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authorPeter Maydell <peter.maydell@linaro.org>2016-07-18 11:47:55 +0100
committerRiku Voipio <riku.voipio@linaro.org>2016-09-21 14:25:10 +0300
commit700fa58e4b9100d6bd77df06d2e5d1f457720c4d (patch)
treed612af7604ee39ca3bc2d701d4485d90bb29dd7c /.mailmap
parent6080723102d1ad3b553769834d6a23e3f3d8250f (diff)
linux-user: Use direct syscall for utimensat
The linux utimensat syscall differs in semantics from the libc function because the syscall combines the features of utimensat() and futimens(). Rather than trying to split these apart in order to call the two libc functions which then call the same underlying syscall, just always directly make the host syscall. This fixes bugs in some of the corner cases which should return errors from the syscall but which we were incorrectly directing to futimens(). This doesn't reduce the set of hosts that our syscall implementation will work on, because if the direct syscall fails ENOSYS then the libc functions would also fail ENOSYS. (The system call has been in the kernel since 2.6.22 anyway.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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