progress: replace setitimer() with alarm()

The first patch does the minimum changes required to swap the underlying function, but introduce a race condition that is addressed in the second patch.

A third patch that does further changes to the Windows compatibility layer was punted.

Carlo Marcelo Arenas Belón (2): progress: replace setitimer() with alarm()
progress: add a shutting down state to the SIGALRM handler

Makefile | 12 ------------ compat/mingw-posix.h | 9 +-------- compat/mingw.c

| 46 ++++++++++++++++---------------------------- compat/posix.h | 17
---------------- configure.ac | 13 ------------- meson.build | 16
--------------- progress.c | 29 +++++++++++++++------------- 7 files

changed, 34 insertions(+), 108 deletions(-)

Carlo Marcelo Arenas Belón (2):
progress: replace setitimer() with alarm()
progress: add a shutting down state to the SIGALRM handler

 Makefile             | 12 ------------
 compat/mingw-posix.h |  9 +--------
 compat/mingw.c       | 46 ++++++++++++++++----------------------------
 compat/posix.h       | 17 ----------------
 configure.ac         | 13 -------------
 meson.build          | 16 ---------------
 progress.c           | 29 +++++++++++++++-------------
 7 files changed, 34 insertions(+), 108 deletions(-)

base-commit: 1fa68948c3d76328236cac73d2adf33c905bd8e3
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1960%2Fcarenas%2Fnoitimer-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1960/carenas/noitimer-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/1960

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