X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd_id128_randomize.xml;h=be74937dd0284787960463eedda5dcf7837d6cb0;hp=499c55fb60bcc8b15ecfe21e157f171d80067e3f;hb=c978343015c787713651dff571acb5207367f5f2;hpb=12355095821fc17529af5b6eaefa31c3c520be39 diff --git a/man/sd_id128_randomize.xml b/man/sd_id128_randomize.xml index 499c55fb6..be74937dd 100644 --- a/man/sd_id128_randomize.xml +++ b/man/sd_id128_randomize.xml @@ -44,9 +44,7 @@ sd_id128_randomize - sd_id128_get_machine - sd_id128_get_boot - Generate or retrieve 128 bit IDs + Generate 128 bit IDs @@ -58,16 +56,6 @@ sd_id128_t* ret - - int sd_id128_get_machine - sd_id128_t* ret - - - - int sd_id128_get_boot - sd_id128_t* ret - - @@ -81,40 +69,14 @@ /dev/urandom kernel random number generator. - sd_id128_get_machine() - returns the machine ID of the executing host. This - reads and parses the - machine-id5 - file. This function caches the machine ID internally - to make retrieving the machine ID a cheap - operation. - - sd_id128_get_boot() returns - the boot ID of the executing kernel. This reads and - parses the - /proc/sys/kernel/random/boot_id - file exposed by the kernel. It is randomly generated - early at boot and is unique for every running kernel - instance. See - random4 - for more information. This function also internally - caches the returned ID to make this call a cheap - operation. - Note that - sd_id128_randomize() and - sd_id128_get_boot() always return + sd_id128_randomize() always returns a UUID v4 compatible - ID. sd_id128_get_machine() will - also return a UUID v4 compatible ID on new - installations, but might not on older. It is possible - to convert the machine ID into an UUID v4 compatible - one. For more information see - machine-id5. + ID. For more information about the sd_id128_t type see - sd-id1287. + sd-id1283. journalctl1's --new-id command may be used as @@ -125,7 +87,7 @@ Return Value - The three calls returns 0 on success (in which + The call returns 0 on success (in which case ret is filled in), or a negative errno-style error code. @@ -133,10 +95,8 @@ Notes - The sd_id128_randomize(), - sd_id128_get_machine() and - sd_id128_get_boot() interfaces - are available as shared library, which can be compiled + The sd_id128_randomize() interface + is available as shared library, which can be compiled and linked to with the libsystemd-id128 pkg-config1 @@ -148,9 +108,10 @@ systemd1, - sd-id1287, + sd-id1283, machine-id5, - random4 + random4, + sd_id128_get_machine3