tests: add sched_rr_get_interval.test

* tests/sched_rr_get_interval.c: New file.
* tests/sched_rr_get_interval.test: New test.
* tests/.gitignore: Add sched_rr_get_interval.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add sched_rr_get_interval.test.

tests/.gitignore

@@ -152,6 +152,7 @@ rt_sigsuspend
 rt_sigtimedwait
 rt_tgsigqueueinfo
 sched_get_priority_mxx
+sched_rr_get_interval
 sched_xetaffinity
 sched_xetattr
 sched_xetparam

tests/Makefile.am

@@ -203,6 +203,7 @@ check_PROGRAMS = \
 	rt_sigtimedwait \
 	rt_tgsigqueueinfo \
 	sched_get_priority_mxx \
+	sched_rr_get_interval \
 	sched_xetaffinity \
 	sched_xetattr \
 	sched_xetparam \
@@ -450,6 +451,7 @@ DECODER_TESTS = \
 	rt_sigtimedwait.test \
 	rt_tgsigqueueinfo.test \
 	sched_get_priority_mxx.test \
+	sched_rr_get_interval.test \
 	sched_xetaffinity.test \
 	sched_xetattr.test \
 	sched_xetparam.test \

tests/sched_rr_get_interval.c

@@ -0,0 +1,26 @@
+#include "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_sched_rr_get_interval
+
+# include <stdio.h>
+# include <sched.h>
+# include <unistd.h>
+
+int
+main(void)
+{
+	struct timespec *const tp = tail_alloc(sizeof(struct timespec));
+	long rc = syscall(__NR_sched_rr_get_interval, -1, tp);
+	printf("sched_rr_get_interval(-1, %p) = %ld %s (%m)\n",
+	       tp, rc, errno2name());
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_sched_rr_get_interval")
+
+#endif

tests/sched_rr_get_interval.test

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check sched_rr_get_interval syscall decoding.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a31