* vm_trace.c (postponed_job): use preallocated buffer.

  Pre-allocate MAX_POSTPONED_JOB (1024) sized buffer
  and use it.
  If rb_postponed_job_register() cause overflow, simply it
  fails and returns 0.
  And maybe rb_postponed_job_register() is signal safe.
* vm_core.h: change data structure.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43234 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/vm_core.h b/vm_core.h
index 4c6e3c250c..8510e1688a 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -389,7 +389,9 @@ typedef struct rb_vm_struct {
     /* hook */
     rb_hook_list_t event_hooks;
 
-    struct rb_postponed_job_struct *postponed_job;
+    /* postponed_job */
+    struct rb_postponed_job_struct *postponed_job_buffer;
+    int postponed_job_index;
 
     int src_encoding_index;