5 kx
5 kx #ifdef HAVE_CONFIG_H
5 kx #include <config.h>
5 kx #endif
5 kx
5 kx #include <stdlib.h>
5 kx #include <stdio.h>
5 kx #include <sys/sysinfo.h>
5 kx #include <sys/types.h>
5 kx #include <stdint.h>
5 kx #include <dirent.h>
5 kx #include <sys/stat.h> /* chmod(2) */
5 kx #include <fcntl.h>
5 kx #include <limits.h>
5 kx #include <string.h> /* strdup(3) */
5 kx #include <libgen.h> /* basename(3) */
5 kx #include <ctype.h> /* tolower(3) */
5 kx #include <errno.h>
5 kx #include <time.h>
5 kx #include <sys/time.h>
5 kx #include <pwd.h>
5 kx #include <grp.h>
5 kx #include <stdarg.h>
5 kx #include <unistd.h>
5 kx
5 kx #include <sys/inotify.h>
5 kx
5 kx #include <locale.h>
5 kx #include <wchar.h>
5 kx #include <wctype.h>
5 kx
5 kx #include <sys/wait.h>
5 kx
5 kx #include <sys/resource.h>
5 kx
5 kx #include <signal.h>
5 kx #if !defined SIGCHLD && defined SIGCLD
5 kx # define SIGCHLD SIGCLD
5 kx #endif
5 kx
5 kx #define _GNU_SOURCE
5 kx #include <getopt.h>
5 kx
5 kx
5 kx #include <daemon.h>
5 kx #include <msglog.h>
5 kx #include <error.h>
5 kx #include <utf8ing.h>
5 kx #include <symtab.h>
5 kx #include <parse.h>
5 kx #include <lex.h>
5 kx #include <bconf.h>
5 kx
5 kx #include <defs.h>
5 kx
5 kx
5 kx /*********************
5 kx Default File Names:
5 kx */
5 kx const char *CONFIG_FILE = CSVN_CONFIG;
5 kx const char *BCF_FILE = CSVN_HOME_DIR "/" CSVN_PROGRAM ".bcf";
5 kx const char *LOG_FILE = CSCM_LOG_DIR "/" CSVN_PROGRAM "d.log";
5 kx const char *PID_FILE = CSCM_PID_DIR "/" CSVN_PROGRAM "d.pid";
5 kx const char *SHM_BCF = CSVN_SHM_BCF;
5 kx
5 kx
5 kx char *program = PROGRAM_DAEMON;
5 kx int exit_status = EXIT_SUCCESS; /* errors counter */
5 kx
5 kx FILE *config = NULL;
5 kx char *config_fname = NULL;
5 kx
5 kx char *log_fname = NULL;
5 kx char *pid_fname = NULL;
5 kx
5 kx static sigset_t blockmask;
5 kx
5 kx static int run_as_daemon = 0;
5 kx static int test_config_file = 0;
5 kx static int config_inotify = 0;
5 kx
5 kx
5 kx static void free_resources( void );
5 kx
5 kx
5 kx /***********************
5 kx Inotify declarations:
5 kx */
5 kx #define IN_BUFFER_SIZE (7 * (sizeof(struct inotify_event) + NAME_MAX + 1))
5 kx
5 kx static int inotify_fd = 0, wd = 0;
5 kx static struct inotify_event *event = NULL;
5 kx static char buf[IN_BUFFER_SIZE] __attribute__ ((aligned(8)));
5 kx
5 kx static int check_event( struct inotify_event *e )
5 kx {
5 kx if( e->mask & IN_CLOSE_WRITE ) return 1;
5 kx return 0;
5 kx }
5 kx
5 kx static void init_config_inotify( void )
5 kx {
5 kx inotify_fd = inotify_init(); /* Create inotify instance */
5 kx if( inotify_fd == -1 )
5 kx {
5 kx ERROR( "Cannot initialize inotify for file: %s", config_fname );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx exit( 1 );
5 kx }
5 kx
5 kx wd = inotify_add_watch( inotify_fd, config_fname, IN_CLOSE_WRITE );
5 kx if( wd == -1 )
5 kx {
5 kx ERROR( "Cannot add inotify watch for file: %s", config_fname );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx exit( 1 );
5 kx }
5 kx }
5 kx
5 kx static void fini_config_inotify( void )
5 kx {
5 kx if( wd > 0 ) { (void)inotify_rm_watch( inotify_fd, wd ); wd = 0; }
5 kx if( inotify_fd > 0 ) { (void)close( inotify_fd ); inotify_fd = 0; }
5 kx }
5 kx
5 kx
5 kx static void free_resources( void )
5 kx {
5 kx fini_config_inotify();
5 kx
5 kx if( log_fname )
5 kx {
5 kx if( errlog ) { fclose( errlog ); errlog = NULL; }
5 kx free( log_fname ); log_fname = NULL;
5 kx }
5 kx if( config_fname )
5 kx {
5 kx if( config ) { fclose( config ); config = NULL; }
5 kx free( config_fname ); config_fname = NULL;
5 kx }
5 kx bcf_shm_free();
5 kx if( bcf_fname )
5 kx {
5 kx if( bcf ) { fclose( bcf ); bcf = NULL; }
5 kx (void)unlink( (const char *)bcf_fname );
5 kx free( bcf_fname ); bcf_fname = NULL;
5 kx }
5 kx if( pid_fname )
5 kx {
5 kx (void)unlink( (const char *)pid_fname );
5 kx free( pid_fname ); pid_fname = NULL;
5 kx }
5 kx }
5 kx
5 kx
5 kx void usage()
5 kx {
5 kx free_resources();
5 kx
5 kx fprintf( stdout, "\n" );
5 kx fprintf( stdout, "Usage: %s [options]\n", program );
5 kx fprintf( stdout, "\n" );
5 kx fprintf( stdout, "Start cScm Configuration Daemon to read config file.\n" );
5 kx fprintf( stdout, "\n" );
5 kx fprintf( stdout, "Options:\n" );
5 kx fprintf( stdout, " -h,--help Display this information.\n" );
5 kx fprintf( stdout, " -v,--version Display the version of %s utility.\n", program );
5 kx fprintf( stdout, " -d,--daemonize Run in background as a daemon.\n" );
5 kx fprintf( stdout, " -i,--inotify Notify about configuration changes.\n" );
5 kx fprintf( stdout, " -b,--bcf=<BCF_FILE> Binary config file. Default: %s.\n", BCF_FILE );
5 kx fprintf( stdout, " -c,--config=<CONFIG_FILE> Config file. Default: %s.\n", CONFIG_FILE );
5 kx fprintf( stdout, " -l,--log=<LOG_FILE> Log file. Default: %s.\n", LOG_FILE );
5 kx fprintf( stdout, " -p,--pid=<PID_FILE> PID file. Default: %s.\n", PID_FILE );
5 kx fprintf( stdout, " -s,--scm=<SCM> SCM 'svn' or 'git'. Default: 'svn'.\n" );
5 kx fprintf( stdout, " -t,--test Test config file and exit.\n" );
5 kx fprintf( stdout, "\n" );
5 kx
5 kx exit( EXIT_FAILURE );
5 kx }
5 kx
5 kx void to_lowercase( char *s )
5 kx {
5 kx char *p = s;
5 kx while( p && *p ) { int c = *p; *p = tolower( c ); ++p; }
5 kx }
5 kx
5 kx void to_uppercase( char *s )
5 kx {
5 kx char *p = s;
5 kx while( p && *p ) { int c = *p; *p = toupper( c ); ++p; }
5 kx }
5 kx
5 kx void version()
5 kx {
5 kx char *upper = NULL;
5 kx
5 kx upper = (char *)alloca( strlen( program ) + 1 );
5 kx
5 kx strcpy( (char *)upper, (const char *)program );
5 kx to_uppercase( upper );
5 kx
5 kx fprintf( stdout, "%s (%s) %s\n", program, upper, PROGRAM_VERSION );
5 kx
5 kx fprintf( stdout, "Copyright (C) 2022 Andrey V.Kosteltsev.\n" );
5 kx fprintf( stdout, "This is free software. There is NO warranty; not even\n" );
5 kx fprintf( stdout, "for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n" );
5 kx fprintf( stdout, "\n" );
5 kx
5 kx free_resources();
5 kx exit( EXIT_SUCCESS );
5 kx }
5 kx
5 kx void get_args( int argc, char *argv[] )
5 kx {
5 kx const char* short_options = "hvdic:l:p:s:t";
5 kx
5 kx const struct option long_options[] =
5 kx {
5 kx { "help", no_argument, NULL, 'h' },
5 kx { "version", no_argument, NULL, 'v' },
5 kx { "daemonize", no_argument, NULL, 'd' },
5 kx { "inotify", no_argument, NULL, 'i' },
5 kx { "bcf", required_argument, NULL, 'b' },
5 kx { "config", required_argument, NULL, 'c' },
5 kx { "log", required_argument, NULL, 'l' },
5 kx { "pid", required_argument, NULL, 'p' },
5 kx { "scm", required_argument, NULL, 's' },
5 kx { "test", no_argument, NULL, 't' },
5 kx { NULL, 0, NULL, 0 }
5 kx };
5 kx
5 kx int ret;
5 kx int option_index = 0;
5 kx
5 kx while( (ret = getopt_long( argc, argv, short_options, long_options, &option_index )) != -1 )
5 kx {
5 kx switch( ret )
5 kx {
5 kx case 'h':
5 kx {
5 kx usage();
5 kx break;
5 kx }
5 kx case 'v':
5 kx {
5 kx version();
5 kx break;
5 kx }
5 kx case 'd':
5 kx {
5 kx run_as_daemon = 1;
5 kx break;
5 kx }
5 kx case 'i':
5 kx {
5 kx config_inotify = 1;
5 kx break;
5 kx }
5 kx case 't':
5 kx {
5 kx test_config_file = 1;
5 kx break;
5 kx }
5 kx
5 kx case 'b':
5 kx {
5 kx if( optarg != NULL )
5 kx {
5 kx bcf_fname = strdup( optarg );
5 kx }
5 kx else
5 kx /* option is present but without value */
5 kx usage();
5 kx break;
5 kx }
5 kx
5 kx case 'c':
5 kx {
5 kx if( optarg != NULL )
5 kx {
5 kx config_fname = strdup( optarg );
5 kx }
5 kx else
5 kx /* option is present but without value */
5 kx usage();
5 kx break;
5 kx }
5 kx
5 kx case 'l':
5 kx {
5 kx if( optarg != NULL )
5 kx {
5 kx log_fname = strdup( optarg );
5 kx }
5 kx else
5 kx /* option is present but without value */
5 kx usage();
5 kx break;
5 kx }
5 kx
5 kx case 'p':
5 kx {
5 kx if( optarg != NULL )
5 kx {
5 kx pid_fname = strdup( optarg );
5 kx }
5 kx else
5 kx /* option is present but without value */
5 kx usage();
5 kx break;
5 kx }
5 kx
5 kx case 's':
5 kx {
5 kx if( optarg != NULL )
5 kx {
5 kx if( *optarg && !strncmp( optarg, "git", 3 ) )
5 kx {
5 kx CONFIG_FILE = CGIT_CONFIG;
5 kx BCF_FILE = CGIT_HOME_DIR "/" CGIT_PROGRAM ".bcf";
5 kx LOG_FILE = CSCM_LOG_DIR "/" CGIT_PROGRAM "d.log";
5 kx PID_FILE = CSCM_PID_DIR "/" CGIT_PROGRAM "d.pid";
5 kx SHM_BCF = CGIT_SHM_BCF;
5 kx }
5 kx }
5 kx else
5 kx /* option is present but without value */
5 kx usage();
5 kx break;
5 kx }
5 kx
5 kx case '?': default:
5 kx {
5 kx usage();
5 kx break;
5 kx }
5 kx }
5 kx }
5 kx }
5 kx
5 kx
5 kx static int is_directory( const char *path )
5 kx {
5 kx struct stat st;
5 kx return ( !stat( path, &st ) && S_ISDIR(st.st_mode) );
5 kx }
5 kx
5 kx static void logpid( void )
5 kx {
5 kx FILE *fp;
5 kx
5 kx if( !pid_fname )
5 kx {
5 kx /* allocate memory for PID file name */
5 kx pid_fname = (char *)malloc( strlen( PID_FILE ) + 1 );
5 kx if( !pid_fname ) { FATAL_ERROR( "Cannot allocate memory for PID file name: %s", PID_FILE ); }
5 kx (void)strcpy( pid_fname, PID_FILE );
5 kx }
5 kx
5 kx /* Create CSCM_PID_DIR if not exists: */
5 kx {
5 kx char *pid_dir = NULL, *dir = strdup( pid_fname );
5 kx
5 kx pid_dir = dirname( dir );
5 kx
5 kx if( !is_directory( (const char *)pid_dir ) )
5 kx {
5 kx /* Create if not exists */
5 kx if( 0 != mkdir( (const char *)pid_dir, 0755 ) )
5 kx {
5 kx FATAL_ERROR( "Cannot create directory for PID file: %s", PID_FILE );
5 kx }
5 kx }
5 kx free( dir );
5 kx }
5 kx
5 kx if( (fp = fopen( pid_fname, "w" )) != NULL )
5 kx {
5 kx fprintf( fp, "%u\n", getpid() );
5 kx (void)fclose( fp );
5 kx }
5 kx }
5 kx
5 kx void init_logs( void )
5 kx {
5 kx /* print to stderr until the errlog file is open */
5 kx errlog = stderr;
5 kx
5 kx if( !log_fname )
5 kx {
5 kx /* allocate memory for LOG file name */
5 kx log_fname = (char *)malloc( strlen( LOG_FILE ) + 1 );
5 kx if( !log_fname ) { FATAL_ERROR( "Cannot open log file: %s", LOG_FILE ); }
5 kx (void)strcpy( log_fname, LOG_FILE );
5 kx }
5 kx
5 kx /* Create CSCM_LOG_DIR if not exists: */
5 kx {
5 kx char *log_dir = NULL, *dir = strdup( log_fname );
5 kx
5 kx log_dir = dirname( dir );
5 kx
5 kx if( !is_directory( (const char *)log_dir ) )
5 kx {
5 kx /* Create if not exists */
5 kx if( 0 != mkdir( (const char *)log_dir, 0755 ) )
5 kx {
5 kx FATAL_ERROR( "Cannot create directory for log file: %s", LOG_FILE );
5 kx }
5 kx }
5 kx free( dir );
5 kx }
5 kx
5 kx /* open LOG file */
5 kx errlog = fopen( (const char *)log_fname, "a" );
5 kx if( !errlog ) { errlog = stderr; FATAL_ERROR( "Cannot open log file: %s", log_fname ); }
5 kx }
5 kx
5 kx void open_config_file( void )
5 kx {
5 kx if( !config_fname )
5 kx {
5 kx /* allocate memory for CONFIG file name */
5 kx config_fname = (char *)malloc( strlen( CONFIG_FILE ) + 1 );
5 kx if( !config_fname )
5 kx {
5 kx FATAL_ERROR( "Cannot open config file: %s", CONFIG_FILE );
5 kx if( log_fname ) { fclose( errlog ); free( log_fname ); }
5 kx }
5 kx (void)strcpy( config_fname, CONFIG_FILE );
5 kx }
5 kx
5 kx /* open CONFIG file */
5 kx config = fopen( (const char *)config_fname, "r" );
5 kx if( !config )
5 kx {
5 kx FATAL_ERROR( "Cannot open config file: %s", config_fname );
5 kx if( log_fname ) { fclose( errlog ); free( log_fname ); }
5 kx }
5 kx
5 kx if( !bcf_fname )
5 kx {
5 kx /* allocate memory for BCF file name */
5 kx bcf_fname = (char *)malloc( strlen( BCF_FILE ) + 1 );
5 kx if( !bcf_fname )
5 kx {
5 kx FATAL_ERROR( "Cannot allocate memory gor BCF file name: %s", BCF_FILE );
5 kx if( log_fname ) { fclose( errlog ); free( log_fname ); }
5 kx }
5 kx (void)strcpy( bcf_fname, BCF_FILE );
5 kx }
5 kx }
5 kx
5 kx void close_config_file( void )
5 kx {
5 kx if( config ) { fclose( config ); config = NULL; }
5 kx }
5 kx
5 kx
5 kx
5 kx void parse_config_file( void )
5 kx {
5 kx int ret;
5 kx
5 kx /***********************************
5 kx Blick signals until parser works:
5 kx */
5 kx (void)sigprocmask( SIG_BLOCK, (const sigset_t *)&blockmask, (sigset_t *)NULL );
5 kx
5 kx open_config_file();
5 kx init_symtab();
5 kx init_lex();
5 kx
5 kx if( !(ret = yyparse()) )
5 kx {
5 kx reverse_symlist( (SYMBOL **)&symlist );
5 kx remove_consts( (SYMBOL **)&symlist );
5 kx (void)write_binary_config();
5 kx }
5 kx else
5 kx {
5 kx bcf_shm_free();
5 kx if( bcf_fname )
5 kx {
5 kx if( bcf ) { fclose( bcf ); bcf = NULL; }
5 kx (void)unlink( (const char *)bcf_fname );
5 kx }
5 kx }
5 kx
5 kx fini_lex();
5 kx fini_symtab();
5 kx close_config_file();
5 kx
5 kx (void)sigprocmask( SIG_UNBLOCK, (const sigset_t *)&blockmask, (sigset_t *)NULL );
5 kx
5 kx if( test_config_file )
5 kx {
5 kx if( ret )
5 kx {
5 kx fprintf( stdout, "%s: %s: Config file is not correct. See: %s\n", program, config_fname, log_fname );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx exit( 1 );
5 kx }
5 kx else
5 kx {
5 kx fprintf( stdout, "%s: %s: Config file is correct.\n", program, config_fname );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx exit( 0 );
5 kx }
5 kx }
5 kx }
5 kx
5 kx
5 kx
5 kx void fatal_error_actions( void )
5 kx {
5 kx free_resources();
5 kx }
5 kx
5 kx void sigint( int signum )
5 kx {
5 kx (void)signum;
5 kx
5 kx LOG( "received SIGINT: free resources at exit" );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx
5 kx free_resources();
5 kx exit( 0 );
5 kx }
5 kx
5 kx void sigusr( int signum )
5 kx {
5 kx if( signum == SIGUSR1 )
5 kx {
5 kx LOG( "signal USR1 has been received" );
5 kx }
5 kx else if( signum == SIGUSR2 )
5 kx {
5 kx LOG( "signal USR2 has been received" );
5 kx }
5 kx }
5 kx
5 kx void sighup( int signum )
5 kx {
5 kx (void)signum;
5 kx
5 kx LOG( "received SIGHUP: parse config file: %s", config_fname );
5 kx
5 kx parse_config_file();
5 kx }
5 kx
5 kx static void set_signal_handlers()
5 kx {
5 kx struct sigaction sa;
5 kx sigset_t set;
5 kx
5 kx memset( &sa, 0, sizeof( sa ) );
5 kx sa.sa_handler = sighup; /* HUP: read config file */
5 kx sa.sa_flags = SA_RESTART;
5 kx sigemptyset( &set );
5 kx sigaddset( &set, SIGHUP );
5 kx sa.sa_mask = set;
5 kx sigaction( SIGHUP, &sa, NULL );
5 kx
5 kx memset( &sa, 0, sizeof( sa ) );
5 kx sa.sa_handler = sigusr; /* USR1, USR2 */
5 kx sa.sa_flags = SA_RESTART;
5 kx sigemptyset( &set );
5 kx sigaddset( &set, SIGUSR1 );
5 kx sigaddset( &set, SIGUSR2 );
5 kx sa.sa_mask = set;
5 kx sigaction( SIGUSR1, &sa, NULL );
5 kx sigaction( SIGUSR2, &sa, NULL );
5 kx
5 kx memset( &sa, 0, sizeof( sa ) );
5 kx sa.sa_handler = sigint; /* TERM, INT */
5 kx sa.sa_flags = SA_RESTART;
5 kx sigemptyset( &set );
5 kx sigaddset( &set, SIGTERM );
5 kx sigaddset( &set, SIGINT );
5 kx sa.sa_mask = set;
5 kx sigaction( SIGTERM, &sa, NULL );
5 kx sigaction( SIGINT, &sa, NULL );
5 kx
5 kx memset( &sa, 0, sizeof( sa ) ); /* ignore SIGPIPE */
5 kx sa.sa_handler = SIG_IGN;
5 kx sa.sa_flags = 0;
5 kx sigaction( SIGPIPE, &sa, NULL );
5 kx
5 kx /* на случай блокировки сигналов с помощью sigprocmask(): */
5 kx sigemptyset( &blockmask );
5 kx sigaddset( &blockmask, SIGHUP );
5 kx sigaddset( &blockmask, SIGUSR1 );
5 kx sigaddset( &blockmask, SIGUSR2 );
5 kx sigaddset( &blockmask, SIGTERM );
5 kx sigaddset( &blockmask, SIGINT );
5 kx
5 kx /* System V fork+wait does not work if SIGCHLD is ignored */
5 kx signal( SIGCHLD, SIG_DFL );
5 kx }
5 kx
5 kx
5 kx
5 kx int main( int argc, char *argv[] )
5 kx {
5 kx gid_t gid;
5 kx
5 kx set_signal_handlers();
5 kx
5 kx gid = getgid();
5 kx setgroups( 1, &gid );
5 kx
5 kx fatal_error_hook = fatal_error_actions;
5 kx
5 kx program = basename( argv[0] );
5 kx get_args( argc, argv );
5 kx
5 kx if( getppid() != 1 )
5 kx {
5 kx if( run_as_daemon ) daemon( 1, 0 );
5 kx }
5 kx
5 kx init_logs();
5 kx logpid();
5 kx
5 kx LOG( "Start cScm Configuration Daemon..." );
5 kx
5 kx parse_config_file();
5 kx
5 kx if( config_inotify ) init_config_inotify();
5 kx
5 kx for( ;; )
5 kx {
5 kx int max_sd;
5 kx struct timeval timeout;
5 kx fd_set listen_set;
5 kx
5 kx /*************************************
5 kx Waiting for events from inotify_fd:
5 kx */
5 kx max_sd = inotify_fd + 1;
5 kx FD_ZERO( &listen_set );
5 kx FD_SET( inotify_fd, &listen_set );
5 kx
5 kx do
5 kx {
5 kx int rc;
5 kx
5 kx /*********************************************
5 kx Initialize the timeval struct to 5 seconds:
5 kx */
5 kx timeout.tv_sec = 5;
5 kx timeout.tv_usec = 0;
5 kx
5 kx rc = select( max_sd, &listen_set, NULL, NULL, &timeout );
5 kx
5 kx /*****************************************
5 kx Check to see if the select call failed:
5 kx */
5 kx if( rc < 0 && errno != EINTR )
5 kx {
5 kx WARNING( "%s: inotify select() failed", config_fname );
5 kx break;
5 kx }
5 kx
5 kx /************************************************
5 kx Check to see if the 5 second time out expired:
5 kx */
5 kx if( rc == 0 )
5 kx {
5 kx /* Here we can output some log info. */
5 kx break;
5 kx }
5 kx
5 kx if( FD_ISSET( inotify_fd, &listen_set ) )
5 kx {
5 kx ssize_t n;
5 kx char *p;
5 kx
5 kx n = read( inotify_fd, buf, IN_BUFFER_SIZE );
5 kx if( n == 0 )
5 kx {
5 kx ERROR( "%s: read() from inotify file descriptor returned '0'", config_fname );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx exit( 1 );
5 kx }
5 kx if( n == -1 )
5 kx {
5 kx ERROR( "%s: read() from inotify file descriptor returned '-1'", config_fname );
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx exit( 1 );
5 kx }
5 kx
5 kx for( p = buf; p < buf + n; )
5 kx {
5 kx event = (struct inotify_event *)p;
5 kx /************************************************************
5 kx в принципе, нам хватает одного события и, если мы получили
5 kx нужное событие и перечитали config file, то здесь мы можем
5 kx выйти из цикла чтения событий с помощью break
5 kx */
5 kx if( check_event( event ) )
5 kx {
5 kx LOG( "Config file '%s' has been changed. Read new config content...", config_fname );
5 kx parse_config_file();
5 kx break;
5 kx }
5 kx p += sizeof(struct inotify_event) + event->len;
5 kx }
5 kx
5 kx } /* End if( FD_ISSET() ) */
5 kx
5 kx } while( 1 );
5 kx
5 kx /*
5 kx Здесь мы можем выполнить действия, которые необходимы
5 kx в том случае, если в течение 5-и секунд мы не получили
5 kx ни одного сигнала об изменении дескриптора inotify_fd.
5 kx */
5 kx {
5 kx sleep( 5 );
5 kx }
5 kx
5 kx } /* End of waiting for( ;; ) */
5 kx
5 kx
5 kx LOG( "Stop cScm Configuration Daemon." );
5 kx free_resources();
5 kx
5 kx return 0;
5 kx }