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/**
* probe.c -
*
* $Author$
*
* Based on the patch for Ruby 1.8.6 by Joyent Inc.
*
* Copyright 2007 Joyent Inc.
* Copyright 2009 Yuki Sonoda (Yugui).
*/
#include "ruby/ruby.h"
#define FIRE_WITH_SUFFIXED_MSG(probe_name, probe_data, suffix) \
if (TRACE_RUBY_PROBE_ENABLED()) { \
char *msg = ALLOCA_N(char, strlen(probe_name) + strlen("-" #suffix) ); \
sprintf(msg, "%s%s", probe_name, "-" #suffix); \
FIRE_RUBY_PROBE(msg, (char*)probe_data); \
}
static VALUE
probe_fire(int argc, VALUE *argv, VALUE klass)
{
int args;
VALUE name, data, ret;
const char *probe_data;
char *probe_name;
args = rb_scan_args(argc, argv, "11", &name, &data);
probe_data = args == 2 ? StringValuePtr(data) : "";
probe_name = StringValuePtr(name);
if (rb_block_given_p()) {
FIRE_WITH_SUFFIXED_MSG(probe_name, probe_data, start);
ret = rb_yield(Qnil);
FIRE_WITH_SUFFIXED_MSG(probe_name, probe_data, end);
} else {
if (TRACE_RUBY_PROBE_ENABLED())
FIRE_RUBY_PROBE(probe_name, (char*)probe_data);
ret = Qnil;
}
return ret;
}
void Init_probe()
{
rb_define_global_function("fire_probe", probe_fire, -1);
}
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