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QNX RTOS v4 project
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QNX RTOS v4 Knowledge Base

Title Use of qnx_fd_attach()
Ref. No. QNX.000004149
Category(ies) Development
Issue Can qnx_fd_attach() be used to open a duplicate fd to another process if the calling process knows the pid and fd used by the other process?



Solution No it can't, because fd's can only be inherited, you can't pass them to another process.  The other process would need to do an open() on the file.