linux/include/asm-generic/unistd.h
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   1#include <uapi/asm-generic/unistd.h>
   2
   3/*
   4 * These are required system calls, we should
   5 * invert the logic eventually and let them
   6 * be selected by default.
   7 */
   8#if __BITS_PER_LONG == 32
   9#define __ARCH_WANT_STAT64
  10#define __ARCH_WANT_SYS_LLSEEK
  11#endif
  12#define __ARCH_WANT_SYS_RT_SIGACTION
  13#define __ARCH_WANT_SYS_RT_SIGSUSPEND
  14#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
  15
  16/*
  17 * "Conditional" syscalls
  18 *
  19 * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
  20 * but it doesn't work on all toolchains, so we just do it by hand
  21 */
  22#ifndef cond_syscall
  23#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
  24#endif
  25
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