nsz Git - musl/blob - src/thread/clone.c

   1 #if 0
   2
   3 int clone(int (*start)(void *), void *stack, int flags, void *arg,
   4         pid_t *ptid, struct user_desc *tls, pid_t *ctid)
   5 {
   6         int ret;
   7         __asm__(
   8                 "andl $-16,%%ecx     \n\t"
   9                 "xchgl %%ebx,%2      \n\t"
  10                 "movl %%ebx,(%%ecx)  \n\t"
  11                 "int $0x80           \n\t"
  12                 "testl %%eax,%%eax   \n\t"
  13                 "jnz 1f              \n\t"
  14                 "xorl %%ebp,%%ebp    \n\t"
  15                 "call *%%ebx         \n\t"
  16                 "\n1:                \n\t"
  17                 "xchgl %%ebx,%2      \n\t"
  18                 : "=a" (ret)
  19                 : "a" (__NR_clone), "m" (flags), "c"(stack), "d"(ptid),
  20                   "S" (tls), "D" (ctid)
  21                 : "memory"
  22         );
  23         return __syscall_ret(ret);
  24 }
  25
  26 #endif