From 54577a8b6017101fddfbdbf8b6de0e5fbacdac5f Mon Sep 17 00:00:00 2001
From: Wei Ji <23487320+weiji14@users.noreply.github.com>
Date: Tue, 2 Jan 2024 20:40:35 +1300
Subject: [PATCH 1/4] Add common alias cores (x) for grdlandmask

---
 pygmt/src/grdlandmask.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pygmt/src/grdlandmask.py b/pygmt/src/grdlandmask.py
index f109a821e89..beb06450959 100644
--- a/pygmt/src/grdlandmask.py
+++ b/pygmt/src/grdlandmask.py
@@ -26,6 +26,7 @@
     R="region",
     V="verbose",
     r="registration",
+    x="cores",
 )
 @kwargs_to_strings(I="sequence", R="sequence", N="sequence", E="sequence")
 def grdlandmask(**kwargs):
@@ -82,6 +83,7 @@ def grdlandmask(**kwargs):
         considered outside [Default is inside].
     {verbose}
     {registration}
+    {cores}
 
     Returns
     -------

From 137a04fbbd44e5493bf53d9ffe43fa8c9c5b453c Mon Sep 17 00:00:00 2001
From: Wei Ji <23487320+weiji14@users.noreply.github.com>
Date: Tue, 2 Jan 2024 20:47:44 +1300
Subject: [PATCH 2/4] Run test_grdlandmask_no_outgrid with 2 cores

---
 pygmt/tests/test_grdlandmask.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pygmt/tests/test_grdlandmask.py b/pygmt/tests/test_grdlandmask.py
index 4d71b5c38ff..5340c4269fe 100644
--- a/pygmt/tests/test_grdlandmask.py
+++ b/pygmt/tests/test_grdlandmask.py
@@ -49,7 +49,7 @@ def test_grdlandmask_no_outgrid(expected_grid):
     """
     Test grdlandmask with no set outgrid.
     """
-    result = grdlandmask(spacing=1, region=[125, 130, 30, 35])
+    result = grdlandmask(spacing=1, region=[125, 130, 30, 35], cores=2)
     # check information of the output grid
     assert isinstance(result, xr.DataArray)
     assert result.gmt.gtype == 1  # Geographic grid

From 35e2d615d9ba3d6b4827a6d9693a654e12be5537 Mon Sep 17 00:00:00 2001
From: Wei Ji <23487320+weiji14@users.noreply.github.com>
Date: Thu, 4 Jan 2024 11:24:00 +1300
Subject: [PATCH 3/4] Try setting cores=1 and turn on verbose info mode

---
 pygmt/tests/test_grdlandmask.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pygmt/tests/test_grdlandmask.py b/pygmt/tests/test_grdlandmask.py
index 5340c4269fe..a9eb572e860 100644
--- a/pygmt/tests/test_grdlandmask.py
+++ b/pygmt/tests/test_grdlandmask.py
@@ -49,7 +49,7 @@ def test_grdlandmask_no_outgrid(expected_grid):
     """
     Test grdlandmask with no set outgrid.
     """
-    result = grdlandmask(spacing=1, region=[125, 130, 30, 35], cores=2)
+    result = grdlandmask(spacing=1, region=[125, 130, 30, 35], cores=1, verbose="i")
     # check information of the output grid
     assert isinstance(result, xr.DataArray)
     assert result.gmt.gtype == 1  # Geographic grid

From 97637d4dffa252ce3160cec452accfe5fec57fcc Mon Sep 17 00:00:00 2001
From: Wei Ji <23487320+weiji14@users.noreply.github.com>
Date: Thu, 4 Jan 2024 14:25:49 +1300
Subject: [PATCH 4/4] Revert "Try setting cores=1 and turn on verbose info
 mode"

This reverts commit 35e2d615d9ba3d6b4827a6d9693a654e12be5537.
---
 pygmt/tests/test_grdlandmask.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pygmt/tests/test_grdlandmask.py b/pygmt/tests/test_grdlandmask.py
index a9eb572e860..5340c4269fe 100644
--- a/pygmt/tests/test_grdlandmask.py
+++ b/pygmt/tests/test_grdlandmask.py
@@ -49,7 +49,7 @@ def test_grdlandmask_no_outgrid(expected_grid):
     """
     Test grdlandmask with no set outgrid.
     """
-    result = grdlandmask(spacing=1, region=[125, 130, 30, 35], cores=1, verbose="i")
+    result = grdlandmask(spacing=1, region=[125, 130, 30, 35], cores=2)
     # check information of the output grid
     assert isinstance(result, xr.DataArray)
     assert result.gmt.gtype == 1  # Geographic grid