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Merge branch 'master' into dev
[lttng-ust.git]
/
liblttng-ust
/
lttng-context-vtid.c
diff --git
a/liblttng-ust/lttng-context-vtid.c
b/liblttng-ust/lttng-context-vtid.c
index 3fe86405c112307a47e6c1abe0a9c62fe8b2175b..c419d18b3ede7db666d2c5ea3cada82df6dafcbd 100644
(file)
--- a/
liblttng-ust/lttng-context-vtid.c
+++ b/
liblttng-ust/lttng-context-vtid.c
@@
-13,6
+13,7
@@
#include <lttng/ust-tracer.h>
#include <lttng/ringbuffer-config.h>
#include <lttng/ust-tid.h>
#include <lttng/ust-tracer.h>
#include <lttng/ringbuffer-config.h>
#include <lttng/ust-tid.h>
+#include "ltt-tracer-core.h"
/*
* We cache the result to ensure we don't trigger a system call for
/*
* We cache the result to ensure we don't trigger a system call for
@@
-74,3
+75,11
@@
int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx)
field->record = vtid_record;
return 0;
}
field->record = vtid_record;
return 0;
}
+
+/*
+ * Force a read (imply TLS fixup for dlopen) of TLS variables.
+ */
+void lttng_fixup_vtid_tls(void)
+{
+ asm volatile ("" : : "m" (cached_vtid));
+}
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