X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_bp.c;h=d5653b05882e75a59cbfcf3e17a086afed802dda;hp=baf23dc8d70121b833d7cf63e1ac642ce36324c4;hb=31b598e0bb2fde285afa63986613e632e98b104d;hpb=94b343fd8d68512d78d8646c646c15a1b3f84186

diff --git a/tests/test_urcu_bp.c b/tests/test_urcu_bp.c
index baf23dc..d5653b0 100644
--- a/tests/test_urcu_bp.c
+++ b/tests/test_urcu_bp.c
@@ -21,6 +21,7 @@
  */
 
 #define _GNU_SOURCE
+#include "../config.h"
 #include <stdio.h>
 #include <pthread.h>
 #include <stdlib.h>
@@ -76,6 +77,9 @@ static unsigned long duration;
 /* read-side C.S. duration, in loops */
 static unsigned long rduration;
 
+/* write-side C.S. duration, in loops */
+static unsigned long wduration;
+
 static inline void loop_sleep(unsigned long l)
 {
 	while(l-- != 0)
@@ -96,6 +100,12 @@ static int use_affinity = 0;
 
 pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+#ifndef HAVE_CPU_SET_T
+typedef unsigned long cpu_set_t;
+# define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
+# define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
+#endif
+
 static void set_affinity(void)
 {
 	cpu_set_t mask;
@@ -105,6 +115,7 @@ static void set_affinity(void)
 	if (!use_affinity)
 		return;
 
+#if HAVE_SCHED_SETAFFINITY
 	ret = pthread_mutex_lock(&affinity_mutex);
 	if (ret) {
 		perror("Error in pthread mutex lock");
@@ -116,9 +127,15 @@ static void set_affinity(void)
 		perror("Error in pthread mutex unlock");
 		exit(-1);
 	}
+
 	CPU_ZERO(&mask);
 	CPU_SET(cpu, &mask);
+#if SCHED_SETAFFINITY_ARGS == 2
+	sched_setaffinity(0, &mask);
+#else
 	sched_setaffinity(0, sizeof(mask), &mask);
+#endif
+#endif /* HAVE_SCHED_SETAFFINITY */
 }
 
 /*
@@ -258,6 +275,8 @@ void *thr_writer(void *_count)
 		new = test_array_alloc();
 		new->a = 8;
 		old = rcu_xchg_pointer(&test_rcu_pointer, new);
+		if (unlikely(wduration))
+			loop_sleep(wduration);
 		synchronize_rcu();
 		if (old)
 			old->a = 0;
@@ -283,6 +302,7 @@ void show_usage(int argc, char **argv)
 #endif
 	printf(" [-d delay] (writer period (us))");
 	printf(" [-c duration] (reader C.S. duration (in loops))");
+	printf(" [-e duration] (writer C.S. duration (in loops))");
 	printf(" [-v] (verbose output)");
 	printf(" [-a cpu#] [-a cpu#]... (affinity)");
 	printf("\n");
@@ -356,6 +376,13 @@ int main(int argc, char **argv)
 			}
 			wdelay = atol(argv[++i]);
 			break;
+		case 'e':
+			if (argc < i + 2) {
+				show_usage(argc, argv);
+				return -1;
+			}
+			wduration = atol(argv[++i]);
+			break;
 		case 'v':
 			verbose_mode = 1;
 			break;