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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /tools/perf/util/rwsem.c
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/rwsem.c')
-rw-r--r--tools/perf/util/rwsem.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/util/rwsem.c b/tools/perf/util/rwsem.c
index f3d29d8ddc..5109167f27 100644
--- a/tools/perf/util/rwsem.c
+++ b/tools/perf/util/rwsem.c
@@ -2,32 +2,66 @@
#include "util.h"
#include "rwsem.h"
+#if RWS_ERRORCHECK
+#include "mutex.h"
+#endif
+
int init_rwsem(struct rw_semaphore *sem)
{
+#if RWS_ERRORCHECK
+ mutex_init(&sem->mtx);
+ return 0;
+#else
return pthread_rwlock_init(&sem->lock, NULL);
+#endif
}
int exit_rwsem(struct rw_semaphore *sem)
{
+#if RWS_ERRORCHECK
+ mutex_destroy(&sem->mtx);
+ return 0;
+#else
return pthread_rwlock_destroy(&sem->lock);
+#endif
}
int down_read(struct rw_semaphore *sem)
{
+#if RWS_ERRORCHECK
+ mutex_lock(&sem->mtx);
+ return 0;
+#else
return perf_singlethreaded ? 0 : pthread_rwlock_rdlock(&sem->lock);
+#endif
}
int up_read(struct rw_semaphore *sem)
{
+#if RWS_ERRORCHECK
+ mutex_unlock(&sem->mtx);
+ return 0;
+#else
return perf_singlethreaded ? 0 : pthread_rwlock_unlock(&sem->lock);
+#endif
}
int down_write(struct rw_semaphore *sem)
{
+#if RWS_ERRORCHECK
+ mutex_lock(&sem->mtx);
+ return 0;
+#else
return perf_singlethreaded ? 0 : pthread_rwlock_wrlock(&sem->lock);
+#endif
}
int up_write(struct rw_semaphore *sem)
{
+#if RWS_ERRORCHECK
+ mutex_unlock(&sem->mtx);
+ return 0;
+#else
return perf_singlethreaded ? 0 : pthread_rwlock_unlock(&sem->lock);
+#endif
}