diff options
Diffstat (limited to 'libguile/_scm.h')
| -rw-r--r-- | libguile/_scm.h | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/libguile/_scm.h b/libguile/_scm.h index a78a4e094..c3384be68 100644 --- a/libguile/_scm.h +++ b/libguile/_scm.h @@ -191,6 +191,62 @@ #define scm_from_off64_t scm_from_int64 + + +#if defined (vms) +/* VMS: Implement SCM_I_SETJMP in terms of setjump. */ +extern int setjump(scm_i_jmp_buf env); +extern int longjump(scm_i_jmp_buf env, int ret); +#define SCM_I_SETJMP setjump +#define SCM_I_LONGJMP longjump + +#elif defined (_CRAY1) +/* Cray: Implement SCM_I_SETJMP in terms of setjump. */ +extern int setjump(scm_i_jmp_buf env); +extern int longjump(scm_i_jmp_buf env, int ret); +#define SCM_I_SETJMP setjump +#define SCM_I_LONGJMP longjump + +#elif defined (__ia64__) +/* IA64: Implement SCM_I_SETJMP in terms of getcontext. */ +# define SCM_I_SETJMP(JB) \ + ( (JB).fresh = 1, \ + getcontext (&((JB).ctx)), \ + ((JB).fresh ? ((JB).fresh = 0, 0) : 1) ) +# define SCM_I_LONGJMP(JB,VAL) scm_ia64_longjmp (&(JB), VAL) +void scm_ia64_longjmp (scm_i_jmp_buf *, int); + +#else +/* All other systems just use setjmp and longjmp. */ + +#define SCM_I_SETJMP setjmp +#define SCM_I_LONGJMP longjmp +#endif + + + +#define SCM_ASYNC_TICK \ + do \ + { \ + if (SCM_UNLIKELY (SCM_I_CURRENT_THREAD->pending_asyncs)) \ + scm_async_tick (); \ + } \ + while (0) + +#define SCM_ASYNC_TICK_WITH_CODE(thr, stmt) \ + do \ + { \ + if (SCM_UNLIKELY (thr->pending_asyncs)) \ + { \ + stmt; \ + scm_async_tick (); \ + } \ + } \ + while (0) + + + + /* The endianness marker in objcode. */ #ifdef WORDS_BIGENDIAN # define SCM_OBJCODE_ENDIANNESS "BE" @@ -205,7 +261,7 @@ #define SCM_OBJCODE_WORD_SIZE SCM_CPP_STRINGIFY (SIZEOF_VOID_P) /* Major and minor versions must be single characters. */ -#define SCM_OBJCODE_MAJOR_VERSION 2 +#define SCM_OBJCODE_MAJOR_VERSION 3 #define SCM_OBJCODE_MINOR_VERSION 1 #define SCM_OBJCODE_MAJOR_VERSION_STRING \ SCM_CPP_STRINGIFY(SCM_OBJCODE_MAJOR_VERSION) |