Commit 5947c697 authored by Petar Jovanovic's avatar Petar Jovanovic Committed by Stefan Hajnoczi
Browse files

linux-user: pass correct host flags to eventfd2 call 



This change makes conversion of TARGET_O_NONBLOCK and TARGET_O_CLOEXEC flags
to host flags before calling eventfd for TARGET_NR_eventfd2.

Signed-off-by: default avatarPetar Jovanovic <petar.jovanovic@imgtec.com>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 183543cd

linux-user/syscall.c

+10 −1
Original line number Diff line number Diff line
@@ -8823,8 +8823,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 
#endif

#if defined(TARGET_NR_eventfd2)

    case TARGET_NR_eventfd2:

        ret = get_errno(eventfd(arg1, arg2));

    {

        int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));

        if (arg2 & TARGET_O_NONBLOCK) {

            host_flags |= O_NONBLOCK;

        }

        if (arg2 & TARGET_O_CLOEXEC) {

            host_flags |= O_CLOEXEC;

        }

        ret = get_errno(eventfd(arg1, host_flags));

        break;

    }

#endif

#endif /* CONFIG_EVENTFD  */

#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)