From owner-svn-src-stable@FreeBSD.ORG Thu May 9 18:38:50 2013 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 4012EF96; Thu, 9 May 2013 18:38:50 +0000 (UTC) (envelope-from trociny@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) by mx1.freebsd.org (Postfix) with ESMTP id 1872BB6E; Thu, 9 May 2013 18:38:50 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.6/8.14.6) with ESMTP id r49Icnm4087717; Thu, 9 May 2013 18:38:49 GMT (envelope-from trociny@svn.freebsd.org) Received: (from trociny@localhost) by svn.freebsd.org (8.14.6/8.14.5/Submit) id r49IcnF7087713; Thu, 9 May 2013 18:38:49 GMT (envelope-from trociny@svn.freebsd.org) Message-Id: <201305091838.r49IcnF7087713@svn.freebsd.org> From: Mikolaj Golub Date: Thu, 9 May 2013 18:38:49 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r250416 - in stable/9/sys: kern sys X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 May 2013 18:38:50 -0000 Author: trociny Date: Thu May 9 18:38:49 2013 New Revision: 250416 URL: http://svnweb.freebsd.org/changeset/base/250416 Log: MFC r249488: Similarly to proc_getargv() and proc_getenvv(), export proc_getauxv() to be able to reuse the code. Modified: stable/9/sys/kern/kern_proc.c stable/9/sys/sys/proc.h Directory Properties: stable/9/sys/ (props changed) stable/9/sys/sys/ (props changed) Modified: stable/9/sys/kern/kern_proc.c ============================================================================== --- stable/9/sys/kern/kern_proc.c Thu May 9 17:25:29 2013 (r250415) +++ stable/9/sys/kern/kern_proc.c Thu May 9 18:38:49 2013 (r250416) @@ -1760,6 +1760,27 @@ proc_getenvv(struct thread *td, struct p return (get_ps_strings(curthread, p, sb, PROC_ENV)); } +int +proc_getauxv(struct thread *td, struct proc *p, struct sbuf *sb) +{ + size_t vsize, size; + char **auxv; + int error; + + error = get_proc_vector(td, p, &auxv, &vsize, PROC_AUX); + if (error == 0) { +#ifdef COMPAT_FREEBSD32 + if (SV_PROC_FLAG(p, SV_ILP32) != 0) + size = vsize * sizeof(Elf32_Auxinfo); + else +#endif + size = vsize * sizeof(Elf_Auxinfo); + error = sbuf_bcat(sb, auxv, size); + free(auxv, M_TEMP); + } + return (error); +} + /* * This sysctl allows a process to retrieve the argument list or process * title for another process without groping around in the address space @@ -1865,9 +1886,8 @@ sysctl_kern_proc_auxv(SYSCTL_HANDLER_ARG int *name = (int *)arg1; u_int namelen = arg2; struct proc *p; - size_t vsize, size; - char **auxv; - int error; + struct sbuf sb; + int error, error2; if (namelen != 1) return (EINVAL); @@ -1879,21 +1899,12 @@ sysctl_kern_proc_auxv(SYSCTL_HANDLER_ARG PRELE(p); return (0); } - error = get_proc_vector(curthread, p, &auxv, &vsize, PROC_AUX); - if (error == 0) { -#ifdef COMPAT_FREEBSD32 - if (SV_PROC_FLAG(p, SV_ILP32) != 0) - size = vsize * sizeof(Elf32_Auxinfo); - else -#endif - size = vsize * sizeof(Elf_Auxinfo); - PRELE(p); - error = SYSCTL_OUT(req, auxv, size); - free(auxv, M_TEMP); - } else { - PRELE(p); - } - return (error); + sbuf_new_for_sysctl(&sb, NULL, GET_PS_STRINGS_CHUNK_SZ, req); + error = proc_getauxv(curthread, p, &sb); + error2 = sbuf_finish(&sb); + PRELE(p); + sbuf_delete(&sb); + return (error != 0 ? error : error2); } /* Modified: stable/9/sys/sys/proc.h ============================================================================== --- stable/9/sys/sys/proc.h Thu May 9 17:25:29 2013 (r250415) +++ stable/9/sys/sys/proc.h Thu May 9 18:38:49 2013 (r250416) @@ -884,6 +884,7 @@ struct pargs *pargs_alloc(int len); void pargs_drop(struct pargs *pa); void pargs_hold(struct pargs *pa); int proc_getargv(struct thread *td, struct proc *p, struct sbuf *sb); +int proc_getauxv(struct thread *td, struct proc *p, struct sbuf *sb); int proc_getenvv(struct thread *td, struct proc *p, struct sbuf *sb); void procinit(void); void proc_linkup0(struct proc *p, struct thread *td);