regina/mt.h

   1 #ifndef MT_H_INCLUDED
   2 #define MT_H_INCLUDED
   3
   4 #include <setjmp.h>
   5
   6 struct extlib_funcbox; /* private type in extlib.c */
   7
   8 /* tsd_t holds all global vars which may change between threads as expected.*/
   9 typedef struct _tsd_t {
  10    void *                  mem_tsd ;           /* local variables of memory.c */
  11    void *                  var_tsd ;           /* local variables of variable.c */
  12    void *                  stk_tsd ;           /* local variables of stack.c */
  13    void *                  fil_tsd ;           /* local variables of files.c */
  14    void *                  itp_tsd ;           /* local variables of interprt.c */
  15    void *                  tra_tsd ;           /* local variables of tracing.c */
  16    void *                  err_tsd ;           /* local variables of error.c */
  17    void *                  vms_tsd ;           /* local variables of vmscmd.c */
  18    void *                  bui_tsd ;           /* local variables of builtin.c */
  19    void *                  vmf_tsd ;           /* local variables of vmsfuncs.c */
  20    void *                  lib_tsd ;           /* local variables of library.c */
  21    void *                  rex_tsd ;           /* local variables of rexxsaa.c */
  22    void *                  shl_tsd ;           /* local variables of shell.c */
  23    void *                  mat_tsd ;           /* local variables of strmath.c */
  24    void *                  cli_tsd ;           /* local variables of client.c */
  25    void *                  arx_tsd ;           /* local variables of arexxfuncs.c */
  26    void *                  ami_tsd ;           /* local variables of amigafuncs.c */
  27    void *                  mt_tsd ;            /* local variables of mt_???.c */
  28
  29    void *                  CH;                 /* only rexxsaa.c */
  30    int                     stemidx;            /* only get_next_variable() */
  31    int                     tailidx ;           /* only get_next_variable() */
  32    int                     indentsize;         /* only in r2perl.c */
  33    int                     loopcnt;            /* only in r2perl.c */
  34    paramboxptr             listleaked_params ; /* only in funcs.c */
  35    paramboxptr             par_stack ;         /* only in funcs.c */
  36    int                     traceparse ;        /* only in parsing.c */
  37    num_descr               rdes;               /* only in expr.c */
  38    num_descr               ldes;               /* only in expr.c */
  39    void *                  firstenvir;         /* only in envir.c */
  40    void *                  last_alloca_header; /* only in alloca.c */
  41    void *                  stkaddr;            /* only in alloca.c */
  42    volatile char *         tmp_strs[8];        /* only tmpstr_of() */
  43    int                     next_tmp_str;       /* only tmpstr_of() */
  44    struct extlib_funcbox * extfuncs[133];      /* only in extlib.c */
  45    paramboxptr             bif_first ;         /* only builtinfunc() */
  46    void *                  firstmacro ;        /* only in macros.c */
  47
  48    sysinfo                 systeminfo ;
  49    proclevel               currlevel ;
  50    int                     listleakedmemory ;
  51    int                     var_indicator ;
  52    int                     isclient ;
  53    nodeptr                 currentnode ;
  54    sigtype *               nextsig;
  55    FILE *                  stddump;
  56    unsigned long           thread_id;
  57    int                     instore_is_errorfree;
  58    char                    trace_stat;
  59    int                     called_from_saa;
  60    int                     restricted;
  61    /* Stuff for a delayed exit()/setjmp(): */
  62    int                     in_protected;
  63    jmp_buf                 protect_return;
  64    volatile enum           { PROTECTED_DelayedExit,
  65                              PROTECTED_DelayedSetjmpPanic,
  66                              PROTECTED_DelayedSetjmpBuf} delayed_error_type;
  67    volatile int            expected_exit_error;
  68                             /* call exit() with this value if
  69                              * delayed_error_type is PROTECTED_DelayedExit
  70                              */
  71    void *                  (*MTMalloc)(const struct _tsd_t *TSD,size_t size);
  72    void                    (*MTFree)(const struct _tsd_t *TSD,void *chunk);
  73    void                    (*MTExit)(int code);
  74 } tsd_t;
  75
  76
  77 #if defined(POSIX) && (defined(_REENTRANT) || defined(REENTRANT))
  78 #  include "mt_posix.h"
  79 #elif defined(_WIN32) && defined(_MT)
  80 #  include "mt_win32.h"
  81 #elif defined(OS2) && defined(__EMX__) && defined(__MT__) && defined(REGINA_MULTI)
  82 #  include "mt_os2.h"
  83 #elif (defined(__AROS__) || defined(_AMIGA)) && defined(RXLIB)
  84 #  include "mt_amigalib.h"
  85 #else
  86 #  include "mt_notmt.h"
  87 #  if !defined(SINGLE_THREADED) && !defined(MULTI_THREADED)
  88 #     define SINGLE_THREADED
  89 #   endif
  90 #endif
  91
  92 /* SINGLE_THREAD is defined explicitely, thus: */
  93 #if !defined(SINGLE_THREADED) && !defined(MULTI_THREADED)
  94 #  define MULTI_THREADED
  95 #endif
  96
  97 #endif /* MT_H_INCLUDED */