Build up signal handler message before writing

[folly.git] / folly / experimental / symbolizer / Symbolizer.h

diff --git a/folly/experimental/symbolizer/Symbolizer.h b/folly/experimental/symbolizer/Symbolizer.h
index 88619a99d032ba8d8a6a61c412e7bc28c1a6f886..d10ab8431babf16edaa6f085008342e7db51de8b 100644 (file)
--- a/folly/experimental/symbolizer/Symbolizer.h
+++ b/folly/experimental/symbolizer/Symbolizer.h
@@ -24,6 +24,7 @@
 #include "folly/FBString.h"
 #include "folly/Range.h"
 #include "folly/String.h"
+#include "folly/io/IOBuf.h"
 #include "folly/experimental/symbolizer/Elf.h"
 #include "folly/experimental/symbolizer/ElfCache.h"
 #include "folly/experimental/symbolizer/Dwarf.h"
@@ -173,6 +174,11 @@ class SymbolizePrinter {
                const SymbolizedFrame* frames,
                size_t frameCount);
 
+  /**
+   * Print a string, no endling newline.
+   */
+  void print(StringPiece sp) { doPrint(sp); }
+
   /**
    * Print multiple addresses on separate lines, skipping the first
    * skip addresses.
@@ -235,10 +241,15 @@ class OStreamSymbolizePrinter : public SymbolizePrinter {
  */
 class FDSymbolizePrinter : public SymbolizePrinter {
  public:
-  explicit FDSymbolizePrinter(int fd, int options=0);
+  explicit FDSymbolizePrinter(int fd, int options=0,
+                              size_t bufferSize=0);
+  ~FDSymbolizePrinter();
+  void flush();
  private:
   void doPrint(StringPiece sp) override;
+
   int fd_;
+  std::unique_ptr<IOBuf> buffer_;
 };
 
 /**