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2015-01-05journald: process SIGBUS for the memory maps we set upLennart Poettering
Even though we use fallocate() it appears that file systems like btrfs will trigger SIGBUS on certain low-disk-space situation. We should handle that, hence catch the signal, add it to a list of invalidated pages, and replace the page with an empty memory area. After each write check if SIGBUS was triggered, and consider the write invalid if it was. This should make journald a lot more robust with file systems where fallocate() is not reliable, for example all CoW file systems (btrfs...), where changing written data can fail with disk full errors. https://bugzilla.redhat.com/show_bug.cgi?id=1045810
2014-12-30tree-wide: spelling fixesVeres Lajos
https://github.com/vlajos/misspell_fixer https://github.com/torstehu/systemd/commit/b6fdeb618cf2f3ce1645b3315f15f482710c7ffa Thanks to Torstein Husebo <torstein@huseboe.net>.
2014-12-30macro: add DIV_ROUND_UP()David Herrmann
This macro calculates A / B but rounds up instead of down. We explicitly do *NOT* use: (A + B - 1) / A as it suffers from an integer overflow, even though the passed values are properly tested against overflow. Our test-cases show this behavior. Instead, we use: A / B + !!(A % B) Note that on "Real CPUs" this does *NOT* result in two divisions. Instead, instructions like idivl@x86 provide both, the quotient and the remainder. Therefore, both algorithms should perform equally well (I didn't verify this, though).
2014-12-29capability: use /proc/sys/kernel/cap_last_capDavid Herrmann
This file was introduced with linux-3.2, use it instead of probing for it via prctl(PR_CAPBSET_READ). For now, keep the old code for backwards compat. We can drop it once 3.2 is our lowest requirement. The test-cap-list code is extended to verify cap_last_cap() is the same as we'd get via prctl probing and /proc.
2014-12-29test: loopback - parse logging env varTom Gundersen
2014-12-28machined: add support for reporting image size via btrfs quotaLennart Poettering
2014-12-28tmpfiles: add new line type 'v' for creating btrfs subvolumesLennart Poettering
2014-12-26test: improve btrfs test caseLennart Poettering
2014-12-25test: wait for cloned thread to exitFilipe Brandenburger
In test_raw_clone, make sure the cloned thread calls _exit() and in the parent thread call waitpid(..., __WCLONE) to wait for the child thread to terminate, otherwise there is a race condition where the child thread will log to the console after the test process has already exited and the assertion from the child thread might not be enforced. The absence of this patch might also create problems for other tests that would be added after this one, since potentially both parent and child would run those tests as the child would continue running. Tested by confirming that the logs from the child are printed before the test terminates and that a false assertion in the child aborts the test with a core dump. [zj: also add check for the return value.]
2014-12-25test: only use assert_se in test_raw_cloneFilipe Brandenburger
The asserts used in the tests should never be allowed to be optimized away.
2014-12-25test: do not use last cap from kernel in test-cap-listFilipe Brandenburger
The new test-cap-list introduced in commit 2822da4fb7f891 uses the included table of capabilities. However, it uses cap_last_cap() which probes the kernel for the last available capability. On an older kernel (e.g. 3.10 from RHEL 7) that causes the test to fail with the following message: Assertion '!capability_to_name(cap_last_cap()+1)' failed at src/test/test-cap-list.c:30, function main(). Aborting. Fix it by exporting the size of the static table and using it in the test instead of the dynamic one from the current kernel. Tested by successfully running ./test-cap-list and the whole `make check` test suite with this patch on a RHEL 7 host.
2014-12-25machined: beef up machined image listing with creation/modification times of ↵Lennart Poettering
subvolumes We make use of the btrfs subvol crtime for this, and for gpt images of a manually managed xattr, if we can.
2014-12-23env-util: don't include files from src/core/Lennart Poettering
2014-12-23core: rearrange code so that libsystemd/sd-bus/ does not include header ↵Lennart Poettering
files from core Stuff in src/shared or src/libsystemd should *never* include code from src/core or any of the tools, so don't do that here either. It's not OK!
2014-12-22shared: json - support escaping utf16 surrogate pairsTom Gundersen
We originally only supported escaping ucs2 encoded characters (as \uxxxx). This only covers the BMP. Support escaping also utf16 surrogate pairs (on the form \uxxxx\uyyyy) to cover all of unicode.
2014-12-22shared: utf8 - support decoding the full utf16Tom Gundersen
We originally only supported the BMP (i.e., we treated UTF-16 as UCS-2).
2014-12-22shared: utf8 - support ucs4 -> utf8Tom Gundersen
Originally we only supported ucs2, so move the ucs4 version from libsystemd-terminal to shared and use that everywhere.
2014-12-19strv: ass new strv_is_uniq() and strv_reverse() callsLennart Poettering
2014-12-18load-fragment: allow quoting in command name and document allowed escapesZbigniew Jędrzejewski-Szmek
The handling of the command name and other arguments is unified. This simplifies things and should make them more predictable for users. Incidentally, this makes ExecStart handling match the .desktop file specification, apart for the requirment for an absolute path. https://bugs.freedesktop.org/show_bug.cgi?id=86171
2014-12-18Treat a trailing backslash as an errorZbigniew Jędrzejewski-Szmek
Commit a2a5291b3f5 changed the parser to reject unfinished quoted strings. Unfortunately it introduced an error where a trailing backslash would case an infinite loop. Of course this must fixed, but the question is what to to instead. Allowing trailing backslashes and treating them as normal characters would be one option, but this seems suboptimal. First, there would be inconsistency between handling of quoting and of backslashes. Second, a trailing backslash is most likely an error, at it seems better to point it out to the user than to try to continue. Updated rules: ExecStart=/bin/echo \\ → OK, prints a backslash ExecStart=/bin/echo \ → error ExecStart=/bin/echo "x → error ExecStart=/bin/echo "x"y → error
2014-12-18test-strv: use STRV_MAKEZbigniew Jędrzejewski-Szmek
2014-12-18test-cap-list: allow mismatch in caseZbigniew Jędrzejewski-Szmek
2014-12-18core: use raw_clone instead of fork in signal handlerZbigniew Jędrzejewski-Szmek
fork() is not async-signal-safe and calling it from the signal handler could result in a deadlock when at_fork() handlers are called. Using the raw clone() syscall sidesteps that problem. The tricky part is that raise() does not work, since getpid() does not work. Add raw_getpid() to get the real pid, and use kill() instead of raise(). https://bugs.freedesktop.org/show_bug.cgi?id=86604
2014-12-18test-unit-file: add test for semicolon escapingZbigniew Jędrzejewski-Szmek
https://bugs.freedesktop.org/show_bug.cgi?id=87393
2014-12-16test-json: use fabsThomas Hindoe Paaboel Andersen
2014-12-16systemctl: refuse to edit runtime dropins when they already exist in /etcZbigniew Jędrzejewski-Szmek
The check for existing unit files and dropins is unified. path_join() is updated to not insert duplicate separators.
2014-12-15shared: add minimal JSON tokenizerLennart Poettering
2014-12-13test-unit-name: add more testsRonny Chevalier
Add more test cases for: - unit_name_is_instance - unit_name_to_instance Add tests for: - unit_name_template - unit_name_is_template
2014-12-12test-cap-list: always check libcap comes to the same names as we do, for the ↵Lennart Poettering
names it knows
2014-12-12cap-list: return lower-case capability names, similar to libcap's ↵Lennart Poettering
cap_to_name(), for compat reasons
2014-12-12copy: use btrfs reflinking only whe we know we copy full filesLennart Poettering
2014-12-12shared: add new btrfs-util.[ch] helpers for doing common btrfs operationLennart Poettering
2014-12-12util: when using basename() for creating temporary files, verify the ↵Lennart Poettering
resulting name is actually valid Also, rename filename_is_safe() to filename_is_valid(), since it actually does a full validation for what the kernel will accept as file name, it's not just a heuristic.
2014-12-11test-condition: add more test casesRonny Chevalier
2014-12-11test-strv: add test for strv_equalRonny Chevalier
2014-12-11test-execute: add tests for UMask directiveRonny Chevalier
2014-12-11test-unit-name: add tests for %fRonny Chevalier
2014-12-11tree-wide: use our memset() macros instead of memset() itselfLennart Poettering
2014-12-11treewide: correct spacing near eol in code commentsTorstein Husebø
2014-12-10test: fix some tests when running inside a containerJan Synacek
2014-12-10util: introduce our own gperf based capability listLennart Poettering
This way, we can ensure we have a more complete, up-to-date list of capabilities around, always.
2014-12-09sd-bus: get rid of PID starttime conceptLennart Poettering
As kdbus no longer exports this, remove all traces from sd-bus too
2014-12-04utf8: when escaping unprintable unichars, escape the whole unichar, not just ↵Lennart Poettering
the first byte of it
2014-12-04utf8: intruduce utf8_escape_non_printableWaLyong Cho
2014-12-04test-path-util: fix a leakThomas Hindoe Paaboel Andersen
2014-12-03strv: add calls to add two entries to an strv at onceLennart Poettering
2014-11-28treewide: convert some left-over (usec_t) -1 to USEC_INFINITYLennart Poettering
2014-11-28treewide: introduce UID_INVALID (and friends) as macro for (uid_t) -1Lennart Poettering
2014-11-28treewide: use log_*_errno whenever %m is in the format stringMichal Schmidt
If the format string contains %m, clearly errno must have a meaningful value, so we might as well use log_*_errno to have ERRNO= logged. Using: find . -name '*.[ch]' | xargs sed -r -i -e \ 's/log_(debug|info|notice|warning|error|emergency)\((".*%m.*")/log_\1_errno(errno, \2/' Plus some whitespace, linewrap, and indent adjustments.
2014-11-28treewide: no need to negate errno for log_*_errno()Michal Schmidt
It corrrectly handles both positive and negative errno values.