From 60715c7785e7fbe4759df64258ad58a8e2a0769d Mon Sep 17 00:00:00 2001
From: "@syxhe" <https://t.me/syxhe>
Date: Fri, 16 May 2025 19:09:02 -0500
Subject: Do some more work on the concurrent queue

---
 src/shared.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/shared.h')

diff --git a/src/shared.h b/src/shared.h
index 825814e..66d1af3 100644
--- a/src/shared.h
+++ b/src/shared.h
@@ -7,6 +7,9 @@
 #define FALSE 0
 #define TRUE 1
 
+typedef int (*gcallback)(void*);    // Generic callback signature
+typedef void (*fcallback)(void*);   // free()-like callback signature
+
 #define RETURNWERR(errval, retval) do {\
     errno = (errval);\
     return (retval);\
@@ -60,12 +63,12 @@ char * xdirname(const char * const path);
 
 
 // Cleanup callback. Should act like `free()`, in that it doesn't crash if the pointer it's given is null
-typedef void (*cleanup_callback)(void*);
+typedef fcallback cleanup_callback;
 
 // Cleanup struct. Stores a STATICALLY defined array of callbacks and void* arguments
 typedef struct cl {
-	cleanup_callback *funcs;
-	void **args;
+	cleanup_callback *funcs;    // Actual type: cleanup_callback funcs[] 
+	void **args;                // Actual type: void *args[]
 
 	int size;
 	int used;
-- 
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