From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/thread/clone.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/thread/clone.c (limited to 'src/thread/clone.c') diff --git a/src/thread/clone.c b/src/thread/clone.c new file mode 100644 index 00000000..971bfeed --- /dev/null +++ b/src/thread/clone.c @@ -0,0 +1,26 @@ +#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 -- cgit v1.2.1