X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsd_journal_get_realtime_usec.xml;h=b57a7c15b26eb7cdd86cac68f8610c0209ba691b;hb=74d005783e355acc784d123024e33bbb66ef9ef1;hp=a8aa3a4772059961bc56b72eedd44e659fa554f9;hpb=b59866aefa110d368460edc14f98cd6d79fe05cd;p=elogind.git diff --git a/man/sd_journal_get_realtime_usec.xml b/man/sd_journal_get_realtime_usec.xml index a8aa3a477..b57a7c15b 100644 --- a/man/sd_journal_get_realtime_usec.xml +++ b/man/sd_journal_get_realtime_usec.xml @@ -77,29 +77,30 @@ journal context object and a pointer to a 64 Bit unsigned integer to store the timestamp in. The timestamp is in microseconds since the epoch, - i.e. CLOCK_REALTIME. + i.e. CLOCK_REALTIME. sd_journal_get_monotonic_usec() - gets the monotonic timestamp of the current - journal entry. It takes three arguments: the journal - context object, a pointer to a 64 Bit unsigned integer - to store the timestamp in as well as a 128 Bit ID - buffer to store the boot ID of the monotonic timestamp + gets the monotonic timestamp of the current journal + entry. It takes three arguments: the journal context + object, a pointer to a 64 Bit unsigned integer to + store the timestamp in as well as a 128 Bit ID buffer + to store the boot ID of the monotonic timestamp in. The timestamp is in microseconds since boot-up of - the specific boot, i.e. CLOCK_MONOTONIC. Since the + the specific boot, + i.e. CLOCK_MONOTONIC. Since the monotonic clock begins new with every reboot it only defines a well-defined point in time when used together with an identifier identifying the boot, see sd_id128_get_boot3 for more information. If the boot ID parameter is - passed NULL the function will fail if the monotonic - timestamp of the current entry is not of the current - system boot. + passed NULL the function will + fail if the monotonic timestamp of the current entry + is not of the current system boot. Note that these functions will not work before sd_journal_next3 (or related call) has been called at least - once. + once, in order to position the read pointer at a valid entry. @@ -109,7 +110,7 @@ and sd_journal_get_monotonic_usec() returns 0 on success or a negative errno-style error - code. If the boot ID parameter was passed NULL and the + code. If the boot ID parameter was passed NULL and the monotonic timestamp of the current journal entry is not of the current system boot, -ESTALE is returned by sd_journal_get_monotonic_usec(). @@ -123,7 +124,7 @@ sd_journal_get_monotonic_usec() interfaces are available as shared library, which can be compiled and linked to with the - libsystemd-journal + libsystemd-journal pkg-config1 file.