Band-aid vfork() emulation (Kirill Shutemov).

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5279 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-21 02:39:45 +00:00 · 2008-09-21 02:39:45 +00:00 · 436d124b7d
parent 7058bfa638
commit 436d124b7d
1 changed files with 4 additions and 0 deletions
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@ -2800,6 +2800,10 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
    sigset_t sigmask;
 #endif

+    /* Emulate vfork() with fork() */
+    if (flags & CLONE_VFORK)
+        flags &= ~(CLONE_VFORK | CLONE_VM);
+
    if (flags & CLONE_VM) {
 #if defined(USE_NPTL)
        new_thread_info info;