wip

1 files changed, 13 insertions, 2 deletions

diff --git a/coroutine.c b/coroutine.c
index 491dc67..13a747a 100644
--- a/coroutine.c
+++ b/coroutine.c
@@ -4,6 +4,7 @@
  * SPDX-Licence-Identifier: AGPL-3.0-or-later
  */
 
+#include <stdio.h>
 #include <stdlib.h> /* for malloc(pico_malloc) and realloc(pico_malloc) */
 
 #include "coroutine.h"
@@ -13,9 +14,13 @@ _cr_entry_t *_coroutine_table    = NULL;
 cid_t        _cur_cid            = 0;
 
 void coroutine_init(void) {
-	if (coroutine_table_len)
+	printf("coroutine_table_len = %u\n", (int)coroutine_table_len);
+	if (coroutine_table_len) {
+		printf("return\n");
 		return;
+	}
 	coroutine_table_len = 1;
+	printf("coroutine_table_len = %u\n", (int)coroutine_table_len);
 	_coroutine_table = malloc(sizeof _coroutine_table[0]);
 	_coroutine_table[0] = (_cr_entry_t){
 		.fn = (cr_fn_t)0xDEAD,
@@ -40,6 +45,7 @@ cid_t coroutine_add(cr_fn_t fn, void *stack) {
 		.state = 0,
 		.blocked = false,
 	};
+	printf("added coroutine %u\n", (int)cid);
 	return cid;
 }
 
@@ -51,8 +57,13 @@ void coroutine_task(void) {
 		     (_coroutine_table[(start+shift)%coroutine_table_len].fn == NULL ||
 		      _coroutine_table[(start+shift)%coroutine_table_len].blocked);
 	     shift++) {}
-	if (shift == coroutine_table_len)
+	if (shift == coroutine_table_len) {
+		printf("idle\n");
 		return;
+	}
 	_cur_cid = (start + shift) % coroutine_table_len;
+	printf("running %u\n", (int)_cur_cid);
+	if (_cur_cid == 0)
+		exit(1);
 	_coroutine_table[_cur_cid].fn(_coroutine_table[_cur_cid].stack);
 }