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-rw-r--r--executor/executor_linux.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/executor/executor_linux.h b/executor/executor_linux.h
index bd43f2a5b..7d2780c0f 100644
--- a/executor/executor_linux.h
+++ b/executor/executor_linux.h
@@ -147,6 +147,14 @@ static void cover_collect(cover_t* cov)
cov->size = *(uint32*)cov->data;
}
+static void cover_reserve_fd(cover_t* cov)
+{
+ int fd = open("/dev/null", O_RDONLY);
+ if (fd < 0)
+ fail("failed to open /dev/null");
+ dup2(fd, cov->fd);
+}
+
static bool use_cover_edges(uint32 pc)
{
return true;