From: Sebastian Harl <sh@tokkee.org>
Date: Mon, 30 May 2016 18:54:42 +0000 (+0200)
Subject: Merge pull request #1710 from rpv-tomsk/perl-plugin-fixes
X-Git-Tag: collectd-5.6.0~291
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=b81104a423234c04f0eb4ace0ec5e93a363c917a;p=collectd.git

Merge pull request #1710 from rpv-tomsk/perl-plugin-fixes

perl plugin: Synchronize access to thread information.

Cf. #1706
---

b81104a423234c04f0eb4ace0ec5e93a363c917a
diff --cc src/perl.c
index 92a162bd,5e03e3a5..f90761a5
--- a/src/perl.c
+++ b/src/perl.c
@@@ -2249,10 -2317,12 +2311,12 @@@ static int init_pi (int argc, char **ar
  #endif
  	PERL_SYS_INIT3 (&argc, &argv, &environ);
  
 -	perl_threads = (c_ithread_list_t *)smalloc (sizeof (c_ithread_list_t));
 +	perl_threads = smalloc (sizeof (*perl_threads));
  	memset (perl_threads, 0, sizeof (c_ithread_list_t));
  
- 	pthread_mutex_init (&perl_threads->mutex, NULL);
+ 	pthread_mutexattr_init(&perl_threads->mutexattr);
+ 	pthread_mutexattr_settype(&perl_threads->mutexattr, PTHREAD_MUTEX_RECURSIVE);
+ 	pthread_mutex_init (&perl_threads->mutex, &perl_threads->mutexattr);
  	/* locking the mutex should not be necessary at this point
  	 * but let's just do it for the sake of completeness */
  	pthread_mutex_lock (&perl_threads->mutex);