[sanitizers] introduce __sanitizer_set_report_fd so that we can re-route the sanitizer logging to another fd from inside the process

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@271046 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/sanitizer_common/sanitizer_common.cc b/lib/sanitizer_common/sanitizer_common.cc
index fda143e63..e8e75dca8 100644
--- a/lib/sanitizer_common/sanitizer_common.cc
+++ b/lib/sanitizer_common/sanitizer_common.cc
@@ -496,6 +496,11 @@ void __sanitizer_set_report_path(const char *path) {
   report_file.SetReportPath(path);
 }
 
+void __sanitizer_set_report_fd(void *fd) {
+  report_file.fd = reinterpret_cast<uptr>(fd);
+  report_file.fd_pid = internal_getpid();
+}
+
 void __sanitizer_report_error_summary(const char *error_summary) {
   Printf("%s\n", error_summary);
 }