X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd.exec.xml;h=7dbe05d265123e08411eedacfbbb7dd606551591;hb=099524d7b0df690e3361ffc3fe3c6aed0558b4fc;hp=01356e4c459ac9b1b01874cb313331a0f6d3c53e;hpb=57183d117a1d6a96d71ce99d648beb0d2b36228d;p=elogind.git diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml index 01356e4c4..7dbe05d26 100644 --- a/man/systemd.exec.xml +++ b/man/systemd.exec.xml @@ -248,7 +248,7 @@ Controls the CPU affinity of the executed processes. Takes a space-separated - list of CPU indexes. This option may + list of CPU indices. This option may be specified more than once in which case the specificed CPU affinity masks are merged. If the empty string is @@ -472,9 +472,9 @@ StandardError= Controls where file - descriptor 2 (STDERR) of the executed - processes is connected to. The - available options are identical to + descriptor 2 (STDERR) of the + executed processes is connected to. + The available options are identical to those of StandardOutput=, with one exception: if set to @@ -491,8 +491,8 @@ TTYPath= Sets the terminal - device node to use if standard input, - output or stderr are connected to a + device node to use if standard input, output, + or error are connected to a TTY (see above). Defaults to /dev/console. @@ -1033,7 +1033,7 @@ If you specify both types of this option (i.e. whitelisting and - blacklisting) the first encountered + blacklisting), the first encountered will take precedence and will dictate the default action (termination or approval of a system call). Then the @@ -1041,23 +1041,15 @@ add or delete the listed system calls from the set of the filtered system calls, depending of its type and the - default action (e.g. You have started + default action. (For example, if you have started with a whitelisting of read and - write and right + write, and right after it add a blacklisting of write, then write will be - removed from the set). + removed from the set.) - - Note that setting - SystemCallFilter= - implies a - SystemCallArchitectures= - setting of native - (see below), unless that option is - configured otherwise. @@ -1071,11 +1063,11 @@ is triggered, instead of terminating the process immediately. Takes an error name such as - EPERM, - EACCES or - EUCLEAN. When this + EPERM, + EACCES or + EUCLEAN. When this setting is not used, or when the empty - string is assigned the process will be + string is assigned, the process will be terminated immediately when the filter is triggered. @@ -1088,40 +1080,51 @@ identifiers to include in the system call filter. The known architecture identifiers are - x86, - x86-64, - x32, - arm as well as the + x86, + x86-64, + x32, + arm as well as the special identifier - native. Only system + native. Only system calls of the specified architectures will be permitted to processes of this unit. This is an effective way to disable compatibility with non-native architectures for processes, for - example to prohibit execution of 32bit - x86 binaries on 64bit x86-64 + example to prohibit execution of + 32-bit x86 binaries on 64-bit x86-64 systems. The special - native identifier + native identifier implicitly maps to the native architecture of the system (or more strictly: to the architecture the system manager is compiled for). Note that setting this option to a non-empty list implies that - native is included - too. By default this option is set to + native is included + too. By default, this option is set to the empty list, i.e. no architecture - system call filtering is applied. Note - that configuring a system call filter - with - SystemCallFilter= - (above) implies a - native architecture - list, unless configured - otherwise. + system call filtering is + applied. + + Personality= + + Controls which + kernel architecture + uname2 + shall report, when invoked by unit + processes. Takes one of + x86 and + x86-64. This is + useful when running 32bit services on + a 64bit host system. If not specified + the personality is left unmodified and + thus reflects the personality of the + host system's + kernel. + @@ -1205,6 +1208,17 @@ tty. + + $MAINPID + + The PID of the units + main process if it is known. This is + only set for control processes as + invoked by + ExecReload= and + similar. + + $MANAGERPID