From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_MSPIKE_H2, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 2296 invoked from network); 10 Aug 2022 13:05:37 -0000 Received: from second.openwall.net (193.110.157.125) by inbox.vuxu.org with ESMTPUTF8; 10 Aug 2022 13:05:37 -0000 Received: (qmail 32105 invoked by uid 550); 10 Aug 2022 13:05:33 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 32046 invoked from network); 10 Aug 2022 13:05:32 -0000 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.com; s=mail; t=1660136602; bh=olSPRAaSCTAqKSsEKoHnXV8hiUjKSNQ/woLN6YZiuyM=; h=Message-ID:Subject:To:From:Date; b=eEsMhtuPuJYXAismHn77P7gdErXtvY7UwSqAdzVxjBCf3zxUGLZmsVderwXcNsoWs 8AekGHqj0raLkWhDQZahv2E69Du7ctclHxXGkbh7bD2Jyz8AG2ymEGOteFj3ghD97k tqEQcMoRB6kh5/mhBUgXAk0DKKr7JetWY2DDTx6Q= Authentication-Results: myt6-654ec0a0ab93.qloud-c.yandex.net; dkim=pass header.i=@yandex.com Date: Wed, 10 Aug 2022 13:03:11 +0000 From: Guilherme Janczak To: musl@lists.openwall.com Message-ID: <20220810130311.dwk7zxwkz32igrdm@yandex.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Subject: [musl] [PATCH] add close_range() syscall wrapper close_range() is a syscall present in FreeBSD 8.0 and Linux 5.9. glibc 2.34 added a wrapper. --- include/unistd.h | 3 +++ src/linux/close_range.c | 8 ++++++++ 2 files changed, 11 insertions(+) create mode 100644 src/linux/close_range.c diff --git a/include/unistd.h b/include/unistd.h index 80be3b26..e4b8cbb1 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -161,6 +161,9 @@ unsigned ualarm(unsigned, unsigned); #define L_INCR 1 #define L_XTND 2 int brk(void *); +#define CLOSE_RANGE_UNSHARE 0x01 +#define CLOSE_RANGE_CLOEXEC 0x02 +int close_range(unsigned int, unsigned int, int); void *sbrk(intptr_t); pid_t vfork(void); int vhangup(void); diff --git a/src/linux/close_range.c b/src/linux/close_range.c new file mode 100644 index 00000000..4c5cd68c --- /dev/null +++ b/src/linux/close_range.c @@ -0,0 +1,8 @@ +#define _GNU_SOURCE +#include +#include "syscall.h" + +int close_range(unsigned int first, unsigned int last, int flags) +{ + return syscall(SYS_close_range, first, last, (unsigned int)flags); +} -- 2.35.1