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-rw-r--r--testsuite/ps.test/test-schedbatch.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/testsuite/ps.test/test-schedbatch.c b/testsuite/ps.test/test-schedbatch.c
new file mode 100644
index 0000000..9b4d334
--- /dev/null
+++ b/testsuite/ps.test/test-schedbatch.c
@@ -0,0 +1,46 @@
+/* test-schedbatch.c - Create a process using SCHED_BATCH scheduler
+ * policy and nice value.
+ * Compile: gcc -o test-schedbatch -Wall test-schedbatch.c
+ * Usage: ./test-schedbatch [ <NICE> ]
+ *
+ * Author: Mike Fleetwood
+ * https://bugzilla.redhat.com/show_bug.cgi?id=741090
+ */
+
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sched.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+/* Defined in Linux headers only */
+#ifndef SCHED_BATCH
+#define SCHED_BATCH 3
+#endif
+
+int main(int argc, const char *argv[])
+{
+ int nice = 19;
+ struct sched_param sp;
+ char msg[50];
+
+ if (argc >= 2) {
+ nice = atoi(argv[1]);
+ }
+ sp.sched_priority = 0;
+#ifdef SCHED_BATCH
+ if (sched_setscheduler(0, SCHED_BATCH, &sp)) {
+ perror("sched_setscheduler(0,SCHED_BATCH,{.sched_priority=0}");
+ }
+#endif /* SCHED_BATCH */
+ if (setpriority(PRIO_PROCESS, 0, nice) || errno) {
+ (void)snprintf(msg, sizeof(msg),
+ "setpriority(PRIO_PROCESS, 0, %d)", nice);
+ perror(msg);
+ }
+ while (1) {
+ getchar();
+ }
+}