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.\" ======================================================================== |
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.\" |
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.IX Title "@@RXVT_NAME@@ 1" |
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.TH @@RXVT_NAME@@ 1 "2021-05-14" "@@RXVT_VERSION@@" "RXVT-UNICODE" |
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes |
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.\" way too many mistakes in technical documents. |
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.nh |
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.SH "NAME" |
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@@RXVT_NAME@@d \- @@RXVT_NAME@@ terminal daemon |
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.SH "SYNOPSIS" |
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.IX Header "SYNOPSIS" |
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\&\fB@@RXVT_NAME@@d\fR [\-q|\-\-quiet] [\-o|\-\-opendisplay] [\-f|\-\-fork] [\-m|\-\-mlock] [\-e|\-\-eval \fIperlstring\fR] |
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.PP |
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\&\fB@@RXVT_NAME@@d\fR \-q \-o \-f # for .xsession use |
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.SH "DESCRIPTION" |
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.IX Header "DESCRIPTION" |
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This manpage describes the @@RXVT_NAME@@d daemon, which is the same vt102 |
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terminal emulator as @@RXVT_NAME@@, but runs as a daemon that can open |
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multiple terminal windows within the same process. |
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.PP |
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You can run it from your X startup scripts, for example, although it is |
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not dependent on a working \s-1DISPLAY\s0 and, in fact, can open windows on |
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multiple X displays on the same time. |
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.PP |
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Advantages of running a @@RXVT_NAME@@ daemon include faster creation time |
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for terminal windows and a lot of saved memory. |
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.PP |
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The disadvantage is a possible impact on stability \- if the |
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main program crashes, all processes in the terminal windows are |
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terminated. For example, as there is no way to cleanly react to abnormal |
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connection closes, \f(CW\*(C`xkill\*(C'\fR and server resets/restarts will kill the |
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\&\fB@@RXVT_NAME@@d\fR instance including all windows it has opened. |
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.SH "OPTIONS" |
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.IX Header "OPTIONS" |
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\&\fB@@RXVT_NAME@@d\fR currently understands a few options only. Bundling of |
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options is not yet supported. |
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.IP "\fB\-q\fR, \fB\-\-quiet\fR" 4 |
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.IX Item "-q, --quiet" |
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Normally, \fB@@RXVT_NAME@@d\fR outputs the message \f(CW\*(C`rxvt\-unicode daemon |
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listening on <path>\*(C'\fR after binding to its control socket. This option |
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will suppress this message (errors and warnings will still be logged). |
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.IP "\fB\-o\fR, \fB\-\-opendisplay\fR" 4 |
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.IX Item "-o, --opendisplay" |
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This forces \fB@@RXVT_NAME@@d\fR to open a connection to the current |
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\&\f(CW$DISPLAY\fR and keep it open. |
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.Sp |
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This is useful if you want to bind an instance of \fB@@RXVT_NAME@@d\fR to |
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the lifetime of a specific display/server. If the server does a reset, |
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\&\fB@@RXVT_NAME@@d\fR will be killed automatically. |
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.IP "\fB\-f\fR, \fB\-\-fork\fR" 4 |
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.IX Item "-f, --fork" |
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This makes \fB@@RXVT_NAME@@d\fR fork after it has bound itself to its control |
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socket. |
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.IP "\fB\-m\fR, \fB\-\-mlock\fR" 4 |
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.IX Item "-m, --mlock" |
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This makes \fB@@RXVT_NAME@@d\fR call \fBmlockall\fR\|(2) on itself. This locks |
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\&\fB@@RXVT_NAME@@d\fR in \s-1RAM\s0 and prevents it from being swapped out to disk, |
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at the cost of consuming a lot more memory on most operating systems. |
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.Sp |
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Note: In order to use this feature, your system administrator must have set |
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your user's \s-1RLIMIT_MEMLOCK\s0 to a size greater than or equal to the size of the |
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\&\fB@@RXVT_NAME@@d\fR binary (or to unlimited). See \fI/etc/security/limits.conf\fR. |
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.Sp |
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Note 2: There is a known bug in glibc (possibly fixed in 2.8 and later |
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versions) where calloc returns non-zeroed memory when mlockall is in |
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effect. If you experience crashes or other odd behaviour while using |
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\&\-\-mlock, try it without it. |
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.IP "\fB\-e\fR, \fB\-\-eval\fR \fIperlstring\fR" 4 |
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.IX Item "-e, --eval perlstring" |
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Evaluate the given perl code after basic initialisation (requires perl |
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support to be enabled when compiling \fB@@RXVT_NAME@@d\fR). |
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.Sp |
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This can be used for example to configure the internal perl interpreter, |
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which is shared between all terminal instances, or create additional |
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listening sockets for additional protocols. |
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.Sp |
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The code is currently executed \fIbefore\fR creating the normal listening |
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sockets: this might change in future versions. |
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.SH "EXAMPLES" |
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.IX Header "EXAMPLES" |
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This is a useful invocation of \fB@@RXVT_NAME@@d\fR in a \fI.xsession\fR\-style |
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script: |
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.PP |
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.Vb 1 |
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\& @@RXVT_NAME@@d \-q \-f \-o |
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.Ve |
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.PP |
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This waits till the control socket is available, opens the current display |
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and forks into the background. When you log-out, the server is reset and |
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\&\fB@@RXVT_NAME@@d\fR is killed. |
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.SH "ENVIRONMENT" |
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.IX Header "ENVIRONMENT" |
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.IP "\fB\s-1RXVT_SOCKET\s0\fR" 4 |
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.IX Item "RXVT_SOCKET" |
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Both \fB@@RXVT_NAME@@c\fR and \fB@@RXVT_NAME@@d\fR use the environment |
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variable \fI\s-1RXVT_SOCKET\s0\fR to create a listening socket and to contact |
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the @@RXVT_NAME@@d, respectively. If the variable is missing then |
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\&\fI\f(CI$HOME\fI/.urxvt/urxvtd\-\fI<nodename>\fI\fR is used. |
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.IP "\fB\s-1LISTEN_PID\s0\fR, \fB\s-1LISTEN_FDS\s0\fR, \fB\s-1LISTEN_FDNAMES\s0\fR" 4 |
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.IX Item "LISTEN_PID, LISTEN_FDS, LISTEN_FDNAMES" |
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if these environment variables are set, @@RXVT_NAME@@d checks for a file |
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descriptor passed by the service manager via systemd native interface. If |
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one is provided, @@RXVT_NAME@@d uses it as its listening socket instead of |
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creating one as specified above. |
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.IP "\fB\s-1DISPLAY\s0\fR" 4 |
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.IX Item "DISPLAY" |
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Only used when the \f(CW\*(C`\-\-opendisplay\*(C'\fR option is specified. Must contain a |
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valid X display name. |
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.SH "SEE ALSO" |
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.IX Header "SEE ALSO" |
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@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1) |
