DCE for the HP e3000 (B3821-90002)

Programming with Kernel Threads
Writing Thread-Safe Code
Chapter 5
56
Writing Thread-Safe Code
The standard C/XL library is not completely thread safe on the HP 3000.
Hewlett-Packard has provided a set of wrapper functions to intercept calls to the C
library and make them thread safe. The wrapper definitions reside in the
/usr/include/thdwrp.h file.