diff options
Diffstat (limited to 'src/sim/syscall_emul.hh')
| -rw-r--r-- | src/sim/syscall_emul.hh | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index c174fde57..0627d8d91 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -567,7 +567,8 @@ copyOutStat64Buf(SETranslatingPortProxy &mem, Addr addr, /// Target ioctl() handler. For the most part, programs call ioctl() /// only to find out if their stdout is a tty, to determine whether to -/// do line or block buffering. +/// do line or block buffering. We always claim that output fds are +/// not TTYs to provide repeatable results. template <class OS> SyscallReturn ioctlFunc(SyscallDesc *desc, int callnum, LiveProcess *process, @@ -584,22 +585,13 @@ ioctlFunc(SyscallDesc *desc, int callnum, LiveProcess *process, return -EBADF; } - switch (req) { - case OS::TIOCISATTY_: - case OS::TIOCGETP_: - case OS::TIOCSETP_: - case OS::TIOCSETN_: - case OS::TIOCSETC_: - case OS::TIOCGETC_: - case OS::TIOCGETS_: - case OS::TIOCGETA_: - case OS::TCSETAW_: + if (OS::isTtyReq(req)) { return -ENOTTY; - - default: - fatal("Unsupported ioctl call: ioctl(%d, 0x%x, ...) @ \n", - fd, req, tc->pcState()); } + + warn("Unsupported ioctl call: ioctl(%d, 0x%x, ...) @ \n", + fd, req, tc->pcState()); + return -ENOTTY; } /// Target open() handler. |