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‎.gitignore

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*~
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*.o
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Makefile.in
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aclocal.m4
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autom4te.cache
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autoscan.log
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config.h.in
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configure
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depcomp
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install-sh
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missing

‎CMakeLists.txt

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CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR)
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cmake_policy(VERSION 2.6.0)
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INCLUDE(CheckIncludeFiles)
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INCLUDE(CheckLibraryExists)
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INCLUDE(FindPkgConfig)
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MACRO(ADD_TARGET_PROPERTIES _target _name _properties)
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SET(_properties ${ARGV})
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LIST(REMOVE_AT _properties 0)
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LIST(REMOVE_AT _properties 0)
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GET_TARGET_PROPERTY(_old_properties ${_target} ${_name})
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#MESSAGE("adding property to ${_target} ${_name}: ${_properties}")
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IF(NOT _old_properties)
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# in case it's NOTFOUND
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SET(_old_properties)
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ELSE(NOT _old_properties)
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SET(_old_properties "${_old_properties} ")
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ENDIF(NOT _old_properties)
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SET_TARGET_PROPERTIES(${_target} PROPERTIES ${_name} "${_old_properties}${_properties}")
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ENDMACRO(ADD_TARGET_PROPERTIES)
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PROJECT(multiwatch)
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SET(PACKAGE_VERSION 1.0.0)
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IF("${CMAKE_BUILD_TYPE}" STREQUAL "")
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SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE)
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ENDIF("${CMAKE_BUILD_TYPE}" STREQUAL "")
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# libev
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CHECK_INCLUDE_FILES(ev.h HAVE_EV_H)
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IF(HAVE_EV_H)
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CHECK_LIBRARY_EXISTS(ev ev_loop "" HAVE_LIBEV)
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IF(HAVE_LIBEV)
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SET(EV_LIBRARIES ev)
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SET(EV_STATIC_LIBRARIES ev;m)
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CHECK_LIBRARY_EXISTS(rt clock_gettime "" NEED_RT)
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IF(NEED_RT)
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SET(EV_STATIC_LIBRARIES ${EV_STATIC_LIBRARIES} rt)
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ENDIF(NEED_RT)
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ELSE(HAVE_LIBEV)
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MESSAGE(FATAL_ERROR "Couldn't find lib ev")
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ENDIF(HAVE_LIBEV)
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ELSE(HAVE_EV_H)
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MESSAGE(FATAL_ERROR "Couldn't find <ev.h>")
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ENDIF(HAVE_EV_H)
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# GLIB 2
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pkg_check_modules (GLIB2 REQUIRED glib-2.0)
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SET(GLIB_INCLUDES ${GLIB2_INCLUDE_DIRS} ${GLIB2_INCLUDE_DIRS}/glib-2.0/ ${GLIB2_INCLUDE_DIRS}/glib-2.0/include/)
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INCLUDE_DIRECTORIES(${GLIB_INCLUDES})
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SET(MAIN_SOURCE multiwatch.c)
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SET(PACKAGE_NAME ${CMAKE_PROJECT_NAME})
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SET(PACKAGE_VERSION ${PACKAGE_VERSION})
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CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_BINARY_DIR}/config.h ESCAPE_QUOTES)
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ADD_DEFINITIONS(-DHAVE_CONFIG_H)
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INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
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add_executable(multiwatch ${MAIN_SOURCE})
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ADD_TARGET_PROPERTIES(multiwatch COMPILE_FLAGS "-std=gnu99 -Wall -g -Wshadow -W -pedantic -fPIC -D_GNU_SOURCE")
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# libev
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TARGET_LINK_LIBRARIES(multiwatch "${EV_LIBRARIES}")
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# GLIB 2
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ADD_TARGET_PROPERTIES(multiwatch LINK_FLAGS "${GLIB2_LDFLAGS}")
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ADD_TARGET_PROPERTIES(multiwatch COMPILE_FLAGS "${GLIB2_CFLAGS_OTHER}")
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INSTALL(TARGETS multiwatch DESTINATION bin)

‎COPYING

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The MIT License
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Copyright (c) 2008 Stefan Bühler
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.

‎Makefile.am

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AM_CFLAGS=$(GLIB_CFLAGS)
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multiwatch_LDADD=$(GLIB_LIBS)
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EXTRA_DIST=autogen.sh multiwatch.1 CMakeLists.txt config.h.cmake
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man1_MANS=multiwatch.1
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bin_PROGRAMS=multiwatch
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multiwatch_SOURCES=multiwatch.c

‎autogen.sh

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#!/bin/sh
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# Run this to generate all the initial makefiles, etc.
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ACLOCAL=${ACLOCAL:-aclocal}
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AUTOHEADER=${AUTOHEADER:-autoheader}
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AUTOMAKE=${AUTOMAKE:-automake}
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AUTOMAKE_FLAGS="--add-missing --copy"
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AUTOCONF=${AUTOCONF:-autoconf}
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ARGV0=$0
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set -e
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run() {
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echo "$ARGV0: running \`$@'"
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$@
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}
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run $ACLOCAL $ACLOCAL_FLAGS
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run $AUTOHEADER
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run $AUTOMAKE $AUTOMAKE_FLAGS
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run $AUTOCONF
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echo "Now type './configure ...' and 'make' to compile."

‎config.h.cmake

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/*
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CMake autogenerated config.h file. Do not edit!
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*/
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#define PACKAGE_NAME "${PACKAGE_NAME}"
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#define PACKAGE_VERSION "${PACKAGE_VERSION}"

‎configure.ac

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# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.61)
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AC_INIT([multiwatch], [1.0.0], [])
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AC_CONFIG_SRCDIR([multiwatch.c])
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AC_CONFIG_HEADER([config.h])
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AM_INIT_AUTOMAKE([-Wall -Werror foreign])
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# Checks for programs.
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AC_PROG_CC
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AC_PROG_MAKE_SET
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AC_PROG_INSTALL
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# Checks for libraries.
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# glib-2.0
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PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.16.0, [
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AC_DEFINE([HAVE_GLIB_H], [1], [glib.h])
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],[AC_MSG_ERROR("glib-2.0 >= 2.16.0 not found")])
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# lib ev
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AC_CHECK_HEADERS([ev.h], [], [AC_MSG_ERROR("ev.h not found")])
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AC_CHECK_LIB([ev], [ev_loop], [
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LIBS="-lev ${LIBS}"
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AC_DEFINE([HAVE_LIBEV], [1], [ev_loop in -lev])
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], [AC_MSG_ERROR("libev not found")])
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# Checks for header files.
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AC_CHECK_HEADERS([stdlib.h unistd.h], [])
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# Checks for typedefs, structures, and compiler characteristics.
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AC_TYPE_PID_T
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# Checks for library functions.
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AC_FUNC_FORK
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# check for extra compiler options (warning options)
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if test "${GCC}" = "yes"; then
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CFLAGS="${CFLAGS} -Wall -W -Wshadow -pedantic -std=gnu99"
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fi
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AC_ARG_ENABLE(extra-warnings,
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AC_HELP_STRING([--enable-extra-warnings],[enable extra warnings (gcc specific)]),
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[case "${enableval}" in
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yes) extrawarnings=true ;;
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no) extrawarnings=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-extra-warnings) ;;
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esac],[extrawarnings=false])
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if test x$extrawarnings = xtrue; then
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CFLAGS="${CFLAGS} -g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -Wformat-security"
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fi
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT

‎multiwatch.1

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.TH multiwatch 1 "March 24, 2009"
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.SH NAME
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multiwatch \- forks and watches multiple instances of a program in the same environment
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.SH SYNOPSIS
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.B multiwatch
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[options] -- <application> [app arguments]
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.B multiwatch
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\-v
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.B multiwatch
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\-\-help | \-?
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.SH DESCRIPTION
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\fImultiwatch\fP is used to fork and watch multiple fastcgi backends.
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.SH OPTIONS
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.TP 8
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.B \-f, \-\-forks=childs
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Number of childs to fork and watch(default 1)
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.TP 8
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.B \-r, --retry=retries
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Number of retries to fork a single child
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.TP 8
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.B \-t, --timeout=msecs
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Retry timeout in ms; if the child dies after the timeout the retry counter is reset
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.TP 8
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.B \-?, --help
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General usage instructions
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.TP 8
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.B \-v, --version
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Show version
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.SH EXAMPLE
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.TP 8
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Spawn 2 rails instances on the same fastcgi socket (and supervise them):
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.RS 8
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.B spawn-fcgi -s /tmp/fastcgi-php.sock -C 0 -n /usr/bin/multiwatch -f 2 /home/rails/public/dispatch.fcgi
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.RE
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.SH SEE ALSO
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spawn-fcgi(1)
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.SH AUTHOR
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Stefan Buehler <stbuehler@web.de>.

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