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a26a9e6881
If pthread_cond_wait fails and the thread worker ends, make sure to unlock retire_mutex, which has been locked for the condition. The return value of pthread_mutex_unlock is ignored, as there's nothing that can be done with it at that point.
This is the third rewrite of the virt-df program. It very much
follows the outline of the Perl program which this replaced in
libguestfs 1.7.14.
main.c - main program
domains.c - dealing with libvirt, only used if libvirt is around
at compile time
df.c - getting the stats from libguestfs
output.c - writing the output, CSV output
virt-df.h - header file
Note this also uses the shared options parsing code in
'fish/options.[ch]'.