mirror of
https://github.com/koverstreet/bcachefs-tools.git
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62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
#ifndef __TOOLS_LINUX_BUG_H
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#define __TOOLS_LINUX_BUG_H
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#include <assert.h>
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#include <linux/compiler.h>
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#ifdef CONFIG_VALGRIND
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#include <valgrind/memcheck.h>
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#define DEBUG_MEMORY_FREED(p, len) VALGRIND_MAKE_MEM_UNDEFINED(p, len)
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#endif
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#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
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BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
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#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
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#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
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#define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2*!!(cond)]))
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#define BUG() do { assert(0); unreachable(); } while (0)
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#define BUG_ON(cond) assert(!(cond))
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#define WARN(cond, fmt, ...) \
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({ \
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int __ret_warn_on = unlikely(!!(cond)); \
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if (__ret_warn_on) \
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fprintf(stderr, "WARNING at " __FILE__ ":%d: " fmt "\n",\
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__LINE__, ##__VA_ARGS__); \
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__ret_warn_on; \
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})
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#define WARN_ON(cond) ({ \
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int __ret_warn_on = unlikely(!!(cond)); \
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if (__ret_warn_on) \
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fprintf(stderr, "WARNING at " __FILE__ ":%d\n", __LINE__);\
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__ret_warn_on; \
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})
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#define WARN_ONCE(cond, fmt, ...) \
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({ \
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static bool __warned; \
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int __ret_warn_on = unlikely(!!(cond)); \
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if (__ret_warn_on && !__warned) { \
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__warned = true; \
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fprintf(stderr, "WARNING at " __FILE__ ":%d: " fmt "\n",\
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__LINE__, ##__VA_ARGS__); \
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} \
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__ret_warn_on; \
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})
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#define WARN_ON_ONCE(cond) ({ \
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static bool __warned; \
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int __ret_warn_on = unlikely(!!(cond)); \
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if (__ret_warn_on && !__warned) { \
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__warned = true; \
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fprintf(stderr, "WARNING at " __FILE__ ":%d\n", __LINE__);\
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} \
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__ret_warn_on; \
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})
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#endif /* __TOOLS_LINUX_BUG_H */
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