diff options
Diffstat (limited to 'src/grp-initprogs/grp-sleep')
23 files changed, 1191 insertions, 0 deletions
diff --git a/src/grp-initprogs/grp-sleep/GNUmakefile b/src/grp-initprogs/grp-sleep/GNUmakefile new file mode 120000 index 0000000000..0f24a727ed --- /dev/null +++ b/src/grp-initprogs/grp-sleep/GNUmakefile @@ -0,0 +1 @@ +GNUmakefile
\ No newline at end of file diff --git a/src/grp-initprogs/grp-sleep/Makefile b/src/grp-initprogs/grp-sleep/Makefile new file mode 100644 index 0000000000..5a3a87d2bf --- /dev/null +++ b/src/grp-initprogs/grp-sleep/Makefile @@ -0,0 +1,30 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <http://www.gnu.org/licenses/>. +include $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +nested.subdirs += systemd-hibernate-resume +nested.subdirs += systemd-hibernate-resume-generator +nested.subdirs += systemd-sleep + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile new file mode 120000 index 0000000000..0f24a727ed --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile @@ -0,0 +1 @@ +GNUmakefile
\ No newline at end of file diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile new file mode 100644 index 0000000000..835f2a37b2 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile @@ -0,0 +1,38 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <http://www.gnu.org/licenses/>. +include $(dir $(lastword $(MAKEFILE_LIST)))/../../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +ifneq ($(ENABLE_HIBERNATE),) +systemgenerator_PROGRAMS += \ + systemd-hibernate-resume-generator + +systemd_hibernate_resume_generator_SOURCES = \ + src/hibernate-resume/hibernate-resume-generator.c + +systemd_hibernate_resume_generator_LDADD = \ + libsystemd-shared.la + +endif # ENABLE_HIBERNATE + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c new file mode 100644 index 0000000000..de440853db --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c @@ -0,0 +1,99 @@ +/*** + This file is part of systemd. + + Copyright 2014 Ivan Shapovalov + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> +#include <stdio.h> + +#include "systemd-basic/alloc-util.h" +#include "systemd-basic/log.h" +#include "systemd-basic/mkdir.h" +#include "systemd-basic/proc-cmdline.h" +#include "systemd-basic/special.h" +#include "systemd-basic/string-util.h" +#include "systemd-basic/unit-name.h" +#include "systemd-basic/util.h" +#include "systemd-shared/fstab-util.h" + +static const char *arg_dest = "/tmp"; +static char *arg_resume_dev = NULL; + +static int parse_proc_cmdline_item(const char *key, const char *value, void *data) { + + if (streq(key, "resume") && value) { + free(arg_resume_dev); + arg_resume_dev = fstab_node_to_udev_node(value); + if (!arg_resume_dev) + return log_oom(); + } + + return 0; +} + +static int process_resume(void) { + _cleanup_free_ char *name = NULL, *lnk = NULL; + int r; + + if (!arg_resume_dev) + return 0; + + r = unit_name_from_path_instance("systemd-hibernate-resume", arg_resume_dev, ".service", &name); + if (r < 0) + return log_error_errno(r, "Failed to generate unit name: %m"); + + lnk = strjoin(arg_dest, "/" SPECIAL_SYSINIT_TARGET ".wants/", name, NULL); + if (!lnk) + return log_oom(); + + mkdir_parents_label(lnk, 0755); + if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-hibernate-resume@.service", lnk) < 0) + return log_error_errno(errno, "Failed to create symlink %s: %m", lnk); + + return 0; +} + +int main(int argc, char *argv[]) { + int r = 0; + + if (argc > 1 && argc != 4) { + log_error("This program takes three or no arguments."); + return EXIT_FAILURE; + } + + if (argc > 1) + arg_dest = argv[1]; + + log_set_target(LOG_TARGET_SAFE); + log_parse_environment(); + log_open(); + + umask(0022); + + /* Don't even consider resuming outside of initramfs. */ + if (!in_initrd()) + return EXIT_SUCCESS; + + r = parse_proc_cmdline(parse_proc_cmdline_item, NULL, false); + if (r < 0) + log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); + + r = process_resume(); + free(arg_resume_dev); + + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; +} diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml new file mode 100644 index 0000000000..d811b9b551 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml @@ -0,0 +1,93 @@ +<?xml version="1.0"?> +<!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- + This file is part of systemd. + + Copyright 2014 Ivan Shapovalov + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> +<refentry id="systemd-hibernate-resume-generator"> + + <refentryinfo> + <title>systemd-hibernate-resume-generator</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Ivan</firstname> + <surname>Shapovalov</surname> + <email>intelfx100@gmail.com</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-hibernate-resume-generator</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-hibernate-resume-generator</refname> + <refpurpose>Unit generator for resume= kernel parameter</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>/usr/lib/systemd/system-generators/systemd-hibernate-resume-generator</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><filename>systemd-hibernate-resume-generator</filename> is a + generator that instantiates + <citerefentry><refentrytitle>systemd-hibernate-resume@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + unit according to the value of <option>resume=</option> parameter + specified on the kernel command line.</para> + </refsect1> + + <refsect1> + <title>Kernel Command Line</title> + + <para><filename>systemd-hibernate-resume-generator</filename> + understands the following kernel command line parameters:</para> + + <variablelist class='kernel-commandline-options'> + + <varlistentry> + <term><varname>resume=</varname></term> + + <listitem><para>Takes a path to the resume device. Both + persistent block device paths like + <filename>/dev/disk/by-foo/bar</filename> and + <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>-style + specifiers like <literal>FOO=bar</literal> are + supported.</para></listitem> + </varlistentry> + + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hibernate-resume@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/GNUmakefile b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/GNUmakefile new file mode 120000 index 0000000000..0f24a727ed --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/GNUmakefile @@ -0,0 +1 @@ +GNUmakefile
\ No newline at end of file diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/Makefile b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/Makefile new file mode 100644 index 0000000000..95f44744a2 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/Makefile @@ -0,0 +1,45 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <http://www.gnu.org/licenses/>. +include $(dir $(lastword $(MAKEFILE_LIST)))/../../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +ifneq ($(ENABLE_HIBERNATE),) + +rootlibexec_PROGRAMS += \ + systemd-hibernate-resume + +systemd_hibernate_resume_SOURCES = \ + src/hibernate-resume/hibernate-resume.c + +systemd_hibernate_resume_LDADD = \ + libsystemd-shared.la + +nodist_systemunit_DATA += \ + units/systemd-hibernate-resume@.service + +endif # ENABLE_HIBERNATE + +EXTRA_DIST += \ + units/systemd-hibernate-resume@.service.in + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/hibernate-resume.c b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/hibernate-resume.c new file mode 100644 index 0000000000..f41c6afef0 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/hibernate-resume.c @@ -0,0 +1,82 @@ +/*** + This file is part of systemd. + + Copyright 2014 Ivan Shapovalov + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> +#include <stdio.h> +#include <sys/stat.h> + +#include "systemd-basic/alloc-util.h" +#include "systemd-basic/fileio.h" +#include "systemd-basic/log.h" +#include "systemd-basic/util.h" + +int main(int argc, char *argv[]) { + struct stat st; + const char *device; + _cleanup_free_ char *major_minor = NULL; + int r; + + if (argc != 2) { + log_error("This program expects one argument."); + return EXIT_FAILURE; + } + + log_set_target(LOG_TARGET_AUTO); + log_parse_environment(); + log_open(); + + umask(0022); + + /* Refuse to run unless we are in an initrd() */ + if (!in_initrd()) + return EXIT_SUCCESS; + + device = argv[1]; + + if (stat(device, &st) < 0) { + log_error_errno(errno, "Failed to stat '%s': %m", device); + return EXIT_FAILURE; + } + + if (!S_ISBLK(st.st_mode)) { + log_error("Resume device '%s' is not a block device.", device); + return EXIT_FAILURE; + } + + if (asprintf(&major_minor, "%d:%d", major(st.st_rdev), minor(st.st_rdev)) < 0) { + log_oom(); + return EXIT_FAILURE; + } + + r = write_string_file("/sys/power/resume", major_minor, WRITE_STRING_FILE_CREATE); + if (r < 0) { + log_error_errno(r, "Failed to write '%s' to /sys/power/resume: %m", major_minor); + return EXIT_FAILURE; + } + + /* + * The write above shall not return. + * + * However, failed resume is a normal condition (may mean that there is + * no hibernation image). + */ + + log_info("Could not resume from '%s' (%s).", device, major_minor); + return EXIT_SUCCESS; +} diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/systemd-hibernate-resume@.service.in b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/systemd-hibernate-resume@.service.in new file mode 100644 index 0000000000..65e8eb83f1 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/systemd-hibernate-resume@.service.in @@ -0,0 +1,20 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Resume from hibernation using device %f +Documentation=man:systemd-hibernate-resume@.service(8) +DefaultDependencies=no +BindsTo=%i.device +Wants=local-fs-pre.target +After=%i.device +Before=local-fs-pre.target +ConditionPathExists=/etc/initrd-release + +[Service] +Type=oneshot +ExecStart=@rootlibexecdir@/systemd-hibernate-resume %f diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/systemd-hibernate-resume@.service.xml b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/systemd-hibernate-resume@.service.xml new file mode 100644 index 0000000000..7d00827447 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume/systemd-hibernate-resume@.service.xml @@ -0,0 +1,81 @@ +<?xml version="1.0"?> +<!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- + This file is part of systemd. + + Copyright 2014 Ivan Shapovalov + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> +<refentry id="systemd-hibernate-resume@.service"> + + <refentryinfo> + <title>systemd-hibernate-resume@.service</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Ivan</firstname> + <surname>Shapovalov</surname> + <email>intelfx100@gmail.com</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-hibernate-resume@.service</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-hibernate-resume@.service</refname> + <refname>systemd-hibernate-resume</refname> + <refpurpose>Resume from hibernation</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>systemd-hibernate-resume@.service</filename></para> + <para><filename>/usr/lib/systemd/systemd-hibernate-resume</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><filename>systemd-hibernate-resume@.service</filename> + initiates the resume from hibernation. It is instantiated with the + device to resume from as the template argument.</para> + + <para><filename>systemd-hibernate-resume</filename> only supports + the in-kernel hibernation implementation, known as + <ulink url="https://www.kernel.org/doc/Documentation/power/swsusp.txt">swsusp</ulink>. + Internally, it works by writing the major:minor of specified + device node to <filename>/sys/power/resume</filename>.</para> + + <para>Failing to initiate a resume is not an error condition. It + may mean that there was no resume image (e. g. if the system has + been simply powered off and not hibernated). In such case, the + boot is ordinarily continued.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/GNUmakefile b/src/grp-initprogs/grp-sleep/systemd-sleep/GNUmakefile new file mode 120000 index 0000000000..0f24a727ed --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/GNUmakefile @@ -0,0 +1 @@ +GNUmakefile
\ No newline at end of file diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/Makefile b/src/grp-initprogs/grp-sleep/systemd-sleep/Makefile new file mode 100644 index 0000000000..45c0beaf9d --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/Makefile @@ -0,0 +1,49 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <http://www.gnu.org/licenses/>. +include $(dir $(lastword $(MAKEFILE_LIST)))/../../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +rootlibexec_PROGRAMS += systemd-sleep +systemd_sleep_SOURCES = \ + src/sleep/sleep.c + +systemd_sleep_LDADD = \ + libsystemd-shared.la + +ifneq ($(ENABLE_HIBERNATE),) + +dist_systemunit_DATA += \ + units/hibernate.target \ + units/hybrid-sleep.target + +nodist_systemunit_DATA += \ + units/systemd-hibernate.service \ + units/systemd-hybrid-sleep.service + +endif # ENABLE_HIBERNATE + +EXTRA_DIST += \ + units/systemd-hibernate.service.in \ + units/systemd-hybrid-sleep.service.in + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/hibernate.target b/src/grp-initprogs/grp-sleep/systemd-sleep/hibernate.target new file mode 100644 index 0000000000..143eb59230 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/hibernate.target @@ -0,0 +1,13 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Hibernate +Documentation=man:systemd.special(7) +DefaultDependencies=no +BindsTo=systemd-hibernate.service +After=systemd-hibernate.service diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/hybrid-sleep.target b/src/grp-initprogs/grp-sleep/systemd-sleep/hybrid-sleep.target new file mode 100644 index 0000000000..d2d3409225 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/hybrid-sleep.target @@ -0,0 +1,13 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Hybrid Suspend+Hibernate +Documentation=man:systemd.special(7) +DefaultDependencies=no +BindsTo=systemd-hybrid-sleep.service +After=systemd-hybrid-sleep.service diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/sleep.c b/src/grp-initprogs/grp-sleep/systemd-sleep/sleep.c new file mode 100644 index 0000000000..16ae4c7314 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/sleep.c @@ -0,0 +1,215 @@ +/*** + This file is part of systemd. + + Copyright 2012 Lennart Poettering + Copyright 2013 Zbigniew Jędrzejewski-Szmek + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> +#include <getopt.h> +#include <stdio.h> + +#include <systemd/sd-messages.h> + +#include "systemd-basic/def.h" +#include "systemd-basic/fd-util.h" +#include "systemd-basic/fileio.h" +#include "systemd-basic/log.h" +#include "systemd-basic/string-util.h" +#include "systemd-basic/strv.h" +#include "systemd-basic/util.h" +#include "systemd-shared/sleep-config.h" + +static char* arg_verb = NULL; + +static int write_mode(char **modes) { + int r = 0; + char **mode; + + STRV_FOREACH(mode, modes) { + int k; + + k = write_string_file("/sys/power/disk", *mode, 0); + if (k == 0) + return 0; + + log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m", + *mode); + if (r == 0) + r = k; + } + + if (r < 0) + log_error_errno(r, "Failed to write mode to /sys/power/disk: %m"); + + return r; +} + +static int write_state(FILE **f, char **states) { + char **state; + int r = 0; + + STRV_FOREACH(state, states) { + int k; + + k = write_string_stream(*f, *state, true); + if (k == 0) + return 0; + log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m", + *state); + if (r == 0) + r = k; + + fclose(*f); + *f = fopen("/sys/power/state", "we"); + if (!*f) + return log_error_errno(errno, "Failed to open /sys/power/state: %m"); + } + + return r; +} + +static int execute(char **modes, char **states) { + + char *arguments[] = { + NULL, + (char*) "pre", + arg_verb, + NULL + }; + static const char* const dirs[] = {SYSTEM_SLEEP_PATH, NULL}; + + int r; + _cleanup_fclose_ FILE *f = NULL; + + /* This file is opened first, so that if we hit an error, + * we can abort before modifying any state. */ + f = fopen("/sys/power/state", "we"); + if (!f) + return log_error_errno(errno, "Failed to open /sys/power/state: %m"); + + /* Configure the hibernation mode */ + r = write_mode(modes); + if (r < 0) + return r; + + execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments); + + log_struct(LOG_INFO, + LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_START), + LOG_MESSAGE("Suspending system..."), + "SLEEP=%s", arg_verb, + NULL); + + r = write_state(&f, states); + if (r < 0) + return r; + + log_struct(LOG_INFO, + LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_STOP), + LOG_MESSAGE("System resumed."), + "SLEEP=%s", arg_verb, + NULL); + + arguments[1] = (char*) "post"; + execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments); + + return r; +} + +static void help(void) { + printf("%s COMMAND\n\n" + "Suspend the system, hibernate the system, or both.\n\n" + "Commands:\n" + " -h --help Show this help and exit\n" + " --version Print version string and exit\n" + " suspend Suspend the system\n" + " hibernate Hibernate the system\n" + " hybrid-sleep Both hibernate and suspend the system\n" + , program_invocation_short_name); +} + +static int parse_argv(int argc, char *argv[]) { + enum { + ARG_VERSION = 0x100, + }; + + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + {} + }; + + int c; + + assert(argc >= 0); + assert(argv); + + while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) + switch(c) { + case 'h': + help(); + return 0; /* done */ + + case ARG_VERSION: + return version(); + + case '?': + return -EINVAL; + + default: + assert_not_reached("Unhandled option"); + } + + if (argc - optind != 1) { + log_error("Usage: %s COMMAND", + program_invocation_short_name); + return -EINVAL; + } + + arg_verb = argv[optind]; + + if (!streq(arg_verb, "suspend") && + !streq(arg_verb, "hibernate") && + !streq(arg_verb, "hybrid-sleep")) { + log_error("Unknown command '%s'.", arg_verb); + return -EINVAL; + } + + return 1 /* work to do */; +} + +int main(int argc, char *argv[]) { + _cleanup_strv_free_ char **modes = NULL, **states = NULL; + int r; + + log_set_target(LOG_TARGET_AUTO); + log_parse_environment(); + log_open(); + + r = parse_argv(argc, argv); + if (r <= 0) + goto finish; + + r = parse_sleep_config(arg_verb, &modes, &states); + if (r < 0) + goto finish; + + r = execute(modes, states); + +finish: + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; +} diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/sleep.target b/src/grp-initprogs/grp-sleep/systemd-sleep/sleep.target new file mode 100644 index 0000000000..10c7c8d594 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/sleep.target @@ -0,0 +1,13 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Sleep +Documentation=man:systemd.special(7) +DefaultDependencies=no +RefuseManualStart=yes +StopWhenUnneeded=yes diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/suspend.target b/src/grp-initprogs/grp-sleep/systemd-sleep/suspend.target new file mode 100644 index 0000000000..f50cb2264f --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/suspend.target @@ -0,0 +1,13 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Suspend +Documentation=man:systemd.special(7) +DefaultDependencies=no +BindsTo=systemd-suspend.service +After=systemd-suspend.service diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-hibernate.service.in b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-hibernate.service.in new file mode 100644 index 0000000000..29d9b696a8 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-hibernate.service.in @@ -0,0 +1,17 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Hibernate +Documentation=man:systemd-suspend.service(8) +DefaultDependencies=no +Requires=sleep.target +After=sleep.target + +[Service] +Type=oneshot +ExecStart=@rootlibexecdir@/systemd-sleep hibernate diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-hybrid-sleep.service.in b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-hybrid-sleep.service.in new file mode 100644 index 0000000000..914b686c36 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-hybrid-sleep.service.in @@ -0,0 +1,17 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Hybrid Suspend+Hibernate +Documentation=man:systemd-suspend.service(8) +DefaultDependencies=no +Requires=sleep.target +After=sleep.target + +[Service] +Type=oneshot +ExecStart=@rootlibexecdir@/systemd-sleep hybrid-sleep diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-sleep.conf.xml b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-sleep.conf.xml new file mode 100644 index 0000000000..9a379ecb94 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-sleep.conf.xml @@ -0,0 +1,186 @@ +<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" +"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + This file is part of systemd. + + Copyright 2013 Zbigniew Jędrzejewski-Szmek + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="systemd-sleep.conf" + xmlns:xi="http://www.w3.org/2001/XInclude"> + <refentryinfo> + <title>systemd-sleep.conf</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Zbigniew</firstname> + <surname>Jędrzejewski-Szmek</surname> + <email>zbyszek@in.waw.pl</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-sleep.conf</refentrytitle> + <manvolnum>5</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-sleep.conf</refname> + <refname>sleep.conf.d</refname> + <refpurpose>Suspend and hibernation configuration file</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>/etc/systemd/sleep.conf</filename></para> + <para><filename>/etc/systemd/sleep.conf.d/*.conf</filename></para> + <para><filename>/run/systemd/sleep.conf.d/*.conf</filename></para> + <para><filename>/usr/lib/systemd/sleep.conf.d/*.conf</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>systemd</command> supports three general + power-saving modes:</para> + + <variablelist> + <varlistentry> + <term>suspend</term> + + <listitem><para>a low-power state + where execution of the OS is paused, + and complete power loss might result + in lost data, and which is fast to + enter and exit. This corresponds to + suspend, standby, or freeze states as + understood by the kernel. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>hibernate</term> + + <listitem><para>a low-power state + where execution of the OS is paused, + and complete power loss does not + result in lost data, and which might + be slow to enter and exit. This + corresponds to the hibernation as + understood by the kernel. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>hybrid-sleep</term> + + <listitem><para>a low-power state + where execution of the OS is paused, + which might be slow to enter, and on + complete power loss does not result in + lost data but might be slower to exit + in that case. This mode is called + suspend-to-both by the kernel. + </para></listitem> + </varlistentry> + </variablelist> + + <para>Settings in these files determine what strings + will be written to + <filename>/sys/power/disk</filename> and + <filename>/sys/power/state</filename> by + <citerefentry><refentrytitle>systemd-sleep</refentrytitle><manvolnum>8</manvolnum></citerefentry> + when + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> + attempts to suspend or hibernate the machine.</para> + </refsect1> + + <xi:include href="standard-conf.xml" xpointer="main-conf" /> + + <refsect1> + <title>Options</title> + + <para>The following options can be configured in the + <literal>[Sleep]</literal> section of + <filename>/etc/systemd/sleep.conf</filename> or a + <filename>sleep.conf.d</filename> file:</para> + + <variablelist class='systemd-directives'> + <varlistentry> + <term><varname>SuspendMode=</varname></term> + <term><varname>HibernateMode=</varname></term> + <term><varname>HybridSleepMode=</varname></term> + + <listitem><para>The string to be written to + <filename>/sys/power/disk</filename> by, + respectively, + <citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, or + <citerefentry><refentrytitle>systemd-hybrid-sleep.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. + More than one value can be specified by separating + multiple values with whitespace. They will be tried + in turn, until one is written without error. If + neither succeeds, the operation will be aborted. + </para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>SuspendState=</varname></term> + <term><varname>HibernateState=</varname></term> + <term><varname>HybridSleepState=</varname></term> + + <listitem><para>The string to be written to + <filename>/sys/power/state</filename> by, + respectively, + <citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, or + <citerefentry><refentrytitle>systemd-hybrid-sleep.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. + More than one value can be specified by separating + multiple values with whitespace. They will be tried + in turn, until one is written without error. If + neither succeeds, the operation will be aborted. + </para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Example: freeze</title> + + <para>Example: to exploit the <quote>freeze</quote> mode added + in Linux 3.9, one can use <command>systemctl suspend</command> + with + <programlisting>[Sleep] +SuspendState=freeze</programlisting></para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd-sleep</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hybrid-sleep.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-sleep.xml b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-sleep.xml new file mode 100644 index 0000000000..a8beb86f4d --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-sleep.xml @@ -0,0 +1,146 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + This file is part of systemd. + + Copyright 2012 Lennart Poettering + Copyright 2013 Zbigniew Jędrzejewski-Szmek + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="systemd-suspend.service" + xmlns:xi="http://www.w3.org/2001/XInclude"> + + <refentryinfo> + <title>systemd-suspend.service</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Lennart</firstname> + <surname>Poettering</surname> + <email>lennart@poettering.net</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-suspend.service</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-suspend.service</refname> + <refname>systemd-hibernate.service</refname> + <refname>systemd-hybrid-sleep.service</refname> + <refname>systemd-sleep</refname> + <refpurpose>System sleep state logic</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>systemd-suspend.service</filename></para> + <para><filename>systemd-hibernate.service</filename></para> + <para><filename>systemd-hybrid-sleep.service</filename></para> + <para><filename>/usr/lib/systemd/system-sleep</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><filename>systemd-suspend.service</filename> is a system + service that is pulled in by <filename>suspend.target</filename> + and is responsible for the actual system suspend. Similarly, + <filename>systemd-hibernate.service</filename> is pulled in by + <filename>hibernate.target</filename> to execute the actual + hibernation. Finally, + <filename>systemd-hybrid-sleep.service</filename> is pulled in by + <filename>hybrid-sleep.target</filename> to execute hybrid + hibernation with system suspend.</para> + + <para>Immediately before entering system suspend and/or + hibernation <filename>systemd-suspend.service</filename> (and the + other mentioned units, respectively) will run all executables in + <filename>/usr/lib/systemd/system-sleep/</filename> and pass two + arguments to them. The first argument will be + <literal>pre</literal>, the second either + <literal>suspend</literal>, <literal>hibernate</literal>, or + <literal>hybrid-sleep</literal> depending on the chosen action. + Immediately after leaving system suspend and/or hibernation the + same executables are run, but the first argument is now + <literal>post</literal>. All executables in this directory are + executed in parallel, and execution of the action is not continued + until all executables have finished.</para> + + <para>Note that scripts or binaries dropped in + <filename>/usr/lib/systemd/system-sleep/</filename> are intended + for local use only and should be considered hacks. If applications + want to be notified of system suspend/hibernation and resume, + there are much nicer interfaces available.</para> + + <para>Note that + <filename>systemd-suspend.service</filename>, + <filename>systemd-hibernate.service</filename>, and + <filename>systemd-hybrid-sleep.service</filename> + should never be executed directly. Instead, trigger system sleep + states with a command such as <literal>systemctl suspend</literal> + or similar.</para> + + <para>Internally, this service will echo a string like + <literal>mem</literal> into <filename>/sys/power/state</filename>, + to trigger the actual system suspend. What exactly is written + where can be configured in the <literal>[Sleep]</literal> section + of <filename>/etc/systemd/sleep.conf</filename> or a + <filename>sleep.conf.d</filename> file. See + <citerefentry><refentrytitle>systemd-sleep.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + </para> + </refsect1> + + <refsect1> + <title>Options</title> + + <para><command>systemd-sleep</command> understands the + following commands:</para> + + <variablelist> + <xi:include href="standard-options.xml" xpointer="help" /> + <xi:include href="standard-options.xml" xpointer="version" /> + + <varlistentry> + <term><option>suspend</option></term> + <term><option>hibernate</option></term> + <term><option>hybrid-sleep</option></term> + + <listitem><para>Suspend, hibernate, or put the system to + hybrid sleep.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd-sleep.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> diff --git a/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-suspend.service.in b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-suspend.service.in new file mode 100644 index 0000000000..3a702d2e22 --- /dev/null +++ b/src/grp-initprogs/grp-sleep/systemd-sleep/systemd-suspend.service.in @@ -0,0 +1,17 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Suspend +Documentation=man:systemd-suspend.service(8) +DefaultDependencies=no +Requires=sleep.target +After=sleep.target + +[Service] +Type=oneshot +ExecStart=@rootlibexecdir@/systemd-sleep suspend |