SYSCALL_DEFINE4

Name:SYSCALL_DEFINE4

Proto:SYSCALL_DEFINE4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags)

Type:

Parameter:Nothing

1801

If Value for the false possibility is greater at compile time(flags & ~SPLICE_F_ALL) Then Return -EINVAL

1804

If Value for the false possibility is greater at compile time(!len) Then Return 0

1807

1808

in = fdget(fdin)

1809

If file Then

1810

If f_mode & le is open for reading Then

1811

out = fdget(fdout)

1812

If file Then

1813

If f_mode & le is open for writing Then error = This is a tee(1) implementation that works on pipes. It doesn't copy* any data, it simply references the 'in' pages on the 'out' pipe.* The 'flags' used are the SPLICE_F_* variants, currently the only* applicable one is SPLICE_F_NONBLOCK.

1816

1819

1822

Return error

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