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Merged
khuey merged 1 commit into from
Nov 14, 2025
Merged

Support TCSETSW2 and TCSETSF2 #4031

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2 changes: 2 additions & 0 deletions src/record_syscall.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1984,6 +1984,8 @@ static Switchable prepare_ioctl(RecordTask* t,
case IOCTL_MASK_SIZE(TUNSETVNETLE):
case IOCTL_MASK_SIZE(TUNSETVNETBE):
case IOCTL_MASK_SIZE(TCSETS2):
case IOCTL_MASK_SIZE(TCSETSW2):
case IOCTL_MASK_SIZE(TCSETSF2):
return PREVENT_SWITCH;
case IOCTL_MASK_SIZE(USBDEVFS_GETDRIVER):
// Reads and writes its parameter despite not having the _IOC_READ bit.
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2 changes: 2 additions & 0 deletions src/test/ioctl_tty.c
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Expand Up @@ -132,6 +132,8 @@ int main(void) {
tc2->c_iflag, tc2->c_oflag, tc2->c_cflag, tc2->c_lflag,
tc2->c_ispeed, tc2->c_ospeed);
test_assert(0 == ioctl(fd, TCSETS2, tc2));
test_assert(0 == ioctl(fd, TCSETSW2, tc2));
test_assert(0 == ioctl(fd, TCSETSF2, tc2));

// NB: leaving the TCSETS2 as the last word seems to mess up the terminal,
// so fix it.
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