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* libc/sys/rtems/sys/queue.h: Delete file.

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* libc/include/sys/cdefs.h (__containerof): New define.
	(__DEQUALIFY): Likewise.
	* libc/include/sys/queue.h (TRACEBUF_INITIALIZER): Likewise.
	(TRACEBUF): Likewise.
	(LIST_FOREACH_SAFE): Likewise.
	(LIST_PREV): Likewise.
	(LIST_SWAP): Likewise.
	(QMD_LIST_CHECK_HEAD): Likewise.
	(QMD_LIST_CHECK_NEXT): Likewise.
	(QMD_LIST_CHECK_PREV): Likewise.
	(QMD_SAVELINK): Likewise.
	(QMD_TAILQ_CHECK_HEAD): Likewise.
	(QMD_TAILQ_CHECK_NEXT): Likewise.
	(QMD_TAILQ_CHECK_PREV): Likewise.
	(QMD_TAILQ_CHECK_TAIL): Likewise.
	(QMD_TRACE_ELEM): Likewise.
	(QMD_TRACE_HEAD): Likewise.
	(SLIST_FOREACH_PREVPTR): Likewise.
	(SLIST_FOREACH_SAFE): Likewise.
	(SLIST_REMOVE_AFTER): Likewise.
	(SLIST_SWAP): Likewise.
	(STAILQ_FOREACH_SAFE): Likewise.
	(STAILQ_REMOVE_AFTER): Likewise.
	(STAILQ_SWAP): Likewise.
	(TAILQ_FOREACH_REVERSE_SAFE): Likewise.
	(TAILQ_FOREACH_SAFE): Likewise.
	(TAILQ_SWAP): Likewise.
	(TRASHIT): Likewise.
	(SLIST_REMOVE): Use SLIST_REMOVE_AFTER().
	(STAILQ_LAST): Use __containerof().
	(STAILQ_REMOVE): Use STAILQ_REMOVE_AFTER().
This commit is contained in:
Corinna Vinschen
2013-04-16 10:25:16 +00:00
parent 48f81ac677
commit 7eb805f68d
4 changed files with 320 additions and 571 deletions
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24
newlib/libc/include/sys/cdefs.h
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@ -44,6 +44,10 @@
#ifndef _SYS_CDEFS_H
#define _SYS_CDEFS_H
#include <sys/features.h>
#include <stddef.h>
#include <stdint.h>
#define __FBSDID(x) /* nothing */
/*
* Note: the goal here is not compatibility to K&R C. Since we know that we
@ -101,6 +105,26 @@
# define __ptrvalue /* nothing */
#endif
/*
* Given the pointer x to the member m of the struct s, return
* a pointer to the containing structure. When using GCC, we first
* assign pointer x to a local variable, to check that its type is
* compatible with member m.
*/
#if __GNUC_PREREQ(3, 1)
#define __containerof(x, s, m) ({ \
const volatile __typeof__(((s *)0)->m) *__x = (x); \
__DEQUALIFY(s *, (const volatile char *)__x - offsetof(s, m));\
})
#else
#define __containerof(x, s, m) \
__DEQUALIFY(s *, (const volatile char *)(x) - offsetof(s, m))
#endif
#ifndef __DEQUALIFY
#define __DEQUALIFY(type, var) ((type)(uintptr_t)(const volatile void *)(var))
#endif
#ifdef __GNUC__
#define __strong_reference(sym,aliassym) \
extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));