9.3 Interoperating with Other Thread Packages

CONVERSE programs are typically multilingual programs. There may be modules written using POSIX threads, but other modules may use other thread APIs. The POSIX threads implementation has the following restriction: you may only call the pthreads functions from inside threads created with pthread_create. Threads created by other thread packages (for example, the CthThread package) may not use the pthreads functions.