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* Release GVL while OpenSSL's public key generation.

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t = Thread.new { print "."; sleep 0.1 }
    key = OpenSSL::PKey::RSA.new(2048)
    #=> Thread t works in parallel with public key generation if
        OS/machine allows it.

  This works with OpenSSL >= 0.9.8. From this version, it has new 
  public key generation function which allows us to interrupt the
  execution while pkey generation iterations.

* ext/openssl/extconf.rb: Check existence of OpenSSL's new public key
  generation function. (DH_generate_parameters_ex,
  DSA_generate_parameters_ex and RSA_generate_key_ex.

* ext/openssl/ossl_pkey.{h,c} (ossl_generate_cb_2,
  ossl_generate_cb_stop): Added new callback function for OpenSSL pkey
  generation which handles Thread interruption by Ruby.
  ossl_generate_cb_stop is the unblock function(ubf) for Ruby which
  sets a stop flag. New pkey generation callback ossl_generate_cb_2
  checks the stop flag at each iterations of OpenSSL and interrupts
  pkey generation when the flag is set.

* ext/openssl/ossl_pkey_dsa.c (dsa_generate): Call
  rb_thread_blocking_region with the above unblock function to release
  GVL while pkey generation.

* ext/openssl/ossl_pkey_rsa.c (rsa_generate): ditto.

* ext/openssl/ossl_pkey_dh.c (dh_generate): ditto.

* test/openssl/test_pkey_{dh,dsa,rsa}.rb: Test it.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33155 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nahi 2011-09-01 07:42:29 +00:00
parent ca3b4133fd
commit d3507e3ea6
10 changed files with 284 additions and 10 deletions
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36
ext/openssl/ossl_pkey.c
View file

@ -33,6 +33,42 @@ ossl_generate_cb(int p, int n, void *arg)
rb_yield(ary);
}
#if HAVE_BN_GENCB
/* OpenSSL 2nd version of GN generation callback */
int
ossl_generate_cb_2(int p, int n, BN_GENCB *cb)
{
VALUE ary, ret;
struct ossl_generate_cb_arg *arg;
int state;
arg = (struct ossl_generate_cb_arg *)cb->arg;
if (arg->yield) {
ary = rb_ary_new2(2);
rb_ary_store(ary, 0, INT2NUM(p));
rb_ary_store(ary, 1, INT2NUM(n));
/*
* can be break by raising exception or 'break'
*/
ret = rb_protect(rb_yield, ary, &state);
if (state) {
arg->stop = 1;
arg->state = state;
}
}
if (arg->stop) return 0;
return 1;
}
void
ossl_generate_cb_stop(void *ptr)
{
struct ossl_generate_cb_arg *arg = (struct ossl_generate_cb_arg *)ptr;
arg->stop = 1;
}
#endif
/*
* Public
*/