umount.s

来自「glibc 库, 不仅可以学习使用库函数,还可以学习函数的具体实现,是提高功力的」· S 代码 · 共 13 行

/* This hack is necessary since the kernel people are making "strange"
   changes.  They simply rename old system calls.  */

#include <sysdep.h>
#ifdef __NR_oldumount
PSEUDO (__umount, oldumount, 1)
#else
PSEUDO (__umount, umount, 1)
#endif
	ret
PSEUDO_END(__umount)
weak_alias (__umount, umount)