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fixed some process management code

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hyung-hwan
2021-02-02 23:43:12 +00:00
parent 9d1687ea62
commit e4f5a310aa
3 changed files with 22 additions and 18 deletions
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1
hcl/lib/comp.c
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@ -3389,7 +3389,6 @@ int hcl_compile (hcl_t* hcl, hcl_cnode_t* obj)
}
/* emit the pop instruction to clear the final result */
/* TODO: for interactive use, this value must be accessible by the executor... how to do it? */
if (emit_byte_instruction(hcl, HCL_CODE_POP_STACKTOP, HCL_NULL) <= -1) goto oops;
HCL_ASSERT (hcl, GET_TOP_CFRAME_INDEX(hcl) < 0);

35
hcl/lib/exec.c
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@ -1718,7 +1718,7 @@ void hcl_releaseiohandle (hcl_t* hcl, hcl_ooi_t io_handle)
/* ------------------------------------------------------------------------- */
static int __activate_block (hcl_t* hcl, hcl_oop_block_t rcv_blk, hcl_ooi_t nargs, hcl_oop_context_t* pnewctx)
static int prepare_new_block (hcl_t* hcl, hcl_oop_block_t rcv_blk, hcl_ooi_t nargs, int nargs_offset, hcl_oop_context_t* pnewctx)
{
/* prepare a new block context for activation.
* the receiver must be a block context which becomes the base
@ -1741,7 +1741,7 @@ static int __activate_block (hcl_t* hcl, hcl_oop_block_t rcv_blk, hcl_ooi_t narg
/* the receiver must be a block context */
HCL_ASSERT (hcl, HCL_IS_BLOCK(hcl, rcv_blk));
if (HCL_OOP_TO_SMOOI(rcv_blk->nargs) != nargs)
if (HCL_OOP_TO_SMOOI(rcv_blk->nargs) != nargs - nargs_offset)
{
HCL_LOG3 (hcl, HCL_LOG_IC | HCL_LOG_ERROR,
"Error - wrong number of arguments to a block %O - expecting %zd, got %zd\n",
@ -1782,10 +1782,8 @@ static int __activate_block (hcl_t* hcl, hcl_oop_block_t rcv_blk, hcl_ooi_t narg
blkctx->slot[i] = HCL_STACK_GETARG(hcl, nargs, i);
}
HCL_STACK_POPS (hcl, nargs + 1); /* pop arguments and receiver */
blkctx->sender = hcl->active_context;
HCL_ASSERT (hcl, (hcl_oop_t)blkctx->home != hcl->_nil); /* if not intial context, the home must not be null */
HCL_ASSERT (hcl, (hcl_oop_t)blkctx->sender == hcl->_nil); /* the sender is not set. the caller must set this if needed */
*pnewctx = blkctx;
return 0;
@ -1800,9 +1798,12 @@ static HCL_INLINE int activate_block (hcl_t* hcl, hcl_ooi_t nargs)
rcv = (hcl_oop_block_t)HCL_STACK_GETRCV(hcl, nargs);
HCL_ASSERT (hcl, HCL_IS_BLOCK(hcl, rcv));
x = __activate_block(hcl, rcv, nargs, &newctx);
x = prepare_new_block(hcl, rcv, nargs, 0, &newctx);
if (HCL_UNLIKELY(x <= -1)) return -1;
HCL_STACK_POPS (hcl, nargs + 1); /* pop arguments and receiver */
newctx->sender = hcl->active_context;
SWITCH_ACTIVE_CONTEXT (hcl, newctx);
return 0;
}
@ -2458,7 +2459,7 @@ static HCL_INLINE int do_return (hcl_t* hcl, hcl_oop_t return_value)
* (printf "xxx %d\n" (return-from-home 999))
* -----------------------------------------------
* (if (> 19 (return-from-home 20)) 30) */
HCL_LOG0 (hcl, HCL_LOG_IC | HCL_LOG_WARN, "Warning - stack not empty on return-from-home\n"); /* TODO: include line number and file name */
HCL_LOG1 (hcl, HCL_LOG_IC | HCL_LOG_WARN, "Warning - stack not empty on return-from-home - SP %zd\n", hcl->sp); /* TODO: include line number and file name */
}
terminate_process (hcl, hcl->processor->active);
@ -2489,7 +2490,7 @@ static HCL_INLINE int do_return (hcl_t* hcl, hcl_oop_t return_value)
/* return-from-home has been called from where it shouldn't be
* (defun y(x) (return-from-home (* x x)))
* (printf "xxx %d\n" (y 999)) */
HCL_LOG0 (hcl, HCL_LOG_IC | HCL_LOG_WARN, "Warning - stack not empty on non-local return-from-home\n"); /* TODO: include line number and file name */
HCL_LOG1 (hcl, HCL_LOG_IC | HCL_LOG_WARN, "Warning - stack not empty on non-local return-from-home - SP %zd\n", hcl->sp); /* TODO: include line number and file name */
}
terminate_process (hcl, hcl->processor->active);
@ -2542,7 +2543,7 @@ static HCL_INLINE int do_return (hcl_t* hcl, hcl_oop_t return_value)
static HCL_INLINE void do_return_from_block (hcl_t* hcl)
{
/*if (hcl->active_context == hcl->processor->active->initial_context)*/
if (hcl->active_context->home == hcl->_nil)
if ((hcl_oop_t)hcl->active_context->home == hcl->_nil)
{
/* the active context to return from is an initial context of
* the active process. let's terminate the process.
@ -3618,7 +3619,7 @@ oops:
/* TODO: anything to do here? */
if (hcl->processor->active != hcl->nil_process)
{
HCL_LOG1 (hcl, HCL_LOG_IC | HCL_LOG_INFO, "TERMINATING ACTIVE PROCESS %zd for execution error\n", HCL_OOP_TO_SMOOI(hcl->processor->active->id));
HCL_LOG2 (hcl, HCL_LOG_IC | HCL_LOG_INFO, "TERMINATING ACTIVE PROCESS %zd for execution error - %js\n", HCL_OOP_TO_SMOOI(hcl->processor->active->id), hcl_geterrmsg(hcl));
terminate_process (hcl, hcl->processor->active);
}
return -1;
@ -3728,23 +3729,27 @@ void hcl_abort (hcl_t* hcl)
hcl_pfrc_t hcl_pf_process_fork (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
hcl_oop_t blk;
hcl_oop_block_t blk;
hcl_oop_context_t newctx;
hcl_oop_process_t newprc;
int x;
blk = (hcl_oop_t)HCL_STACK_GETARG(hcl, nargs, 0);
blk = (hcl_oop_block_t)HCL_STACK_GETARG(hcl, nargs, 0);
if (!HCL_IS_BLOCK(hcl, blk))
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "parameter not block - %O", blk);
return HCL_PF_FAILURE;
}
/* TODO: fill arguments. check argument count... */
x = prepare_new_block(hcl, blk, nargs, 1, &newctx);
if (HCL_UNLIKELY(x <= -1)) return HCL_PF_FAILURE;
newctx = make_context(hcl, 0);
if (HCL_UNLIKELY(!newctx)) return HCL_PF_FAILURE;
HCL_ASSERT (hcl, (hcl_oop_t)newctx->sender == hcl->_nil);
newctx->home = hcl->_nil; /* the new context is the initial context in the new process. so reset it to nil */
hcl_pushvolat (hcl, (hcl_oop_t*)&newctx);
newprc = make_process(hcl, newctx);
hcl_popvolat (hcl);
if (HCL_UNLIKELY(!newprc)) return HCL_PF_FAILURE;
chain_into_processor (hcl, newprc, PROC_STATE_RUNNABLE);

4
hcl/lib/prim.c
View File

@ -840,8 +840,8 @@ static pf_t builtin_prims[] =
{ 2, HCL_TYPE_MAX(hcl_oow_t), pf_integer_mod, 3, { 'm','o','d' } },
{ 1, 1, hcl_pf_process_fork, 4, { 'f','o','r','k'} },
{ 1, 1, hcl_pf_process_resume, 7, { 'r','e','s','u','m','e' } },
{ 0, 1, hcl_pf_process_suspend, 8, { 's','u','s','p','e','n','d' } },
{ 1, 1, hcl_pf_process_resume, 6, { 'r','e','s','u','m','e' } },
{ 0, 1, hcl_pf_process_suspend, 7, { 's','u','s','p','e','n','d' } },
{ 0, 0, hcl_pf_process_yield, 5, { 'y','i','e','l','d'} }
};