Annotation of parser3/src/lib/ltdl/libltdl/lt__private.h, revision 1.1
1.1 ! moko 1: /* lt__private.h -- internal apis for libltdl
! 2:
! 3: Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
! 4: Written by Gary V. Vaughan, 2004
! 5:
! 6: NOTE: The canonical source of this file is maintained with the
! 7: GNU Libtool package. Report bugs to bug-libtool@gnu.org.
! 8:
! 9: This library is free software; you can redistribute it and/or
! 10: modify it under the terms of the GNU Lesser General Public
! 11: License as published by the Free Software Foundation; either
! 12: version 2 of the License, or (at your option) any later version.
! 13:
! 14: As a special exception to the GNU Lesser General Public License,
! 15: if you distribute this file as part of a program or library that
! 16: is built using GNU libtool, you may include this file under the
! 17: same distribution terms that you use for the rest of that program.
! 18:
! 19: GNU Libltdl is distributed in the hope that it will be useful,
! 20: but WITHOUT ANY WARRANTY; without even the implied warranty of
! 21: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 22: GNU Lesser General Public License for more details.
! 23:
! 24: You should have received a copy of the GNU Lesser General Public
! 25: License along with GNU Libltdl; see the file COPYING.LIB. If not, a
! 26: copy con be downloaded from http://www.gnu.org/licenses/lgpl.html,
! 27: or obtained by writing to the Free Software Foundation, Inc.,
! 28: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
! 29: */
! 30:
! 31: #if !defined(LT__PRIVATE_H)
! 32: #define LT__PRIVATE_H 1
! 33:
! 34: #if defined(LT_CONFIG_H)
! 35: # include LT_CONFIG_H
! 36: #else
! 37: # include <config.h>
! 38: #endif
! 39:
! 40: #include <stdio.h>
! 41: #include <ctype.h>
! 42: #include <assert.h>
! 43: #include <errno.h>
! 44: #include <string.h>
! 45:
! 46: #if defined(HAVE_UNISTD_H)
! 47: # include <unistd.h>
! 48: #endif
! 49:
! 50: /* Import internal interfaces... */
! 51: #include "lt__alloc.h"
! 52: #include "lt__dirent.h"
! 53: #include "lt__strl.h"
! 54: #include "lt__glibc.h"
! 55:
! 56: /* ...and all exported interfaces. */
! 57: #include "ltdl.h"
! 58:
! 59: #if defined(WITH_DMALLOC)
! 60: # include <dmalloc.h>
! 61: #endif
! 62:
! 63: /* DLL building support on win32 hosts; mostly to workaround their
! 64: ridiculous implementation of data symbol exporting. */
! 65: #ifndef LT_GLOBAL_DATA
! 66: # if defined(__WINDOWS__) || defined(__CYGWIN__)
! 67: # if defined(DLL_EXPORT) /* defined by libtool (if required) */
! 68: # define LT_GLOBAL_DATA __declspec(dllexport)
! 69: # endif
! 70: # endif
! 71: # ifndef LT_GLOBAL_DATA
! 72: # define LT_GLOBAL_DATA /* static linking or !__WINDOWS__ */
! 73: # endif
! 74: #endif
! 75:
! 76: #ifndef __attribute__
! 77: # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
! 78: # define __attribute__(x)
! 79: # endif
! 80: #endif
! 81:
! 82: #ifndef LT__UNUSED
! 83: # define LT__UNUSED __attribute__ ((__unused__))
! 84: #endif
! 85:
! 86:
! 87: LT_BEGIN_C_DECLS
! 88:
! 89: #if !defined(errno)
! 90: extern int errno;
! 91: #endif
! 92:
! 93: LT_SCOPE void lt__alloc_die_callback (void);
! 94:
! 95:
! 96: /* For readability: */
! 97: #define strneq(s1, s2) (strcmp((s1), (s2)) != 0)
! 98: #define streq(s1, s2) (!strcmp((s1), (s2)))
! 99:
! 100:
! 101:
! 102: /* --- OPAQUE STRUCTURES DECLARED IN LTDL.H --- */
! 103:
! 104: /* This type is used for the array of interface data sets in each handler. */
! 105: typedef struct {
! 106: lt_dlinterface_id key;
! 107: void * data;
! 108: } lt_interface_data;
! 109:
! 110: struct lt__handle {
! 111: lt_dlhandle next;
! 112: const lt_dlvtable * vtable; /* dlopening interface */
! 113: lt_dlinfo info; /* user visible fields */
! 114: int depcount; /* number of dependencies */
! 115: lt_dlhandle * deplibs; /* dependencies */
! 116: lt_module module; /* system module handle */
! 117: void * system; /* system specific data */
! 118: lt_interface_data * interface_data; /* per caller associated data */
! 119: int flags; /* various boolean stats */
! 120: };
! 121:
! 122: struct lt__advise {
! 123: unsigned int try_ext:1; /* try system library extensions. */
! 124: unsigned int is_resident:1; /* module can't be unloaded. */
! 125: unsigned int is_symglobal:1; /* module symbols can satisfy
! 126: subsequently loaded modules. */
! 127: unsigned int is_symlocal:1; /* module symbols are only available
! 128: locally. */
! 129: unsigned int try_preload_only:1;/* only preloaded modules will be tried. */
! 130: };
! 131:
! 132: /* --- ERROR HANDLING --- */
! 133:
! 134: /* Extract the diagnostic strings from the error table macro in the same
! 135: order as the enumerated indices in lt_error.h. */
! 136:
! 137: #define LT__STRERROR(name) lt__error_string(LT_CONC(LT_ERROR_,name))
! 138:
! 139: #define LT__GETERROR(lvalue) (lvalue) = lt__get_last_error()
! 140: #define LT__SETERRORSTR(errormsg) lt__set_last_error(errormsg)
! 141: #define LT__SETERROR(errorcode) LT__SETERRORSTR(LT__STRERROR(errorcode))
! 142:
! 143: LT_SCOPE const char *lt__error_string (int errorcode);
! 144: LT_SCOPE const char *lt__get_last_error (void);
! 145: LT_SCOPE const char *lt__set_last_error (const char *errormsg);
! 146:
! 147: LT_END_C_DECLS
! 148:
! 149: #endif /*!defined(LT__PRIVATE_H)*/
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