tests: posix: common: separate posix rwlocks tests into a standalone test

posix.common contains testsuites that can be separated into smaller
groups of tests. This change moves rwlocks into a singular
testsuite at tests/posix/rwlocks app directory.

Signed-off-by: Marvin Ouma <pancakesdeath@protonmail.com>

tests/posix/rwlocks/CMakeLists.txt

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(posix_rw_locks)
+
+target_sources(app PRIVATE src/main.c)
+
+target_compile_options(app PRIVATE -U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=200809L)

tests/posix/rwlocks/prj.conf

@@ -0,0 +1,5 @@
+CONFIG_POSIX_API=y
+CONFIG_ZTEST=y
+
+CONFIG_POSIX_AEP_CHOICE_BASE=y
+CONFIG_POSIX_READER_WRITER_LOCKS=y

tests/posix/rwlocks/src/main.c

@@ -47,7 +47,7 @@ static void *thread_top(void *p1)
 	return NULL;
 }
 
-ZTEST(rwlock, test_rw_lock)
+ZTEST(posix_rw_locks, test_rw_lock)
 {
 	int ret;
 	pthread_t newthread[N_THR];
@@ -133,12 +133,12 @@ static void test_pthread_rwlockattr_pshared_common(bool set, int pshared)
 	zassert_ok(pthread_rwlockattr_destroy(&attr));
 }
 
-ZTEST(rwlock, test_pthread_rwlockattr_getpshared)
+ZTEST(posix_rw_locks, test_pthread_rwlockattr_getpshared)
 {
 	test_pthread_rwlockattr_pshared_common(false, 0);
 }
 
-ZTEST(rwlock, test_pthread_rwlockattr_setpshared)
+ZTEST(posix_rw_locks, test_pthread_rwlockattr_setpshared)
 {
 	test_pthread_rwlockattr_pshared_common(true, PTHREAD_PROCESS_PRIVATE);
 	test_pthread_rwlockattr_pshared_common(true, PTHREAD_PROCESS_SHARED);
@@ -154,4 +154,4 @@ static void before(void *arg)
 	}
 }
 
-ZTEST_SUITE(rwlock, NULL, NULL, before, NULL, NULL);
+ZTEST_SUITE(posix_rw_locks, NULL, NULL, before, NULL, NULL);

tests/posix/rwlocks/testcase.yaml

@@ -0,0 +1,26 @@
+common:
+  filter: not CONFIG_NATIVE_LIBC
+  tags:
+    - posix
+    - rwlocks
+  # 1 tier0 platform per supported architecture
+  platform_key:
+    - arch
+    - simulation
+tests:
+  portability.posix.rwlocks:
+    min_flash: 64
+    min_ram: 32
+  portability.posix.rwlocks.minimal:
+    extra_configs:
+      - CONFIG_MINIMAL_LIBC=y
+  portability.posix.rwlocks.newlib:
+    filter: TOOLCHAIN_HAS_NEWLIB == 1
+    extra_configs:
+      - CONFIG_NEWLIB_LIBC=y
+      - CONFIG_NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE=8192
+  portability.posix.rwlocks.picolibc:
+    tags: picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    extra_configs:
+      - CONFIG_PICOLIBC=y