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Make null_ptid and minus_one_ptid "const"

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This makes null_ptid and minus_one_ptid "const".  I think this is an
improvement because it means they can't be accidentally modified.

2019-03-12  Tom Tromey  <tromey@adacore.com>

	* common/ptid.c (null_ptid, minus_one_ptid): Now const.
	* common/ptid.h (null_ptid, minus_one_ptid): Now const.
This commit is contained in:
Tom Tromey 2019-03-04 12:05:47 -07:00
parent d3a70e03cf
commit 17547186c2
3 changed files with 9 additions and 4 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2019-03-12 Tom Tromey <tromey@adacore.com>
* common/ptid.c (null_ptid, minus_one_ptid): Now const.
* common/ptid.h (null_ptid, minus_one_ptid): Now const.
2019-03-12 Tom Tromey <tromey@adacore.com>
* linux-nat.c (iterate_over_lwps): Update.

4
gdb/common/ptid.c
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@ -22,5 +22,5 @@
/* See ptid.h for these. */
ptid_t null_ptid = ptid_t::make_null ();
ptid_t minus_one_ptid = ptid_t::make_minus_one ();
ptid_t const null_ptid = ptid_t::make_null ();
ptid_t const minus_one_ptid = ptid_t::make_minus_one ();

4
gdb/common/ptid.h
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@ -145,11 +145,11 @@ private:
/* The null or zero ptid, often used to indicate no process. */
extern ptid_t null_ptid;
extern const ptid_t null_ptid;
/* The (-1,0,0) ptid, often used to indicate either an error condition
or a "don't care" condition, i.e, "run all threads." */
extern ptid_t minus_one_ptid;
extern const ptid_t minus_one_ptid;
#endif /* COMMON_PTID_H */