X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd_journal_print.xml;h=7b08733171751262f71ef5f740f4f174c4cf192a;hp=e61a648703cdcb1825253f1894ef299d384dfd88;hb=38180c856898d352fca38ce85d55f2d89cf8be97;hpb=79640424059328268b9fb6c5fa8eb777b27a177e diff --git a/man/sd_journal_print.xml b/man/sd_journal_print.xml index e61a64870..7b0873317 100644 --- a/man/sd_journal_print.xml +++ b/man/sd_journal_print.xml @@ -153,8 +153,8 @@ for details) instead of the format string. Each structure should reference one field of the entry to submit. The second argument specifies the number of - structures in the - array. sd_journal_sendv() is + structures in the array. + sd_journal_sendv() is particularly useful to submit binary objects to the journal where that is necessary. @@ -220,6 +220,19 @@ sd_journal_send("MESSAGE=Hello World, this is PID %lu!", (unsigned long) getpid( variable itself is not altered. + + Async signal safety + sd_journal_sendv() is "async signal + safe" in the meaning of signal7. + + + sd_journal_print, + sd_journal_printv, + sd_journal_send, and + sd_journal_perror are + not async signal safe. + + Notes @@ -227,7 +240,7 @@ sd_journal_send("MESSAGE=Hello World, this is PID %lu!", (unsigned long) getpid( sd_journal_printv(), sd_journal_send() and sd_journal_sendv() interfaces - are available as shared library, which can be compiled + are available as a shared library, which can be compiled and linked to with the libsystemd-journal pkg-config1 file. @@ -243,7 +256,9 @@ sd_journal_send("MESSAGE=Hello World, this is PID %lu!", (unsigned long) getpid( syslog3, perror3, errno3, - systemd.journal-fields7 + systemd.journal-fields7, + signal7, + socket7