Add CMake config

[dragonstd.git] / flag.h

diff --git a/flag.h b/flag.h
deleted file mode 100644 (file)
index ba6a859..0000000
--- a/flag.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
-       Flag
-       ----
-
-       A flag is a data structure that can be used to syncronize a boolean across multiple
-               threads.
-
-       The flag's state can be set, read and waited for in a thread safe manner.
-*/
-
-#ifndef _DRAGONSTD_FLAG_H_ // include guard
-#define _DRAGONSTD_FLAG_H_
-
-#include <pthread.h>   // for pthread_mutex_t, pthread_cond_t
-#include <stdatomic.h> // for atomic_bool
-#include <stdbool.h>   // for bool
-#include "list.h"      // for List
-
-typedef struct {
-       /* protected */
-       atomic_bool set;     // whether the flag is set
-       /* private */
-       pthread_cond_t cnd;  // main condition variable
-       pthread_mutex_t mtx; // mutex to protect the main condition variable
-       List cvs;            // condition variables
-} Flag;
-
-void flag_ini(Flag *flag);
-/*
-       Initializes the flag.
-
-       The flag should be uninitialized or deleted before passed to this function.
-       This function should be called before any other function is called on the flag.
-*/
-
-void flag_dst(Flag *flag);
-/*
-       Destroy the flag.
-
-       The refcount is unusable until reinitialized afterwards.
-*/
-
-void flag_sub(Flag *flag, pthread_cond_t *cnd);
-/*
-       [Thread Safe]
-       Subscribe condition variable cnd to flag.
-
-       The condition variable will be triggered when the flag is set.
-*/
-
-void flag_uns(Flag *flag, pthread_cond_t *cnd);
-/*
-       [Thread Safe]
-       Unsubscribe condition variable cnd from flag.
-
-       The condition variable will no longer be triggered when the flag is set.
-*/
-
-void flag_set(Flag *flag);
-/*
-       [Thread Safe]
-       Sets the flag.
-
-       This changes the flag state to be true and wakes up any threads waiting for it.
-       Afterwards, **the state cannot be changed back**.
-
-       This function can be called multiple times.
-*/
-
-void flag_slp(Flag *flag);
-/*
-       [Thread Safe]
-       Waits for the flag to be true.
-
-       This will sleep until the flag's state is changed to true, unless it is already set to
-               true.
-*/
-
-#endif // _DRAGONSTD_FLAG_H_