liangbowen wrote:
maybe you've misunderstood my meaning. I mean the whole <asm/ semaphore.h> header file has only 4 lines of code in total: #ifndef I386_SEMAPHORE_H #define I386_SEMAPHORE_H #include <linux/linkage.h> #endifit's supposed to have more codes than that. like struct semaphore { int count; int waking; int lock ; /* to make waking testing atomic */ struct wait_queue * wait; }; and the down(), up() functions. but I can't see any of those codes, not even the #ifdef __KERNEL__ macro.
It does in the kernel version of that header. The userspace version of that header has everything inside #ifdef __KERNEL__ stripped out.
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