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  1. 16 3月, 2019 4 次提交
    • E
      snapshot: Sort virconftypes.h · 41e3d35e
      由 Eric Blake 提交于 
      It's easier to locate a typedef if they are stored in sorted order;
do so mechanically via:

$ sed -i '/typedef struct/ {N; N; s/\n//g}' src/conf/virconftypes.h
$ # sorting the lines
$ sed -i '/typedef struct/ s/;/;\n/g' src/conf/virconftypes.h
Signed-off-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
      41e3d35e
    • E
      conf: Split capabilities forward typedefs into virconftypes.h · 23c15e34
      由 Eric Blake 提交于 
      As explained in the previous patch, collecting pointer typedefs into a
common header makes it easier to avoid circular inclusions.  Continue
the efforts by pulling the appropriate typedefs from capabilities.h
into the new header.

This patch is just straight code motion (all typedefs are listed in
the same order before and after the patch); a later patch will sort
things for legibility.
Signed-off-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
      23c15e34
    • E
      conf: Split domain forward typedefs into virconftypes.h · c555ec24
      由 Eric Blake 提交于 
      Right now, snapshot_conf.h is rather large - it deals with three
separate types: virDomainSnapshotDef (the snapshot definition as it
maps to XML), virDomainSnapshotObj (an object containing a def and the
relationship to other snapshots), and virDomainSnapshotObjList (a list
of snapshot objects), where two of the three types are currently
public rather than opaque.  What's more, the types are circular: a
snapshot def includes a virDomainPtr, which contains a snapshot list,
which includes a snapshot object, which includes a snapshot def.

In order to split the three objects into separate files, while still
allowing each header to use sane typedefs to incomplete pointers, the
obvious solution is to lift the typedefs into yet another header, with
no other dependencies.  Start the split by factoring out all struct
typedefs from domain_conf.h (enum typedefs don't get used in function
signatures, and function typedefs tend not to suffer from circular
referencing, so those stay put).  The only other exception is
virDomainStateReason, which is only ever used directly rather than via
a pointer.

This patch is just straight code motion (all typedefs are listed in
the same order before and after the patch); a later patch will sort
things for legibility.
Signed-off-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
      c555ec24
    • E
      object: Add sanity check on correct parent class · 1c560052
      由 Eric Blake 提交于 
      Checking that the derived class is larger than the requested parent
class saves us from some obvious mistakes, but as written, it does not
catch all the cases; in particular, it is easy to forget to update a
VIR_CLASS_NEW when changing the 'parent' member from virObject to
virObjectLockabale, but where the size checks don't catch that.  Add a
parameter for one more layer of sanity checking.

It would be cool if we could get gcc to stringize typeof(parent) into
the string name of that type, so that we could confirm that the
precise parent class is in use rather than just a struct that happens
to have the same size as the parent class.  But sizeof checks are
better than nothing.

Note that I did NOT change the fact that we require derived classes to
be larger (as the difference in size makes it easy to tell classes
apart), which means that even if a derived class has no functionality
to add (but rather exists for compiler-enforced type-safety), it must
still include a dummy member.  But I did fix the wording of the error
message to match the code.
Signed-off-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
      1c560052
  3. 15 3月, 2019 19 次提交
  5. 14 3月, 2019 17 次提交