From f8217c1241c570ab4b529f81f86573df27a93c1f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 2 Oct 2007 21:03:19 +0000
Subject: remove once.[ch]

git-svn-id: file:///home/lennart/svn/public/libsydney/trunk@40 9ba3c220-e4d3-45a2-8aa3-73fcc9aff6ce
---
 src/once.c | 58 ----------------------------------------------------------
 src/once.h | 17 -----------------
 2 files changed, 75 deletions(-)
 delete mode 100644 src/once.c
 delete mode 100644 src/once.h

(limited to 'src')

diff --git a/src/once.c b/src/once.c
deleted file mode 100644
index 5dc9764..0000000
--- a/src/once.c
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <pthread.h>
-#include <assert.h>
-
-#include "once.h"
-#include "mutex.h"
-#include "malloc.h"
-#include "macro.h"
-
-static sa_mutex_t *global_mutex; 
-static pthread_once_t global_mutex_once = PTHREAD_ONCE_INIT;
-
-static void global_mutex_once_func(void) { 
-    global_mutex = sa_mutex_new(0);
-} 
-
-int sa_once(sa_once_t *control, sa_once_func_t func) {
-    int r;
-    
-    assert(control); 
-    assert(func); 
-    
-    /* Create the global mutex */
-    sa_assert_success(pthread_once(&global_mutex_once, global_mutex_once_func));
-
-    if (!global_mutex)
-        return -1;
-
-    r = 0;
-    
-    /* Create the local mutex */
-    sa_mutex_lock(global_mutex); 
-    if (!control->mutex) {
-        if (!(control->mutex = sa_mutex_new(1)))
-            r = -1;
-    }
-    sa_mutex_unlock(global_mutex);
-
-    if (r)
-        return -1;
-    
-    /* Execute function */
-    sa_mutex_lock(control->mutex);
-    if (!control->once_value) {
-        control->once_value = 1;
-        func();
-    }
-    sa_mutex_unlock(control->mutex); 
-
-    /* Caveat: We have to make sure that the once func has completed
-     * before returning, even if the once func is not actually
-     * executed by us. Hence the awkward locking. */
-
-    return 0;
-} 
diff --git a/src/once.h b/src/once.h
deleted file mode 100644
index a374529..0000000
--- a/src/once.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef foosydneyoncehfoo
-#define foosydneyoncehfoo
-
-#include "mutex.h"
-
-typedef struct sa_once {
-    unsigned int once_value;
-    sa_mutex_t *mutex;
-} sa_once_t;
-
-#define SA_ONCE_INIT { .once_value = 0, .mutex = NULL }
-
-typedef void (*sa_once_func_t) (void);
-
-int sa_once(sa_once_t *o, sa_once_func_t f);
-
-#endif
-- 
cgit