d27cbb5d1f
[INTERPRETER] * NEW: Application.Task is a new property that returns if we are executing a Task object.
404 lines
8.1 KiB
C
404 lines
8.1 KiB
C
/***************************************************************************
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gbx_c_application.c
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#define __GBX_C_APPLICATION_C
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#include "gambas.h"
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#include "gbx_info.h"
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#ifndef GBX_INFO
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#include "config.h"
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/types.h>
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#include <signal.h>
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#include <pwd.h>
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#include <unistd.h>
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#include "gb_common.h"
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#include "gb_error.h"
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#include "gbx_api.h"
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#include "gbx_class.h"
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#include "gbx_project.h"
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#include "gbx_local.h"
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#include "gbx_event.h"
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#include "gbx_string.h"
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#include "gbx_exec.h"
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#include "gbx_extern.h"
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#include "gbx_object.h"
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#include "gbx_c_application.h"
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extern char **environ;
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static bool _daemon = FALSE;
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//-------------------------------------------------------------------------
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BEGIN_PROPERTY(Application_Path)
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if (PROJECT_override)
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GB_ReturnNewZeroString(FILE_get_dir(PROJECT_override));
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else
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GB_ReturnString(PROJECT_path);
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END_PROPERTY
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BEGIN_PROPERTY(Application_Name)
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GB_ReturnConstZeroString(PROJECT_name);
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END_PROPERTY
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BEGIN_PROPERTY(Application_Title)
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GB_ReturnConstZeroString(LOCAL_gettext(PROJECT_title));
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END_PROPERTY
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BEGIN_PROPERTY(Application_Handle)
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GB_ReturnInt(getpid());
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END_PROPERTY
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BEGIN_PROPERTY(Application_ParentHandle)
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GB_ReturnInt(getppid());
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END_PROPERTY
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BEGIN_PROPERTY(Application_Dir)
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GB_ReturnString(PROJECT_oldcwd);
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END_PROPERTY
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BEGIN_PROPERTY(Application_Version)
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GB_ReturnConstZeroString(PROJECT_version);
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END_PROPERTY
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//-------------------------------------------------------------------------
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BEGIN_PROPERTY(Application_Args_Count)
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GB_ReturnInt(PROJECT_argc);
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END_PROPERTY
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BEGIN_PROPERTY(Application_Args_Max)
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GB_ReturnInt(PROJECT_argc - 1);
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END_PROPERTY
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BEGIN_METHOD(Application_Args_get, GB_INTEGER index)
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int index = VARG(index);
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if (index < 0)
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{
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GB_Error((char *)E_ARG);
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return;
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}
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if (index >= PROJECT_argc)
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GB_ReturnVoidString();
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else if (index == 0 && PROJECT_override)
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GB_ReturnNewZeroString(FILE_get_name(PROJECT_override));
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else
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GB_ReturnConstZeroString(PROJECT_argv[index]);
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END_METHOD
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BEGIN_METHOD_VOID(Application_Args_next)
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int *index = (int*)GB_GetEnum();
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if (*index >= PROJECT_argc)
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GB_StopEnum();
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else
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{
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GB_ReturnConstZeroString(PROJECT_argv[*index]);
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(*index)++;
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}
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END_METHOD
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BEGIN_PROPERTY(Application_Args_Copy)
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GB_ARRAY array;
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int i;
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char *arg;
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GB_ArrayNew(&array, GB_T_STRING, PROJECT_argc);
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for (i = 0; i < PROJECT_argc; i++)
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{
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arg = PROJECT_argv[i];
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if (arg && *arg)
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*(char **)GB_ArrayGet(array, i) = STRING_new_zero(arg);
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}
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GB_ReturnObject(array);
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END_PROPERTY
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/*BEGIN_PROPERTY(Application_Args_Name)
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if (READ_PROPERTY)
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GB_ReturnConstZeroString(PROJECT_argv[0]);
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else
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{
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GB_StoreString(PROP(GB_STRING), &PROJECT_argname);
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PROJECT_argv[0] = PROJECT_argname;
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}
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END_PROPERTY*/
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//-------------------------------------------------------------------------
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static int get_environ_count()
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{
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int n = 0;
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while(environ[n])
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n++;
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return n;
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}
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BEGIN_PROPERTY(Application_Env_Count)
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GB_ReturnInteger(get_environ_count());
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END_PROPERTY
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BEGIN_PROPERTY(Application_Env_Max)
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GB_ReturnInteger(get_environ_count() - 1);
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END_PROPERTY
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BEGIN_METHOD(Application_Env_get, GB_STRING key)
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GB_ReturnNewZeroString(getenv(GB_ToZeroString(ARG(key))));
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END_METHOD
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BEGIN_METHOD(Application_Env_put, GB_STRING value; GB_STRING key)
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setenv(GB_ToZeroString(ARG(key)), GB_ToZeroString(ARG(value)), 1);
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END_METHOD
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BEGIN_METHOD_VOID(Application_Env_next)
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int *index = (int*)GB_GetEnum();
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char *pos;
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char *key;
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if (environ[*index] == NULL)
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GB_StopEnum();
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else
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{
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key = environ[*index];
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pos = strchr(key, '=');
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if (!pos)
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GB_ReturnVoidString();
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else
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GB_ReturnConstString(key, pos - key);
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(*index)++;
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}
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END_METHOD
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BEGIN_PROPERTY(Application_Env_Copy)
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GB_ARRAY array;
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int i, n;
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char *arg;
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n = get_environ_count();
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GB_ArrayNew(&array, GB_T_STRING, n - 1);
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for (i = 0; i < n; i++)
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{
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arg = environ[i];
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if (arg && *arg)
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*(char **)GB_ArrayGet(array, i) = STRING_new_zero(environ[i]);
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}
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GB_ReturnObject(array);
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END_PROPERTY
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//-------------------------------------------------------------------------
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static void init_again(int old_pid)
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{
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char old[PATH_MAX];
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FILE_remove_temp_file();
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snprintf(old, sizeof(old),FILE_TEMP_DIR, getuid(), old_pid);
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rename(old, FILE_make_temp(NULL, NULL));
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FILE_chdir(PROJECT_path);
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}
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BEGIN_PROPERTY(Application_Daemon)
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int old_pid;
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if (READ_PROPERTY)
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GB_ReturnBoolean(_daemon);
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else
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{
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if (!_daemon && VPROP(GB_BOOLEAN))
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{
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old_pid = getpid();
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if (daemon(FALSE, FALSE))
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THROW_SYSTEM(errno, NULL);
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// Argh! daemon() changes the current process id...
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_daemon = TRUE;
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init_again(old_pid);
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}
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}
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END_PROPERTY
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BEGIN_PROPERTY(Application_Startup)
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GB_ReturnObject(PROJECT_class);
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END_PROPERTY
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BEGIN_PROPERTY(Application_Priority)
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int pr;
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if (READ_PROPERTY)
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{
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errno = 0;
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pr = getpriority(PRIO_PROCESS, 0);
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if (pr == -1 && errno > 0)
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THROW_SYSTEM(errno, NULL);
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GB_ReturnInteger(pr);
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}
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else
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{
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pr = VPROP(GB_INTEGER);
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if (pr < -20)
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pr = -20;
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else if (pr > 19)
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pr = 19;
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if (setpriority(PRIO_PROCESS, 0, VPROP(GB_INTEGER)) < 0)
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THROW_SYSTEM(errno, NULL);
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}
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END_PROPERTY
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BEGIN_PROPERTY(Application_Task)
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GB_ReturnBoolean(EXEC_task);
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END_PROPERTY
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#endif
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//-------------------------------------------------------------------------
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GB_DESC NATIVE_AppArgs[] =
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{
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GB_DECLARE_STATIC("Args"),
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GB_STATIC_PROPERTY_READ("Count", "i", Application_Args_Count),
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GB_STATIC_PROPERTY_READ("Max", "i", Application_Args_Max),
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GB_STATIC_PROPERTY_READ("All", "String[]", Application_Args_Copy),
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GB_STATIC_METHOD("Copy", "String[]", Application_Args_Copy, NULL),
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GB_STATIC_METHOD("_get", "s", Application_Args_get, "(Index)i"),
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GB_STATIC_METHOD("_next", "s", Application_Args_next, NULL),
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//GB_STATIC_PROPERTY("Name", "s", Application_Args_Name),
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GB_END_DECLARE
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};
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GB_DESC NATIVE_AppEnv[] =
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{
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GB_DECLARE_STATIC("Env"),
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GB_STATIC_PROPERTY_READ("Count", "i", Application_Env_Count),
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GB_STATIC_PROPERTY_READ("Max", "i", Application_Env_Max),
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GB_STATIC_METHOD("Copy", "String[]", Application_Env_Copy, NULL),
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GB_STATIC_METHOD("_get", "s", Application_Env_get, "(Key)s"),
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GB_STATIC_METHOD("_put", NULL, Application_Env_put, "(Value)s(Key)s"),
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GB_STATIC_METHOD("_next", "s", Application_Env_next, NULL),
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GB_END_DECLARE
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};
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GB_DESC NATIVE_App[] =
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{
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GB_DECLARE_STATIC("Application"),
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GB_STATIC_PROPERTY_SELF("Args", "Args"),
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GB_STATIC_PROPERTY_SELF("Env", "Env"),
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GB_STATIC_PROPERTY_READ("Path", "s", Application_Path),
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GB_STATIC_PROPERTY_READ("Name", "s", Application_Name),
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GB_STATIC_PROPERTY_READ("Title", "s", Application_Title),
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GB_STATIC_PROPERTY_READ("Id", "i", Application_Handle),
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GB_STATIC_PROPERTY_READ("Handle", "i", Application_Handle),
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GB_STATIC_PROPERTY_READ("ParentHandle", "i", Application_ParentHandle),
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GB_STATIC_PROPERTY_READ("Version", "s", Application_Version),
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GB_STATIC_PROPERTY_READ("Dir", "s", Application_Dir),
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GB_STATIC_PROPERTY("Daemon", "b", Application_Daemon),
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GB_STATIC_PROPERTY_READ("Startup", "Class", Application_Startup),
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GB_STATIC_PROPERTY("Priority", "i", Application_Priority),
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GB_STATIC_PROPERTY_READ("Task", "b", Application_Task),
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GB_END_DECLARE
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};
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