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https://github.com/schoebel/mars
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80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
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#ifndef BRICK_CHECKING_H
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#define BRICK_CHECKING_H
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/////////////////////////////////////////////////////////////////////////
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// checking
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#ifdef CONFIG_MARS_DEBUG
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#define BRICK_CHECKING true
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#else
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#define BRICK_CHECKING false
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#endif
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#define _CHECK_ATOMIC(atom,OP,minval) \
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do { \
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if (BRICK_CHECKING) { \
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int __test = atomic_read(atom); \
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if (__test OP (minval)) { \
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atomic_set(atom, minval); \
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BRICK_ERR("%d: atomic " #atom " " #OP " " #minval " (%d)\n", __LINE__, __test); \
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} \
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} \
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} while (0)
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#define CHECK_ATOMIC(atom,minval) \
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_CHECK_ATOMIC(atom, <, minval)
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#define CHECK_HEAD_EMPTY(head) \
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do { \
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if (BRICK_CHECKING && unlikely(!list_empty(head) && (head)->next)) { \
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list_del_init(head); \
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BRICK_ERR("%d: list_head " #head " (%p) not empty\n", __LINE__, head); \
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} \
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} while (0)
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#define CHECK_PTR_DEAD(ptr,label) \
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do { \
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if (BRICK_CHECKING && unlikely((ptr) == (void*)0x5a5a5a5a5a5a5a5a)) { \
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BRICK_FAT("%d: pointer '" #ptr "' is DEAD\n", __LINE__); \
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goto label; \
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} \
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} while (0)
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#define CHECK_PTR_NULL(ptr,label) \
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do { \
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CHECK_PTR_DEAD(ptr, label); \
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if (BRICK_CHECKING && unlikely(!(ptr))) { \
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BRICK_FAT("%d: pointer '" #ptr "' is NULL\n", __LINE__); \
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goto label; \
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} \
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} while (0)
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#define CHECK_PTR(ptr,label) \
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do { \
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CHECK_PTR_NULL(ptr, label); \
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if (BRICK_CHECKING && unlikely(!virt_addr_valid(ptr))) { \
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BRICK_FAT("%d: pointer '" #ptr "' (%p) is no valid virtual KERNEL address\n", __LINE__, ptr); \
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goto label; \
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} \
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} while (0)
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#define CHECK_ASPECT(a_ptr, o_ptr,label) \
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do { \
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if (BRICK_CHECKING && unlikely((a_ptr)->object != o_ptr)) { \
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BRICK_FAT("%d: aspect pointer '" #a_ptr "' (%p) belongs to object %p, not to " #o_ptr " (%p)\n", __LINE__, a_ptr, (a_ptr)->object, o_ptr); \
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goto label; \
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} \
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} while (0)
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#define _CHECK(ptr,label) \
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do { \
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if (BRICK_CHECKING && unlikely(!(ptr))) { \
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BRICK_FAT("%d: condition '" #ptr "' is VIOLATED\n", __LINE__); \
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goto label; \
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} \
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} while (0)
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#endif
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