#if 0 int clone(int (*start)(void *), void *stack, int flags, void *arg, pid_t *ptid, struct user_desc *tls, pid_t *ctid) { int ret; __asm__( "andl $-16,%%ecx \n\t" "xchgl %%ebx,%2 \n\t" "movl %%ebx,(%%ecx) \n\t" "int $0x80 \n\t" "testl %%eax,%%eax \n\t" "jnz 1f \n\t" "xorl %%ebp,%%ebp \n\t" "call *%%ebx \n\t" "\n1: \n\t" "xchgl %%ebx,%2 \n\t" : "=a" (ret) : "a" (__NR_clone), "m" (flags), "c"(stack), "d"(ptid), "S" (tls), "D" (ctid) : "memory" ); return __syscall_ret(ret); } #endif