Changeset 1787e527 in mainline for uspace/lib/libc/include/async_priv.h

Timestamp:

2009-11-16T21:22:54Z (15 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5ebdf94

Parents:

fcbd1be (diff), 9c70ed6 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

merged with head (unstable)

File:

• uspace/lib/libc/include/async_priv.h (moved) (moved from uspace/lib/libc/arch/ia32/include/stackarg.h ) (3 diffs)

uspace/lib/libc/include/async_priv.h

@@ -1 +1 @@
 /*
- * Copyright (c) 2005 Jakub Jermar
+ * Copyright (c) 2006 Ondrej Palkovsky
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-/** @addtogroup libcia32
+/** @addtogroup libc
  * @{
  */
@@ -33 +33 @@
  */
 
-/*
- * Variable argument list manipulation macros
- * for architectures using stack to pass arguments.
- */
- 
-#ifndef LIBC_ia32_STACKARG_H_
-#define LIBC_ia32_STACKARG_H_
+#ifndef LIBC_ASYNC_PRIV_H_
+#define LIBC_ASYNC_PRIV_H_
 
-#include <sys/types.h>
+#include <adt/list.h>
+#include <fibril.h>
+#include <sys/time.h>
+#include <bool.h>
 
-/* dont allow to define it second time in stdarg.h */
-#define __VARARGS_DEFINED
+/** Structures of this type are used to track the timeout events. */
+typedef struct {
+        /** If true, this struct is in the timeout list. */
+        bool inlist;
+        
+        /** Timeout list link. */
+        link_t link;
+        
+        /** If true, we have timed out. */
+        bool occurred;
 
-typedef struct va_list {
-        int pos;
-        uint8_t *last;
-} va_list;
+        /** Expiration time. */
+        struct timeval expires;
+} to_event_t;
 
-#define va_start(ap, lst) \
-        (ap).pos = sizeof(lst);                         \
-        (ap).last = (uint8_t *) &(lst)
+/** Structures of this type are used to track the wakeup events. */
+typedef struct {
+        /** If true, this struct is in a synchronization object wait queue. */
+        bool inlist;
+        
+        /** Wait queue linkage. */
+        link_t link;
+} wu_event_t;
 
-#define va_arg(ap, type)                \
-        (*((type *)((ap).last + ((ap).pos  += sizeof(type) ) - sizeof(type))))
 
-#define va_end(ap)
+/** Structures of this type represent a waiting fibril. */
+typedef struct {
+        /** Identification of and link to the waiting fibril. */
+        fid_t fid;
+        
+        /** If true, this fibril is currently active. */
+        bool active;
 
+        /** Timeout wait data. */
+        to_event_t to_event;
+        /** Wakeup wait data. */
+        wu_event_t wu_event;
+} awaiter_t;
+
+extern void async_insert_timeout(awaiter_t *wd);
 
 #endif