# # Patch managed by http://www.mn-logistik.de/unsupported/pxa250/patcher # --- qt-2.3.7/src/kernel/qapplication_qws.cpp~daemonize 2004-07-17 22:47:54.840820000 +0200 +++ qt-2.3.7/src/kernel/qapplication_qws.cpp 2004-07-17 23:34:32.407525912 +0200 @@ -103,6 +103,7 @@ #endif #include <sys/time.h> +#include <syslog.h> #if defined(_OS_AIX_) && defined(_CC_GNU_) #include <sys/select.h> @@ -162,6 +163,7 @@ //these used to be environment variables, they are initialized from //environment variables in +bool qws_daemon = TRUE; bool qws_savefonts = FALSE; bool qws_screen_is_interlaced=FALSE; //### should be detected bool qws_shared_memory = FALSE; @@ -1614,6 +1616,10 @@ mwGeometry = argv[i]; } else if ( arg == "-shared" ) { qws_shared_memory = TRUE; + } else if ( arg == "-daemon" ) { + qws_daemon = TRUE; + } else if ( arg == "-nodaemon" ) { + qws_daemon = FALSE; } else if ( arg == "-noshared" ) { qws_shared_memory = FALSE; } else if ( arg == "-savefonts" ) { @@ -1670,6 +1676,78 @@ qt_appType = type; qws_single_process = TRUE; + /* Daemonize the server process -- (C) Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * Added a new command line option which only is relevant if the application is created as a GuiServer. + * The option is -daemon respectively -nodaemon. If in daemon mode (which is the default now), the + * server will detach from the controlling terminal and continue as a daemon. This is done via the standard + * UNIX double fork magic. + */ + if ( qws_daemon ) + { + qWarning( "qt_init() - starting in daemon mode..." ); + + int pid1 = fork(); + if ( pid1 == -1 ) + { + qWarning( "qt_init() - can't perform initial fork: %s", strerror( errno ) ); + exit( -1 ); + } + if ( pid1 ) _exit( 0 ); // ok, first fork performed + + chdir( "/" ); + setsid(); + umask(0); + close(0); + close(1); + close(2); + + int fdnull = ::open( "/dev/null", O_RDWR ); + if ( fdnull == -1 ) + { + syslog( 3, "qt_init() - can't open /dev/null to redirect std{in|out|err}: %s", strerror( errno ) ); + exit( -1 ); + } + dup2( fdnull, 0 ); // stdin + dup2( fdnull, 1 ); // stdout + dup2( fdnull, 2 ); // stderr + + int pid2 = fork(); + if ( pid2 == -1 ) + { + syslog( 3, "qt_init() - can't perform initial fork: %s", strerror( errno ) ); + exit( -1 ); + } + if ( pid2 ) + { + syslog( 4, "qt_init() [%d] - successfully entered daemon mode", pid2 ); + _exit( 0 ); // ok, second fork performed + } + } + + /* + * , , + * /( )` + * \ \___ / | B E W A R E ! + * /- _ `-/ ' We are a DAEMON now! + * (/\/ \ \ /\ + * / / | ` \ + * O O ) / | + * `-^--'`< ' + * (_.) _ ) / + * `.___/` / + * `-----' / + * <----. __ / __ \ + * <----|====O)))==) \) /==== + * <----' `--' `.__,' \ + * | | + * \ / + * ______( (_ / \______ + * (FL) ,' ,-----' | \ + * `--{__________) \/ + * + */ + + /* Allocate a dedicated virtual terminal -- (C) Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> * Added a new command line option which only is relevant if the application is created as a GuiServer. * The option is -terminal <num>, where <num> specifies the virtual terminal to be occupied by the server.