[Bug 1916343] Re: -daemonize not working on macOS

[Thomas Huth]

This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'expired' now.
Please continue with the discussion here:

 https://gitlab.com/qemu-project/qemu/-/issues/313


** Changed in: qemu
       Status: New => Expired

** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #313
   https://gitlab.com/qemu-project/qemu/-/issues/313

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https://bugs.launchpad.net/bugs/1916343

Title:
  -daemonize not working on macOS

Status in QEMU:
  Expired

Bug description:
  Basically e.g, if I try with below command on macOS:

  qemu-system-x86_64 \
                     -m 4G \
                     -vga virtio \
                     -display default,show-cursor=on \
                     -usb \
                     -device usb-tablet \
                     -machine type=q35,accel=hvf \
                     -smp 2 \
                     -drive file=ubuntu.qcow2,if=virtio -cpu max \
                     -net nic -net 
user,hostfwd=tcp::50022-:22,hostfwd=tcp::8000-:80 \
                     -daemonize

  With this command, the QEMU processes hang there forever. I guess
  there is a bug when forking a child and kill the parent? Because when
  this issue occurs, there are actually 2 QEMU processes running

  ```
    501 14952 14951   0  7:08PM ??         0:00.00 (qemu-system-x86_)
    501 14953     1   0  7:08PM ??         0:00.03 qemu-system-x86_64 -m 4G 
-vga virtio -display default,show-cursor=on -usb -device usb-tablet -machine 
type=q35,accel=hvf -smp 2 -drive file=ubuntu.qcow2,if=virtio -cpu max -net nic 
-net user,hostfwd=tcp::50022-:22,hostfwd=tcp::8000-:80 -daemonize
    501 14951 14626   0  7:08PM ttys000    0:00.03 qemu-system-x86_64 -m 4G 
-vga virtio -display default,show-cursor=on -usb -device usb-tablet -machine 
type=q35,accel=hvf -smp 2 -drive file=ubuntu.qcow2,if=virtio -cpu max -net nic 
-net user,hostfwd=tcp::50022-:22,hostfwd=tcp::8000-:80 -daemonize
  ```

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