[llvm-commits] [llvm] r157450 - /llvm/trunk/runtime/libprofile/GCDAProfiling.c

[Bill Wendling]

Author: void
Date: Thu May 24 19:55:38 2012
New Revision: 157450

URL: http://llvm.org/viewvc/llvm-project?rev=157450&view=rev
Log:
Don't call exit from a runtime.

Modified:
    llvm/trunk/runtime/libprofile/GCDAProfiling.c

Modified: llvm/trunk/runtime/libprofile/GCDAProfiling.c
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/runtime/libprofile/GCDAProfiling.c?rev=157450&r1=157449&r2=157450&view=diff
==============================================================================
--- llvm/trunk/runtime/libprofile/GCDAProfiling.c (original)
+++ llvm/trunk/runtime/libprofile/GCDAProfiling.c Thu May 24 19:55:38 2012
@@ -121,7 +121,7 @@
       fprintf(stderr, "LLVM profiling runtime: while opening '%s': ",
               cptr ? cptr + 1 : orig_filename);
       perror("");
-      exit(1);
+      return;
     }
   }
 
@@ -167,6 +167,7 @@
 #ifdef DEBUG_GCDAPROFILING
   printf("llvmgcda: function id=%x\n", ident);
 #endif
+  if (!output_file) return;
 
   /* function tag */  
   fwrite("\0\0\0\1", 4, 1, output_file);
@@ -179,7 +180,9 @@
 
 void llvm_gcda_emit_arcs(uint32_t num_counters, uint64_t *counters) {
   uint32_t i;
-  /* counter #1 (arcs) tag */
+
+  /* Counter #1 (arcs) tag */
+  if (!output_file) return;
   fwrite("\0\0\xa1\1", 4, 1, output_file);
   write_int32(num_counters * 2);
   for (i = 0; i < num_counters; ++i) {
@@ -196,6 +199,7 @@
 
 void llvm_gcda_end_file() {
   /* Write out EOF record. */
+  if (!output_file) return;
   fwrite("\0\0\0\0\0\0\0\0", 8, 1, output_file);
   fclose(output_file);
   output_file = NULL;