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Solaris / OpenSolaris This forum is for the discussion of Solaris, OpenSolaris, OpenIndiana, and illumos.
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Old 05-03-2006, 05:33 AM   #1
Registered: Jun 2005
Posts: 542

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system call to

Is there any similar to the FIODTYPE ioctl() to retrieve the type of device file ?
I want to know whether a particular file descriptor (opened in non-blocking mode) refers to tapes to close it so there's no danger when I open a char or block device. With FIODTYPE I have these: D_TAPE, D_MEM, D_TTY and D_DISK but only on BSD. Is there a similar call for Solaris and Linux ?
Old 05-03-2006, 07:15 AM   #2
Registered: Jun 2005
Posts: 542

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I've found the way to check if it is a tape device that is portable: <sys/mtio.h> defines a MTIOCGET ioctl(). Anyway I'd like to know the generic way to obtain information about a type of device in Solaris.

Cheers, p


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