Commit 24836689 authored by pbrook's avatar pbrook
Browse files

Implement acct and pretend to implement madvise.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1819 c046a42c-6fe2-441c-8c8c-71466251a162
parent d4b8f039
......@@ -2145,7 +2145,10 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
goto unimplemented;
case TARGET_NR_acct:
goto unimplemented;
p = lock_user_string(arg1);
ret = get_errno(acct(path(p)));
unlock_user(p, arg1, 0);
break;
case TARGET_NR_umount2:
p = lock_user_string(arg1);
ret = get_errno(umount2(p, arg2));
......@@ -3547,7 +3550,12 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
#endif
#ifdef TARGET_NR_madvise
case TARGET_NR_madvise:
goto unimplemented;
/* A straight passthrough may not be safe because qemu sometimes
turns private flie-backed mappings into anonymous mappings.
This will break MADV_DONTNEED.
This is a hint, so ignoring and returning success is ok. */
ret = get_errno(0);
break;
#endif
#if TARGET_LONG_BITS == 32
case TARGET_NR_fcntl64:
......
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