Open System Services System Calls Reference Manual (G06.28+, H06.05+)

open64(2) OSS System Calls Reference Manual
• The O_TRUNC flag is ignored for files other than regular files.
• Attempting to open an OSS directory with an access flag of O_WRONLY or O_RDWR
fails.
• Specifying the O_NONBLOCK flag when opening character special devices that sup-
port nonblocking opens is supported.
HP extensions to the XPG4 Version 2 specification are:
• Opening Guardian files (that is, files in the /G file system) is supported, as described
under Opening Guardian Files in DESCRIPTION.
• Access control lists (ACLs) for OSS files are supported. |
• The errno values [EFAULT], [EFILEBAD], [EFSBAD], [EGUARDIANOPEN], [EIO],
[ELOOP], [ENETDOWN], [EOSSNOTRUNNING], and [EPERM] can be returned.
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