mirror of https://github.com/schoebel/mars
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
|
// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
|
||
|
|
#ifndef BRICK_CHECKING_H
|
||
|
|
#define BRICK_CHECKING_H
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
// checking
|
||
|
|
|
||
|
|
#ifdef CONFIG_DEBUG_KERNEL
|
||
|
|
#define BRICK_CHECKING true
|
||
|
|
#else
|
||
|
|
#define BRICK_CHECKING false
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define _CHECK_ATOMIC(atom,OP,minval) \
|
||
|
|
if (BRICK_CHECKING) do { \
|
||
|
|
int __test = atomic_read(atom); \
|
||
|
|
if (__test OP (minval)) { \
|
||
|
|
atomic_set(atom, minval); \
|
||
|
|
BRICK_ERR("%d: atomic " #atom " " #OP " " #minval " (%d)\n", __LINE__, __test); \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define CHECK_ATOMIC(atom,minval) \
|
||
|
|
_CHECK_ATOMIC(atom, <, minval)
|
||
|
|
|
||
|
|
#define CHECK_HEAD_EMPTY(head) \
|
||
|
|
if (BRICK_CHECKING && unlikely(!list_empty(head))) { \
|
||
|
|
list_del_init(head); \
|
||
|
|
BRICK_ERR("%d: list_head " #head " (%p) not empty\n", __LINE__, head); \
|
||
|
|
} \
|
||
|
|
|
||
|
|
#define CHECK_PTR_NULL(ptr,label) \
|
||
|
|
if (BRICK_CHECKING && unlikely(!(ptr))) { \
|
||
|
|
BRICK_FAT("%d: pointer '" #ptr "' is NULL\n", __LINE__); \
|
||
|
|
goto label; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define CHECK_PTR(ptr,label) \
|
||
|
|
CHECK_PTR_NULL(ptr, label); \
|
||
|
|
if (BRICK_CHECKING && unlikely(!virt_addr_valid(ptr))) { \
|
||
|
|
BRICK_FAT("%d: pointer '" #ptr "' (%p) is no valid virtual KERNEL address\n", __LINE__, ptr); \
|
||
|
|
goto label; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define _CHECK(ptr,label) \
|
||
|
|
if (BRICK_CHECKING && unlikely(!(ptr))) { \
|
||
|
|
BRICK_FAT("%d: condition '" #ptr "' is VIOLATED\n", __LINE__); \
|
||
|
|
goto label; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|