diff options
author | Andy Wingo <wingo@pobox.com> | 2011-05-15 12:28:55 +0200 |
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committer | Andy Wingo <wingo@pobox.com> | 2011-05-15 15:34:15 +0200 |
commit | 04245bb72ff6f59ddd0a293a1cbf2a1a2fb643bb (patch) | |
tree | 3979c7ace2ca2dad67a9b512926232bca7d9e05c /libguile/_scm.h | |
parent | 2acdd822fb2fa788eec06938415e3b0348ea815b (diff) | |
download | guile-04245bb72ff6f59ddd0a293a1cbf2a1a2fb643bb.tar.gz |
make SCM_I_SETJMP and SCM_I_LONGJMP private
* libguile/_scm.h (SCM_I_SETJMP, SCM_I_LONGJMP): Move to this private
header.
* libguile/__scm.h (scm_i_jmp_buf): Only define the scm_i_jmp_buf type
in this public header.
Diffstat (limited to 'libguile/_scm.h')
-rw-r--r-- | libguile/_scm.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libguile/_scm.h b/libguile/_scm.h index 284213032..d685f9736 100644 --- a/libguile/_scm.h +++ b/libguile/_scm.h @@ -191,6 +191,41 @@ #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 + + + + /* The endianness marker in objcode. */ #ifdef WORDS_BIGENDIAN # define SCM_OBJCODE_ENDIANNESS "BE" |