From d34c09f0380fb7f957fe236fcaf4794cab68852f Mon Sep 17 00:00:00 2001 From: Jason Evans Date: Sun, 23 Apr 2000 22:26:00 +0000 Subject: [PATCH] Use ${WRKDIR} for building rather than the src directory in order to allow building from a read-only ports tree. --- sysutils/procmap/Makefile | 13 ++-- sysutils/procmap/files/Makefile | 10 +++ sysutils/procmap/files/procmap.8 | 50 +++++++++++++ sysutils/procmap/files/procmap.c | 119 +++++++++++++++++++++++++++++++ 4 files changed, 188 insertions(+), 4 deletions(-) create mode 100644 sysutils/procmap/files/Makefile create mode 100644 sysutils/procmap/files/procmap.8 create mode 100644 sysutils/procmap/files/procmap.c diff --git a/sysutils/procmap/Makefile b/sysutils/procmap/Makefile index 9beaa0a678cc..d77b7db6c2fe 100644 --- a/sysutils/procmap/Makefile +++ b/sysutils/procmap/Makefile @@ -12,11 +12,16 @@ DISTFILES= #empty MAINTAINER= jasone@freebsd.org -# setting MAKEOBJDIR doesn't work for some reason -MAKE_ENV= MAKEOBJDIRPREFIX=${WRKDIR} -WRKSRC= ${.CURDIR}/src +WRKSRC= ${WRKDIR} +MAKE_ENV= MAKEOBJDIRPREFIX=${WRKSRC} MAKEOBJDIR=${WRKSRC} + +procmap_files := Makefile procmap.c procmap.8 + +post-extract: + cd ${FILESDIR} ; \ + ${CP} -p ${procmap_files} ${WRKSRC} pre-build: - @cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${MAKE} obj + cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ${MAKE} obj .include diff --git a/sysutils/procmap/files/Makefile b/sysutils/procmap/files/Makefile new file mode 100644 index 000000000000..4f366813409f --- /dev/null +++ b/sysutils/procmap/files/Makefile @@ -0,0 +1,10 @@ +# $FreeBSD$ + +DESTDIR= /usr/local/ +BINDIR= bin +PROG= procmap +SRCS= procmap.c +MANDIR= man/man +MAN8= procmap.8 + +.include \ No newline at end of file diff --git a/sysutils/procmap/files/procmap.8 b/sysutils/procmap/files/procmap.8 new file mode 100644 index 000000000000..da929a9aa29d --- /dev/null +++ b/sysutils/procmap/files/procmap.8 @@ -0,0 +1,50 @@ +.\" Copyright (C) 2000 Jason Evans . +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice(s), this list of conditions and the following disclaimer as +.\" the first lines of this file unmodified other than the possible +.\" addition of one or more copyright notices. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice(s), this list of conditions and the following disclaimer in +.\" the documentation and/or other materials provided with the +.\" distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY +.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE +.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, +.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.Dd March 22, 2000 +.Dt PROCMAP 8 +.Os +.Sh NAME +.Nm procmap +.Nd print a procfs map file +.Sh SYNOPSIS +.Nm procmap +.Ar +.Nm procmap +curproc +.Sh DESCRIPTION +The +.Nm +utility prints the full contents of a procfs map file. +Using a program such as cat is unreliable for this purpose, since the kernel +must be able to write the entire contents at once, which requires a sufficiently +large buffer. +.Sh FILES +/proc/*/map +.Sh SEE ALSO +.Xr procfs 5 diff --git a/sysutils/procmap/files/procmap.c b/sysutils/procmap/files/procmap.c new file mode 100644 index 000000000000..860f7d04864b --- /dev/null +++ b/sysutils/procmap/files/procmap.c @@ -0,0 +1,119 @@ +/**************************************************************************** + * + * Copyright (C) 2000 Jason Evans . + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice(s), this list of conditions and the following disclaimer as + * the first lines of this file unmodified other than the possible + * addition of one or more copyright notices. + * 2. Redistributions in binary form must reproduce the above copyright + * notice(s), this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + **************************************************************************** + * + * Reliably print the entire contents of the proc filesystem's "map" files. + * + * $FreeBSD$ + * + ****************************************************************************/ + +#include +#include +#include + +/* The longest possible path is "/proc/curproc/map". */ +#define MAXPATH 18 +#define MINBUF 4096 + +int +main(int argc, char **argv) +{ + char *buf; + char path[MAXPATH] = "/proc/"; + int mfd, bytes, size = MINBUF; + + if (argc != 2) { + fprintf(stderr, "usage: procmap { | curproc}\n"); + exit(1); + } else if (strlen(argv[1]) > 7) { + fprintf(stderr, "procmap: too long.\n"); + fprintf(stderr, "usage: procmap { | curproc}\n"); + exit(1); + } + + /* Open the map file. */ + snprintf(path, MAXPATH, "/proc/%s/map", argv[1]); + mfd = open(path, O_RDONLY); + if (mfd < 0) { + fprintf(stderr, "Unable to open() %s: %s\n", + path, strerror(errno)); + exit(1); + } + + /* + * Start out with a MINBUF byte buffer, and double the buffer size until + * it's big enough to read the whole map at once. + */ + buf = (char *)malloc(size); + if (buf == NULL) { + fprintf(stderr, "malloc() error\n"); + exit(1); + } + bzero(buf, size); + + for (;;) { + if (lseek(mfd, 0, SEEK_SET) < 0) { + fprintf(stderr, "lseek() error: %s\n", + strerror(errno)); + exit(1); + } + /* Leave space for a NULL terminator at the end of buf. */ + if (bytes = read(mfd, buf, size - 1) < 0) { + if (errno == EFBIG) { + /* Buffer to small; try again. */ + size <<= 1; + buf = (char *)realloc(buf, size); + if (buf == NULL) { + fprintf(stderr, "malloc() error\n"); + exit(1); + } + bzero(buf, size); + } else { + fprintf(stderr, "read() error: %s\n", + strerror(errno)); + exit(1); + } + } else { + /* Success. The results are in buf. */ + break; + } + } + + /* + * Write out a header, then the result. + * + * format: start, end, resident, private resident, cow, access, type. + */ + printf("start end resident priv_res cow access type\n"); + printf("%s", buf); + + return 0; +}