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2014-10-25hashmap: introduce hashmap_reserve()Michal Schmidt
With the current hashmap implementation that uses chaining, placing a reservation can serve two purposes: - To optimize putting of entries if the number of entries to put is known. The reservation allocates buckets, so later resizing can be avoided. - To avoid having very long bucket chains after using hashmap_move(_one). In an alternative hashmap implementation it will serve an additional purpose: - To guarantee a subsequent hashmap_move(_one) will not fail with -ENOMEM (this never happens in the current implementation). Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25hashmap: return more information from resize_buckets()Michal Schmidt
Return 0 if no resize was needed, 1 if successfully resized and negative on error. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25shared: split mempool implementation from hashmapsMichal Schmidt
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25time: don't do comparison twiceLennart Poettering
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25mac: also rename use_{smack,selinux,apparmor}() calls so that they share the ↵Lennart Poettering
new mac_{smack,selinux,apparmor}_xyz() convention Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25src/udev/udevd.c: rename apis in static_dev_create_from_modules() alsoAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25mac: rename apis with mac_{selinux/smack}_ prefixWaLyong Cho
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25src/shared/util.h: import realloc_multiply() from upstreamAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25label: rearrange mandatory access control(MAC) apisWaLyong Cho
move label apis to selinux-util.ch or smack-util.ch appropriately. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-25shared/log: add log_trace as compile-time optional debuggingZbigniew Jędrzejewski-Szmek
Repetetive messages can be annoying when running with SYSTEMD_LOG_LEVEL=debug, but they are sometimes very useful when debugging problems. Add log_trace which is like log_debug but becomes a noop unless LOG_TRACE is defined during compilation. This makes it easy to enable very verbose logging for a subset of programs when compiling from source. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-22strv: add an additional overflow check when enlarging strv()sLennart Poettering
https://bugs.freedesktop.org/show_bug.cgi?id=76745 This also adds: strv: use realloc_multiply() to check for multiplication overflow by Michal Schmidt <mschmidt@redhat.com> This could overflow on 32bit, where size_t is the same as unsigned. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-13src/shared/util.c: remove unneeded error check, following upstreamAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-13src/shared/util.c: final cosmetic changeAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-13src/shared/util.c: more cosmetic changesAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-10-13src/shared/util.c: cosmetic changes to more easily follow upstreamAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-30Do not format USEC_INFINITY as NULLZbigniew Jędrzejewski-Szmek
systemctl would print 'CPUQuotaPerSecUSec=(null)' for no limit. This does not look right. Since USEC_INFINITY is one of the valid values, format_timespan() could return NULL, and we should wrap every use of it in strna() or similar. But most callers didn't do that, and it seems more robust to return a string ("infinity") that makes sense most of the time, even if in some places the result will not be grammatically correct. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18src: minor code cleanupAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udevd: don't fail if /run/udev existsTom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udev: fix typosTom Gundersen
Spotted by Andreas Henriksson. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udev: ctrl - log if setting SO_PASSCRED failsTom Gundersen
No functional change. Found by Coverity. Fixes CID #1237533. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18src/udev/udev-node.c: replace our error handling with upstreamsAnthony G. Basile
eudev has had this error handling for a while. upstream finally added it with the following commit 543afdc63c02a5af3cf6bd2a264162f23474346a by Tom Gundersen <teg@jklm.no>. Both methods are equivalent, but we adopt upstreams for easier maintenance. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udevadm: hwdb - check return value of fseeko()Tom Gundersen
Fonud by Coverity. Fixes CID #996255. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udevd: check return of various functionsTom Gundersen
One reported by Coverity. Fixes CID #996252. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udevd: parse_argv - warn if argumens are invalidTom Gundersen
Found by Coverity. Fixes CID #1238780. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18udev: fix path for database names on 'change' eventRobert Milasan
If a device does not have a major/minor number attached, we use different database names than if it does. On "change" events, we didn't copy the devnum over, therefore, we used different paths than on 'add' or 'remove' events (where devnum was properly copied). Fix this by always copying the devnum into the udev-device. (David: added commit-log from email) Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18libudev: monitor - warn if we fail to request SO_PASSCREDTom Gundersen
The function still succeeds, so there is no functional change. This fixes CID #996288. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-18src/shared: import upstream code needed for recent commitsAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: util - use log_level_from_string()Tom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: event - modernize spawn_exec()Tom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: event - explicitly don't read() from invalid fdTom Gundersen
This fixes CID #1237641. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: event - modernize spawn_read()Tom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: rules - close empty fileTom Gundersen
If the file is found to be empty, we exit early without closing the file first. Found by coverity. Fixes CID #1237759. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: rules - add missing whitespace to log messageTom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udevd: use safe_ato*() in place of strto*()Tom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17libudev: util - drop util_delete_path()Tom Gundersen
Use rmdir_parents() from src/shared instead. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17libudev: drop util_lookup_{user,group}Tom Gundersen
Use shared versions instead. Difference is with overwriting of repeated user/group name, and lack of logging. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: apply permissions to static nodes before signallying READYTom Gundersen
Processes expecting static nodes to have the right permissions may order themselves after systemd-udevd.service, make sure that actually guarantees what is expected. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: only print after final log level has been determinedTom Gundersen
This delays label_init(), and drops the (duplicate) printing of version information. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udevd: initialize epoll_event structs on allocationTom Gundersen
Also move the rest of event initialization next to the event loop (no functional change). Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: don't close std{in,out,err}Tom Gundersen
Rather than printing debug output to stderr and redirecting this to /dev/null when not wanted, use the correct log_*() function in the first place. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: drop duplicate loggingTom Gundersen
Once upon a time logging during early boot was unreliable, so extra logging messages were sent by udev to stderr. That is no longer a concern, so drop all fprintf() calls from udved. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: split out parse_argv()Tom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-17udev: split out help and modernise a bitTom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-15src/shared/set.h: remove unnecessary function declarationAnthony G. Basile
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-15hashmap: introduce hash_ops to make struct Hashmap smallerMichal Schmidt
It is redundant to store 'hash' and 'compare' function pointers in struct Hashmap separately. The functions always comprise a pair. Store a single pointer to struct hash_ops instead. systemd keeps hundreds of hashmaps, so this saves a little bit of memory. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-13udev: timeout - warn after a third of the timeout before killingTom Gundersen
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-13udev: allow removing tags via TAG-="foobar"David Herrmann
This extends the udev parser to support OP_REMOVE (-=) and adds support for TAG-= to remove previously set tags. We don't fail if the tag didn't exist. This is pretty handy if we ship default rules for seat-assignments and users want to exclude specific devices from that. They can easily add rules that drop any automatically added "seat" tags again. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-13skip udev: event - keep one rtnl per worker, rather than per eventAnthony G. Basile
This commit follows upstream's 4c83d994566718043e61e568cc214bdc4587f869 We adopt their removal of excessive logging, but we do not switch to one rtnl per worker, rather than per event. This maintains code separation between libsystemd and udev code. The disadvantage is that we do not get the cost savings of having one rtnl per worker rather than per event. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-13udev: remove userspace firmware loading supportKay Sievers
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2014-09-10udev: timeout - increase timeoutTom Gundersen
Some kernel modules still take more than one minute to insmod, we no longer rely on the timeout killing insmod within a given period of time, so just bump this to a much higher value. Its only purpose is to make sure that nothing stays aronud forever. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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