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dgamelaunch
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Allow setting resource limits on core dump size and memory usage. Idea and some code from crawl.develz.org dgl. 

git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@523 db0b04b0-f4d1-0310-9a6d-de3e77497b0e
This commit is contained in:
Pasi Kallinen 2010-02-25 16:40:55 +00:00
parent 43f2b685c7
commit 11eef77614
2 changed files with 61 additions and 0 deletions
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38
configure.ac
View File

@ -108,6 +108,44 @@ if test "$enable_sqlite" = yes; then
AC_DEFINE_UNQUOTED(USE_SQLITE_DB, "$dgl_sqlite_db", [Path and filename of the SQLite database.])
fi
dgl_rlimit_core_default=157286400
AC_ARG_WITH(rlimit-core,
[AC_HELP_STRING([--with-rlimit-core=SIZE], [Enable and set the core dump maximum size.])],
[dgl_rlimit_core=$withval; enable_rlimit=yes], [dgl_rlimit_core=$dgl_rlimit_core_default])
if test "$enable_rlimit" = yes; then
if test "$dgl_rlimit_core" = yes; then
dgl_rlimit_core=$dgl_rlimit_core_default
fi
AC_CHECK_HEADERS([sys/resource.h], [], [AC_MSG_ERROR([sys/resource.h not found.])], [])
AC_MSG_RESULT([Enabled and set maximum core dump size to $dgl_rlimit_core])
AC_DEFINE(USE_RLIMIT,1,[Use getrlimit/setrlimit])
AC_DEFINE_UNQUOTED(USE_RLIMIT_CORE, $dgl_rlimit_core, [Maximum core dump size])
enable_rlimit=no
fi
dgl_rlimit_as_default=104857600
AC_ARG_WITH(rlimit-as,
[AC_HELP_STRING([--with-rlimit-as=SIZE], [Enable and set the maximum memory usage.])],
[dgl_rlimit_as=$withval; enable_rlimit=yes], [dgl_rlimit_as=$dgl_rlimit_as_default])
if test "$enable_rlimit" = yes; then
if test "$dgl_rlimit_as" = yes; then
dgl_rlimit_as=$dgl_rlimit_as_default
fi
AC_CHECK_HEADERS([sys/resource.h], [], [AC_MSG_ERROR([sys/resource.h not found.])], [])
AC_MSG_RESULT([Enabled and set maximum memory usage limit to $dgl_rlimit_as])
AC_DEFINE(USE_RLIMIT,1,[Use getrlimit/setrlimit])
AC_DEFINE_UNQUOTED(USE_RLIMIT_AS, $dgl_rlimit_as, [Maximum mem usage])
enable_rlimit=no
fi
AC_ARG_WITH(config-file,
[AC_HELP_STRING([--with-config-file=PATH], [Define the path to the default configuration file.])],
[configfile=$withval], [configfile="/etc/dgamelaunch.conf"])

23
dgamelaunch.c
View File

@ -50,6 +50,9 @@
#include <sys/wait.h>
#include <sys/ioctl.h> /* ttyrec */
#include <sys/stat.h>
#ifdef USE_RLIMIT
#include <sys/resource.h>
#endif
#include <libgen.h>
#include <stdlib.h>
#include <curses.h>
@ -1987,6 +1990,9 @@ main (int argc, char** argv)
int userchoice;
char *tmp;
char *wall_email_str = NULL;
#ifdef USE_RLIMIT
struct rlimit lim;
#endif
#ifndef HAVE_SETPROCTITLE
/* save argc, argv */
@ -2082,6 +2088,23 @@ main (int argc, char** argv)
if (!nhext && !nhauth)
ttyrec_getpty ();
#ifdef USE_RLIMIT
#ifdef USE_RLIMIT_CORE
/* enable and set core dump size */
if (!getrlimit(RLIMIT_CORE, &lim)) {
lim.rlim_cur = USE_RLIMIT_CORE;
setrlimit(RLIMIT_CORE, &lim);
}
#endif
#ifdef USE_RLIMIT_AS
/* set maximum memory usage */
if (!getrlimit(RLIMIT_AS, &lim)) {
lim.rlim_cur = USE_RLIMIT_AS;
setrlimit(RLIMIT_AS, &lim);
}
#endif
#endif
if (geteuid () != globalconfig.shed_uid)
{
/* chroot */