#include "embed.h"
+#ifdef OP_IN_REGISTER
+# ifdef __GNUC__
+# define stringify_immed(s) #s
+# define stringify(s) stringify_immed(s)
+register struct op *op asm(stringify(OP_IN_REGISTER));
+# endif
+#endif
+
/*
* STMT_START { statements; } STMT_END;
* can be used as a single statement, as in
# endif
#endif
+#define NOOP (void)0
+
+#define WITH_THR(s) do { dTHR; s; } while (0)
+
+#ifdef USE_THREADS
+# ifdef FAKE_THREADS
+# include "fakethr.h"
+# else
+# ifdef WIN32
+# include "win32/win32thread.h"
+# else
+# include <pthread.h>
+typedef pthread_mutex_t perl_mutex;
+typedef pthread_cond_t perl_cond;
+typedef pthread_key_t perl_key;
+# endif /* WIN32 */
+# endif /* FAKE_THREADS */
+#endif /* USE_THREADS */
+
/*
* SOFT_CAST can be used for args to prototyped functions to retain some
* type checking; it only casts if the compiler does not know prototypes.
#endif
+/* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
+#if defined(__osf__)
+# define CONTEXT PERL_CONTEXT
+#endif
+
typedef MEM_SIZE STRLEN;
typedef struct op OP;
void (*any_dptr) _((void*));
};
+#ifdef USE_THREADS
+#define ARGSproto struct thread *
+#else
+#define ARGSproto void
+#endif /* USE_THREADS */
+
/* Work around some cygwin32 problems with importing global symbols */
#if defined(CYGWIN32) && defined(DLLIMPORT)
# include "cw32imp.h"
# define register
# endif
# define PAD_SV(po) pad_sv(po)
+# define RUNOPS_DEFAULT runops_debug
#else
# define PAD_SV(po) curpad[po]
+# define RUNOPS_DEFAULT runops_standard
+#endif
+
+/*
+ * These need prototyping here because <proto.h> isn't
+ * included until after runops is initialised.
+ */
+
+int runops_standard _((void));
+#ifdef DEBUGGING
+int runops_debug _((void));
#endif
/****************/
/* global state */
EXT PerlInterpreter * curinterp; /* currently running interpreter */
+#ifdef USE_THREADS
+EXT perl_key thr_key; /* For per-thread struct thread ptr */
+EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
+EXT perl_mutex malloc_mutex; /* Mutex for malloc */
+EXT perl_mutex eval_mutex; /* Mutex for doeval */
+EXT perl_cond eval_cond; /* Condition variable for doeval */
+EXT struct thread * eval_owner; /* Owner thread for doeval */
+EXT int nthreads; /* Number of threads currently */
+EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
+EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
+#ifdef FAKE_THREADS
+EXT struct thread * thr; /* Currently executing (fake) thread */
+#endif
+#endif /* USE_THREADS */
+
/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
#ifndef DONT_DECLARE_STD
EXT int maxo INIT(MAXO);/* Number of ops */
EXT char * osname; /* operating system */
EXT char * sh_path INIT(SH_PATH); /* full path of shell */
+EXT Sighandler_t sighandlerp;
EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
/* likewise for these */
-EXT OP * op; /* current op--oughta be in a global register */
-
+#ifdef OP_IN_REGISTER
+EXT OP * opsave; /* save current op register across longjmps */
+#else
+EXT OP * op; /* current op--when not in a global register */
+#endif
+EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
EXT I32 * scopestack; /* blocks we've entered */
EXT I32 scopestack_ix;
EXT I32 scopestack_max;
EXT char * last_lop; /* position of last list operator */
EXT OPCODE last_lop_op; /* last list operator */
EXT bool in_my; /* we're compiling a "my" declaration */
+EXT HV * in_my_stash; /* declared class of this "my" declaration */
#ifdef FCRYPT
EXT I32 cryptseen; /* has fast crypt() been initialized? */
#endif
IEXT SV * Icurstname; /* name of current package */
IEXT AV * Ibeginav; /* names of BEGIN subroutines */
IEXT AV * Iendav; /* names of END subroutines */
+IEXT AV * Iinitav; /* names of INIT subroutines */
IEXT HV * Istrtab; /* shared string table */
/* memory management */
/* stack stuff */
IEXT AV * Icurstack; /* THE STACK */
IEXT AV * Imainstack; /* the stack when nothing funny is happening */
-IEXT SV ** Imystack_base; /* stack->array_ary */
-IEXT SV ** Imystack_sp; /* stack pointer now */
-IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
/* format accumulators */
IEXT SV * Iformtarget;
IEXT I32 Ilaststype IINIT(OP_STAT);
IEXT SV * Imess_sv;
+#ifdef USE_THREADS
+/* threads stuff */
+IEXT SV * Ithrsv; /* holds struct thread for main thread */
+#endif /* USE_THREADS */
+
#undef IEXT
#undef IINIT
};
#endif
+#include "thread.h"
#include "pp.h"
#ifdef __cplusplus
EXT MGVTBL vtbl_uvar = {magic_getuvar,
magic_setuvar,
0, 0, 0};
+#ifdef USE_THREADS
+EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
+#endif /* USE_THREADS */
EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
0, 0, magic_freedefelem};
EXT MGVTBL vtbl_bm;
EXT MGVTBL vtbl_fm;
EXT MGVTBL vtbl_uvar;
+
+#ifdef USE_THREADS
+EXT MGVTBL vtbl_mutex;
+#endif /* USE_THREADS */
+
EXT MGVTBL vtbl_defelem;
#ifdef USE_LOCALE_COLLATE
#define printf PerlIO_stdoutf
#endif
+/*
+ * nice_chunk and nice_chunk size need to be set
+ * and queried under the protection of sv_mutex
+ */
+#define offer_nice_chunk(chunk, chunk_size) do { \
+ MUTEX_LOCK(&sv_mutex); \
+ if (!nice_chunk) { \
+ nice_chunk = (char*)(chunk); \
+ nice_chunk_size = (chunk_size); \
+ } \
+ MUTEX_UNLOCK(&sv_mutex); \
+ } while (0)
+
#endif /* Include guard */