105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* unix.h
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*
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* $Id$
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*
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* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
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* Copyright 2002, 2003 Sam Hocevar <sam@zoy.org>, Paris
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*
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* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
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* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
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* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
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* between TELES and Nixdorf Microprocessor Engineering, Berlin).
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*
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* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
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* owners or individual owners of copyright in this software, grant to any
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* person or company a worldwide, royalty free, license to
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*
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* i) copy this software,
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* ii) prepare derivative works based on this software,
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* iii) distribute copies of this software or derivative works,
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* iv) perform this software, or
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* v) display this software,
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*
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* provided that this notice is not removed and that neither Oliver Laumann
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* nor Teles nor Nixdorf are deemed to have made any representations as to
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* the suitability of this software for any purpose nor are held responsible
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* for any defects of this software.
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*
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* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <time.h>
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#include <fcntl.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "scheme.h"
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extern int errno;
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extern char *index();
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extern Object Unix_Errobj, V_Call_Errhandler;
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extern SYMDESCR Lseek_Syms[];
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Object Integer_Pair P_((int, int));
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Object Syms_To_List P_((SYMDESCR*));
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extern void Check_Result_Vector P_((Object, unsigned int));
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extern int Num_Filedescriptors P_(());
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#define Get_Filename_Or_Filedescr(obj,fd,fn) \
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switch (TYPE(obj)) {\
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case T_String: case T_Symbol:\
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(fn) = Get_Strsym(obj); break;\
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case T_Fixnum: case T_Bignum:\
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(fd) = Get_Integer(obj); break;\
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default:\
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Wrong_Type_Combination(obj, "symbol, string, or integer");\
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}
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#define Raise_System_Error(msg) {\
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Saved_Errno = errno;\
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Raise_Error(msg);\
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}
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#define Raise_Error(msg) {\
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if (Var_Is_True(V_Call_Errhandler))\
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Primitive_Error(msg);\
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return Unix_Errobj;\
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}
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#define Raise_System_Error1(msg,a1) {\
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Saved_Errno = errno;\
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Raise_Error1(msg,a1);\
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}
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#define Raise_Error1(msg,a1) {\
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if (Var_Is_True(V_Call_Errhandler))\
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Primitive_Error(msg,a1);\
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return Unix_Errobj;\
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}
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#define Raise_System_Error2(msg,a1,a2) {\
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Saved_Errno = errno;\
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Raise_Error2(msg,a1,a2);\
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}
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#define Raise_Error2(msg,a1,a2) {\
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if (Var_Is_True(V_Call_Errhandler))\
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Primitive_Error(msg,a1,a2);\
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return Unix_Errobj;\
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}
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#define Def_Prim Define_Primitive
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