diff options
Diffstat (limited to 'translate.cxx')
| -rw-r--r-- | translate.cxx | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/translate.cxx b/translate.cxx index e656c5ee..b7c21032 100644 --- a/translate.cxx +++ b/translate.cxx @@ -845,6 +845,7 @@ c_unparser::emit_common_header () ostringstream oss; oss << "c->statp = & time_" << dp->basest()->name << ";" << endl; // -t anti-dupe dp->body->print(oss); + oss << "# needs_global_locks: " << dp->needs_global_locks () << endl; if (tmp_probe_contents.count(oss.str()) == 0) // unique { @@ -1357,6 +1358,10 @@ c_unparser::emit_probe (derived_probe* v) v->body->print(oss); + // Since the generated C changes based on whether or not the probe + // needs locks around global variables, this needs to be reflected + // in the probe string. + oss << "# needs_global_locks: " << v->needs_global_locks () << endl; // If an identical probe has already been emitted, just call that // one. @@ -1415,8 +1420,11 @@ c_unparser::emit_probe (derived_probe* v) // emit all read/write locks for global variables varuse_collecting_visitor vut; - v->body->visit (& vut); - emit_locks (vut); + if (v->needs_global_locks ()) + { + v->body->visit (& vut); + emit_locks (vut); + } // initialize locals for (unsigned j=0; j<v->locals.size(); j++) @@ -1443,7 +1451,8 @@ c_unparser::emit_probe (derived_probe* v) // included a print/printf/etc. routine! o->newline(1) << "_stp_print_flush();"; - emit_unlocks (vut); + if (v->needs_global_locks ()) + emit_unlocks (vut); o->newline(-1) << "}\n"; } |