From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:00 -0500
Subject: lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/tests/posix/setpriority.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 lib/mlibc/tests/posix/setpriority.c

(limited to 'lib/mlibc/tests/posix/setpriority.c')

diff --git a/lib/mlibc/tests/posix/setpriority.c b/lib/mlibc/tests/posix/setpriority.c
new file mode 100644
index 0000000..11cb7ed
--- /dev/null
+++ b/lib/mlibc/tests/posix/setpriority.c
@@ -0,0 +1,27 @@
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/resource.h>
+#include <unistd.h>
+
+int main() {
+	errno = 0;
+	int original_priority = getpriority(PRIO_PROCESS, getpid());
+
+	assert(original_priority != -1 || !errno);
+
+	int ret = setpriority(PRIO_PROCESS, getpid(), original_priority + 1);
+
+	if(ret) {
+		fprintf(stderr, "%s", strerror(errno));
+		exit(1);
+	}
+
+	errno = 0;
+	int new_priority = getpriority(PRIO_PROCESS, getpid());
+
+	assert(new_priority != -1 || !errno);
+	assert(new_priority == original_priority + 1);
+}
-- 
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