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#ifndef INTERNAL_H
#define INTERNAL_H
/* low level operations, not intended for API use */
#define check(str) \
if (ret == -1) { \
perror(str); \
fprintf(stderr, \
"Warning: Could not initialize LITMUS^RT, " \
"%s failed.\n", str \
); \
}
/* taken from the kernel */
#define likely(x) __builtin_expect((x), 1)
#define unlikely(x) __builtin_expect((x), 0)
#define offsetof(s, x) __builtin_offsetof(s, x)
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
#define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_ZERO(condition))
/* I/O convenience function */
ssize_t read_file(const char* fname, void* buf, size_t maxlen);
long litmus_syscall(litmus_syscall_id_t syscall, unsigned long arg);
#endif
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