Merge branch 'regs-sync'

Add 'syncregs' option which defines group of instances that share
registers.

Patch by Ma_Sys.ma.

Author: xaizek

AUTHORS

@@ -115,3 +115,6 @@ John Shea (a.k.a. coachshea) provided fix for the plugin related to neovim.
 
 Daniel Mueller fixed CWD of the process not matching current view after vifm
 picked up change in file system.
+
+Ma_Sys.ma implemented 'syncregs' option which defines group of instances that
+share registers.

ChangeLog

@@ -51,6 +51,9 @@
 	Added fnameescape() builtin function, which can be used to escape paths on
 	construction of :commands.  Thanks to filterfalse.
 
+	Added 'syncregs' option which defines group of instances that share
+	registers.  Patch by Ma_Sys.ma.
+
 	:quit, :wq, :exit, :xit, ZZ and ZQ now try to close current tab before
 	closing the application.
 

HACKING.md

@@ -182,12 +182,16 @@ there for instructions.
     |  |  |-- filemon.c - file monitoring "object"
     |  |  |-- filter.c - small abstraction over filter driven by a regexp
     |  |  |-- globs.c - provides support of glob patterns
+    |  |  |-- gmux_nix.c - implementation of named mutex on *nix
+    |  |  |-- gmux_win.c - implementation of named mutex on Windows
     |  |  |-- int_stack.c - int stack "object"
     |  |  |-- log.c - primitive logging
     |  |  |-- matcher.c - file path/name matcher (glob/regexp/mime-type)
     |  |  |-- matchers.c - list of matchers (which are ANDed together)
     |  |  |-- path.c - various functions to work with paths
     |  |  |-- regexp.c - regexp related
+    |  |  |-- shmem_nix.c - implementation of named shared memory on *nix
+    |  |  |-- shmem_win.c - implementation of named shared memory on Windows
     |  |  |-- str.c - various string functions
     |  |  |-- string_array.c - functions to work with arrays of strings
     |  |  |-- trie.c - 3-way trie implementation

THANKS

@@ -90,6 +90,7 @@ Marcos Cruz
 Marius Schmidl
 Martin Fischer
 Marton Balazs (balmar)
+Ma_Sys.ma
 mateusz28
 Merovius
 Michael Corvin

TODO

@@ -89,7 +89,6 @@ Possible things to add:
   * Reverse searching
   * Add g/ and g? commands (search, but don't select files).
   * Support true-colors for colorschemes.
-  * IPC among all running vifm instances (share settings among instances).
   * Parse escape sequences in menus as in preview.
   * Virtual File System - currently vifm can use FUSE to mount most file
     systems.

configure

@@ -8427,6 +8427,47 @@ if test "x$ac_cv_lib_m_pow" = xyes; then :
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for shm_open in -lrt" >&5
+$as_echo_n "checking for shm_open in -lrt... " >&6; }
+if ${ac_cv_lib_rt_shm_open+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lrt  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shm_open ();
+int
+main ()
+{
+return shm_open ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_rt_shm_open=yes
+else
+  ac_cv_lib_rt_shm_open=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_shm_open" >&5
+$as_echo "$ac_cv_lib_rt_shm_open" >&6; }
+if test "x$ac_cv_lib_rt_shm_open" = xyes; then :
+  LIBS="$LIBS -lrt"
+fi
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -pthread" >&5
 $as_echo_n "checking whether C compiler accepts -pthread... " >&6; }
 if ${ax_cv_check_cflags___pthread+:} false; then :

configure.ac

@@ -384,6 +384,9 @@ dnl Use math library if present (standard doesn't require it to be separated
 dnl from libc)
 AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"])
 
+dnl Enable POSIX shared memory
+AC_CHECK_LIB(rt, shm_open, [LIBS="$LIBS -lrt"])
+
 dnl Use pthread library
 AX_CHECK_COMPILE_FLAG([-pthread], [
     TESTS_CFLAGS="$CFLAGS -pthread"

data/man/vifm.1

@@ -1,4 +1,4 @@
-.TH VIFM 1 "March 31, 2018" "vifm 0.9.1"
+.TH VIFM 1 "April 18, 2018" "vifm 0.9.1"
 .\" ---------------------------------------------------------------------------
 .SH NAME
 .\" ---------------------------------------------------------------------------
@@ -4341,6 +4341,16 @@ specifies the delay in ms (500 by default), 'timeoutlen' at most;
  - marks           - include marks;
  - registers[:num] - include registers, at most num files (5 by default).
 .TP
+.BI 'syncregs'
+type: string
+.br
+default:
+.br
+Specifies identifier of group of instances that share registers between each
+other.  When several instances of vifm have this option set to identical
+value, they automatically synchronize contents of their registers on
+operations which use them.
+.TP
 .BI 'syscalls'
 type: boolean
 .br

data/vim/doc/app/vifm-app.txt

@@ -1,4 +1,4 @@
-*vifm-app.txt*    For Vifm version 0.9.1  Last change: 2018 Mar 31
+*vifm-app.txt*    For Vifm version 0.9.1  Last change: 2018 Apr 18
 
  Email for bugs and suggestions: <xaizek@posteo.net>
 
@@ -3599,6 +3599,16 @@ values are available:
  - marks           - include marks;
  - registers[:num] - include registers, at most num files (5 by default).
 
+                                               *vifm-'syncregs'*
+syncregs
+type: string
+default:
+
+Specifies identifier of group of instances that share registers between each
+other.  When several instances of vifm have this option set to identical
+value, they automatically synchronize contents of their registers on
+operations which use them.
+
                                                *vifm-'syscalls'*
 syscalls
 type: boolean

data/vim/syntax/vifm.vim

@@ -1,6 +1,6 @@
 " vifm syntax file
 " Maintainer:  xaizek <xaizek@posteo.net>
-" Last Change: March 31, 2018
+" Last Change: April 18, 2018
 " Inspired By: Vim syntax file by Dr. Charles E. Campbell, Jr.
 
 if exists('b:current_syntax')
@@ -129,9 +129,10 @@ syntax keyword vifmOption contained aproposprg autochpos caseoptions cdpath cd
 		\ numberwidth nuw previewprg quickview relativenumber rnu rulerformat ruf
 		\ runexec scrollbind scb scrolloff so sort sortgroups sortorder sortnumbers
 		\ shell sh shortmess shm showtabline stal sizefmt slowfs smartcase scs
-		\ statusline stl suggestoptions syscalls tabscope tabstop timefmt timeoutlen
-		\ title tm trash trashdir ts tuioptions to undolevels ul vicmd viewcolumns
-		\ vifminfo vimhelp vixcmd wildmenu wmnu wildstyle wordchars wrap wrapscan ws
+		\ statusline stl suggestoptions syncregs syscalls tabscope tabstop timefmt
+		\ timeoutlen title tm trash trashdir ts tuioptions to undolevels ul vicmd
+		\ viewcolumns vifminfo vimhelp vixcmd wildmenu wmnu wildstyle wordchars wrap
+		\ wrapscan ws
 
 " Disabled boolean options
 syntax keyword vifmOption contained noautochpos nocf nochaselinks nodotfiles