, &arg); -#elif defined(__ARCH_WANT_SYS_PSELECT6) && defined(__NR_pselect6) +#elif defined(__NR__newselect) + return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); +#elif defined(__NR_select) + return my_syscall5(__NR_select, nfds, rfds, wfds, efds, timeout); +#elif defined(__NR_pselect6) struct timespec t; if (timeout) { @@ -954,10 +958,6 @@ int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeva t.tv_nsec = timeout->tv_usec * 1000; } return my_syscall6(__NR_pselect6, nfds, rfds, wfds, efds, timeout ? &t : NULL, NULL); -#elif defined(__NR__newselect) - return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout); -#elif defined(__NR_select) - return my_syscall5(__NR_select, nfds, rfds, wfds, efds, timeout); #else (void)nfds; (void)rfds;