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The current implementation of getumask involves writing a file with mode 0777 and then testing what mode was created by the kernel. This doesn't work properly if the user set a per-mount umask (or fmask/ dmask). This alternative method was suggested by Josh Stone. By forking, we can use the thread-unsafe method (calling umask) and pass the result back over a pipe. This change also fixes another problem: mode_t is unsigned, so cannot be used to return an error indication (ie. -1). Return a plain int instead. Thanks: Josh Stone, Jiri Jaburek, Eric Blake.
This directory contains miscellaneous manual pages which don't fit elsewhere. Most libguestfs documentation is in manual pages. The source for those manual pages are POD files (*.pod), and they are normally located next to the source files they relate to (eg. guestfish documentation is in fish/guestfish.pod). All manual pages are available online at http://libguestfs.org/ The main API documentation is: http://libguestfs.org/guestfs.3.html