Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (s and S) spt_writevx(2)
• When a signal arrives during a call to the spt_writevx() function, instead of returning an
EINTR error to the application, the spt_writevx() retries the I/O operation, except in this
case: If the fork() function is called by a signal handler that is running on a thread per-
forming an spt_writevx() call, the spt_writevx() call in the child process returns an
EINTR error to the application.
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