cyberslak
/lightsout
/amendments
/21
remove unused channel code
cyberslak made amendment 21 about 1 month ago
--- channel.c Mon Mar 10 00:23:06 2025
+++ channel.c Thu Jan 30 22:32:16 1908
@@ -1,67 +0,0 @@
-#include <stdlib.h>
-#include "channel.h"
-#include "util.h"
-
-struct channel {
- Ptr* ringbuf;
- size_t reader;
- size_t writer;
- size_t size;
- size_t count;
-};
-
-channel* channel_open(size_t bufsize) {
- channel* ch = xmalloc(sizeof(*ch));
- ch->ringbuf = xmalloc(bufsize * sizeof(Ptr));
- ch->reader = ch->writer = 0;
- ch->size = bufsize;
- ch->count = 0;
- return ch;
-}
-
-void channel_close(channel* ch) {
- if (!ch) return;
- free(ch->ringbuf);
- free(ch);
-}
-
-/* A channel is full if it is not empty and the reader
- * and writer are at the same cell. */
-static inline bool channel_full(channel* ch)
-{
- return (ch->count && ch->reader == ch->writer);
-}
-
-/* A channel is empty if count==0. */
-static inline bool channel_empty(channel* ch)
-{
- return ch->count == 0;
-}
-
-short channel_send(channel* ch, Ptr data)
-{
- if (channel_full(ch))
- return -1;
-
- ch->ringbuf[ch->writer++] = data;
- ch->count++;
-
- ch->writer %= ch->size;
-
- return 0;
-}
-
-short channel_recv(channel* ch, Ptr* data)
-{
- if (channel_empty(ch))
- return -1;
-
- if (!data)
- die("channel_recv: data == NULL");
-
- *data = ch->ringbuf[ch->reader++];
- ch->count--;
- ch->reader %= ch->size;
-
- return 0;
-}
--- channel.h Mon Mar 10 00:23:08 2025
+++ channel.h Thu Jan 30 22:32:16 1908
@@ -1,9 +0,0 @@
-#include "stdint.h"
-
-typedef struct channel channel;
-
-channel* channel_open(size_t bufsize);
-void channel_close(channel* c);
-
-short channel_send(channel* c, Ptr data);
-short channel_recv(channel* c, Ptr* data);