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libvirt/src/util
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Michal Privoznik 432faf259b virCommand: use procfs to learn opened FDs 
When spawning a child process, between fork() and exec() we close
all file descriptors and keep only those the caller wants us to
pass onto the child. The problem is how we do that. Currently, we
get the limit of opened files and then iterate through each one
of them and either close() it or make it survive exec(). This
approach is suboptimal (although, not that much in default
configurations where the limit is pretty low - 1024). We have
/proc where we can learn what FDs we hold open and thus we can
selectively close only those.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-07-16 13:47:49 +02:00
..
iohelper.c
…
Makefile.inc.am
util: Drop virsexpr module
2019-07-09 10:27:20 +02:00
viralloc.c
util: alloc: Add automatic cleanup/disposal of strings
2019-04-03 11:58:10 +02:00
viralloc.h
util: alloc: use #pragma once
2019-06-19 17:12:31 +02:00
virarch.c
…
virarch.h
util: arch.h: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virarptable.c
…
virarptable.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
viratomic.c
…
viratomic.h
util: atomic: use #pragma once
2019-06-19 17:12:31 +02:00
viraudit.c
…
viraudit.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virauth.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virauth.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virauthconfig.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virauthconfig.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virautoclean.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virbitmap.c
util: Introduce virBitmapUnion()
2019-06-04 09:29:35 +02:00
virbitmap.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virbuffer.c
virBuffer: Try harder to free buffer
2019-05-06 09:33:10 +02:00
virbuffer.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
vircgroup.c
util: vircgroupv2: stop enabling missing controllers with systemd
2019-06-28 15:17:37 +02:00
vircgroup.h
util: cgroup: use #pragma once in headers
2019-06-19 17:12:32 +02:00
vircgroupbackend.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
vircgroupbackend.h
util: vircgroupv2: stop enabling missing controllers with systemd
2019-06-28 15:17:37 +02:00
vircgrouppriv.h
util: vircgroup: move virCgroupGetValueStr out of virCgroupGetValueForBlkDev
2019-06-21 14:35:57 +02:00
vircgroupv1.c
Revert "util: vircgroup: pass parent cgroup into virCgroupDetectControllersCB"
2019-06-28 15:17:26 +02:00
vircgroupv1.h
util: cgroup: use #pragma once in headers
2019-06-19 17:12:32 +02:00
vircgroupv2.c
util: vircgroupv2: stop enabling missing controllers with systemd
2019-06-28 15:17:37 +02:00
vircgroupv2.h
util: cgroup: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virclosecallbacks.c
…
virclosecallbacks.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
vircommand.c
virCommand: use procfs to learn opened FDs
2019-07-16 13:47:49 +02:00
vircommand.h
util: remove code spawning with systemd activation env vars
2019-07-12 16:55:40 +01:00
vircommandpriv.h
util: command: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virconf.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virconf.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
vircrypto.c
…
vircrypto.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virdbus.c
util: eliminate duplicate function virDBusMessageRead
2019-04-15 12:47:44 -04:00
virdbus.h
util: dbus: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virdbuspriv.h
util: dbus: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virdevmapper.c
…
virdevmapper.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virdnsmasq.c
lib: Don't use virReportSystemError() if virCommandRun() fails
2019-04-12 15:56:28 +02:00
virdnsmasq.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virebtables.c
…
virebtables.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virendian.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virenum.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virenum.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virerror.c
Revert "error: Add VIR_ERR_DEPRECATED error code"
2019-06-27 14:47:10 +01:00
virerror.h
util: error: Add API for prefixing last set error with a string
2019-06-20 17:10:24 +02:00
virerrorpriv.h
util: error: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virevent.c
…
virevent.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
vireventpoll.c
…
vireventpoll.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virfcp.c
…
virfcp.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virfdstream.c
…
virfdstream.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virfile.c
virFileRemoveXAttr: Report error on failure
2019-07-03 08:36:03 +02:00
virfile.h
virfile: Make virFileGetXAttr report errors
2019-07-03 08:36:03 +02:00
virfilecache.c
…
virfilecache.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virfirewall.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virfirewall.h
util: firewall: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virfirewalld.c
util: eliminate duplicate function virDBusMessageRead
2019-04-15 12:47:44 -04:00
virfirewalld.h
util: firewall: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virfirewalldpriv.h
util: firewall: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virfirewallpriv.h
util: firewall: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virfirmware.c
…
virfirmware.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virgettext.c
…
virgettext.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virgic.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virgic.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virhash.c
util: hash: Append to hash buckets when adding new entries
2019-04-25 13:28:16 +02:00
virhash.h
util: hash: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virhashcode.c
…
virhashcode.h
util: hash: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virhook.c
network: convert hook script to take a network port XML
2019-06-17 15:19:54 +01:00
virhook.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virhostcpu.c
util: Add virHostCPUGetTscInfo
2019-06-03 18:07:16 +02:00
virhostcpu.h
util: host: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virhostcpupriv.h
util: host: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virhostdev.c
virhostdev: Use VIR_AUTOPTR more
2019-06-20 10:29:54 +02:00
virhostdev.h
util: host: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virhostmem.c
…
virhostmem.h
util: host: use #pragma once in headers
2019-06-19 17:12:32 +02:00
viridentity.c
…
viridentity.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virinitctl.c
…
virinitctl.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
viriptables.c
network: split setup of ipv4 and ipv6 top level chains
2019-03-19 10:01:53 +00:00
viriptables.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
viriscsi.c
…
viriscsi.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virjson.c
util: json: Use VIR_APPEND_ELEMENT in virJSONValueObjectAppend
2019-04-10 16:34:57 +02:00
virjson.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virkeycode.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virkeycode.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virkeyfile.c
…
virkeyfile.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virkmod.c
…
virkmod.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virlease.c
…
virlease.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virlockspace.c
…
virlockspace.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virlog.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virlog.h
util: log: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virmacaddr.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virmacaddr.h
util: mac: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virmacmap.c
…
virmacmap.h
util: mac: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virmdev.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virmdev.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virmodule.c
…
virmodule.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virnetdev.c
Revert "Include unistd.h directly by files using it"
2019-04-10 12:26:32 +02:00
virnetdev.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevbandwidth.c
…
virnetdevbandwidth.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevbridge.c
util: Fix uninitalized variable to avoid garbage value.
2019-04-30 09:44:21 +02:00
virnetdevbridge.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevip.c
Revert "Include unistd.h directly by files using it"
2019-04-10 12:26:32 +02:00
virnetdevip.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevmacvlan.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virnetdevmacvlan.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevmidonet.c
…
virnetdevmidonet.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevopenvswitch.c
test: Introduce virnetdevopenvswitchtest
2019-07-16 13:42:39 +02:00
virnetdevopenvswitch.h
test: Introduce virnetdevopenvswitchtest
2019-07-16 13:42:39 +02:00
virnetdevtap.c
util: add helper method for re-attaching a tap device to a bridge
2019-04-16 14:44:53 +01:00
virnetdevtap.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevveth.c
…
virnetdevveth.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevvlan.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virnetdevvlan.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetdevvportprofile.c
util: add API for copying virtual port profile data
2019-04-17 14:12:56 +01:00
virnetdevvportprofile.h
util: netdev: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virnetlink.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virnetlink.h
util: netlink: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virnodesuspend.c
nodesuspend: report unsupported if systemd & pm-utils aren't available
2019-06-17 15:02:24 +01:00
virnodesuspend.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virnuma.c
util: Propagate numad failures correctly
2019-06-04 10:13:07 +02:00
virnuma.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virobject.c
object: Add sanity check on correct parent class
2019-03-15 11:10:12 -05:00
virobject.h
util: object: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virpci.c
virpci: report dev->name in virPCIGetHeaderType error message
2019-06-24 18:06:59 +02:00
virpci.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virperf.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virperf.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virpidfile.c
Revert "Include unistd.h directly by files using it"
2019-04-10 12:26:32 +02:00
virpidfile.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virpolkit.c
lib: Avoid double close when passing FDs with virCommandPassFD()
2019-05-17 16:01:11 +02:00
virpolkit.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virportallocator.c
…
virportallocator.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virprobe.h
util: virprobe.h: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virprocess.c
util: assume modern CPU_ALLOC macros always exist
2019-07-09 18:44:19 +01:00
virprocess.h
qemusecuritymock: Mock virProcessRunInFork
2019-07-03 08:36:03 +02:00
virqemu.c
…
virqemu.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virrandom.c
…
virrandom.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virresctrl.c
virresctrl: Sort resctrl array correctly in virResctrlMonitorGetStats()
2019-05-13 14:38:58 +02:00
virresctrl.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virresctrlpriv.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virrotatingfile.c
…
virrotatingfile.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virscsi.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virscsi.h
util: scsi: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virscsihost.c
…
virscsihost.h
util: scsi: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virscsivhost.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virscsivhost.h
util: scsi: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virseclabel.c
…
virseclabel.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virsecret.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virsecret.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virsocketaddr.c
util: add API for resolving socket service names
2019-07-11 14:13:03 +01:00
virsocketaddr.h
util: add API for resolving socket service names
2019-07-11 14:13:03 +01:00
virstorageencryption.c
…
virstorageencryption.h
util: storage: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virstoragefile.c
util: storage: Fix virStorageSourceGetActualType if volume was not translated
2019-06-26 12:28:31 +02:00
virstoragefile.h
util: storage: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virstoragefilebackend.c
…
virstoragefilebackend.h
util: storage: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virstring.c
…
virstring.h
util: string: use #pragma once in headers
2019-06-19 17:12:32 +02:00
virsysinfo.c
virSysinfoReadARM: Try reading DMI table
2019-06-03 17:59:38 +02:00
virsysinfo.h
util: sysinfo: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virsysinfopriv.h
util: sysinfo: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virsystemd.c
util: move code for getting listen FDs into systemd module
2019-07-12 16:55:40 +01:00
virsystemd.h
util: add APIs for facilitating use of systemd activation FDs
2019-07-12 16:55:39 +01:00
virsystemdpriv.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virthread.c
…
virthread.h
util: thread: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virthreadjob.c
…
virthreadjob.h
util: thread: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virthreadpool.c
…
virthreadpool.h
util: thread: use #pragma once in headers
2019-06-19 17:12:31 +02:00
virtime.c
…
virtime.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virtpm.c
…
virtpm.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virtypedparam.c
Always put _LAST enums on second line of VIR_ENUM_IMPL
2019-04-11 12:47:23 -04:00
virtypedparam.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
viruri.c
…
viruri.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virusb.c
util: Don't include 'viralloc.h' into other header files
2019-04-10 09:12:04 +02:00
virusb.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virutil.c
util: remove unused helper for getting UNIX socket path
2019-07-12 16:55:40 +01:00
virutil.h
util: remove unused helper for getting UNIX socket path
2019-07-12 16:55:40 +01:00
viruuid.c
…
viruuid.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virvhba.c
…
virvhba.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virvsock.c
…
virvsock.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virxdrdefs.h
util: misc: use #pragma once in headers
2019-06-19 17:12:33 +02:00
virxml.c
…
virxml.h
util: xml: use #pragma once in headers
2019-06-19 17:12:33 +02:00