wrapped all pthread_rwlock_t in profilable rwlock_t

src/charon/credentials/credential_manager.c

@@ -15,13 +15,12 @@
  * $Id$
  */
 
-/* some clibs need it for rwlocks */
-#define _GNU_SOURCE
 #include <pthread.h>
 
 #include "credential_manager.h"
 
 #include <daemon.h>
+#include <utils/mutex.h>
 #include <utils/linked_list.h>
 #include <credentials/sets/cert_cache.h>
 #include <credentials/sets/auth_info_wrapper.h>
@@ -68,7 +67,7 @@ struct private_credential_manager_t {
 	/**
 	 * read-write lock to sets list
 	 */
-	pthread_rwlock_t lock;
+	rwlock_t *lock;
 };
 
 /** data to pass to create_private_enumerator */
@@ -170,7 +169,7 @@ static enumerator_t *create_sets_enumerator(private_credential_manager_t *this)
  */
 static void destroy_cert_data(cert_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -197,7 +196,7 @@ static enumerator_t *create_cert_enumerator(private_credential_manager_t *this,
 	data->id = id;
 	data->trusted = trusted;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_nested(create_sets_enumerator(this),
 									(void*)create_cert, data,
 									(void*)destroy_cert_data);
@@ -229,7 +228,7 @@ static certificate_t *get_cert(private_credential_manager_t *this,
  */
 static void destroy_cdp_data(cdp_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -251,7 +250,7 @@ static enumerator_t * create_cdp_enumerator(private_credential_manager_t *this,
 	data->type = type;
 	data->id = id;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_nested(create_sets_enumerator(this),
 									(void*)create_cdp, data,
 									(void*)destroy_cdp_data);
@@ -262,7 +261,7 @@ static enumerator_t * create_cdp_enumerator(private_credential_manager_t *this,
  */
 static void destroy_private_data(private_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -287,7 +286,7 @@ static enumerator_t* create_private_enumerator(
 	data->this = this;
 	data->type = key;
 	data->keyid = keyid;
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_nested(create_sets_enumerator(this),
 									(void*)create_private, data,
 									(void*)destroy_private_data);
@@ -316,7 +315,7 @@ static private_key_t *get_private_by_keyid(private_credential_manager_t *this,
  */
 static void destroy_shared_data(shared_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -341,7 +340,7 @@ static enumerator_t *create_shared_enumerator(private_credential_manager_t *this
 	data->me = me;
 	data->other = other;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_nested(create_sets_enumerator(this),
 									(void*)create_shared, data, 
 									(void*)destroy_shared_data);
@@ -412,7 +411,7 @@ static void cache_cert(private_credential_manager_t *this, certificate_t *cert)
 	credential_set_t *set;
 	enumerator_t *enumerator;
 	
-	if (pthread_rwlock_trywrlock(&this->lock) == 0)
+	if (this->lock->try_write_lock(this->lock))
 	{
 		enumerator = this->sets->create_enumerator(this->sets);
 		while (enumerator->enumerate(enumerator, &set))
@@ -423,10 +422,10 @@ static void cache_cert(private_credential_manager_t *this, certificate_t *cert)
 	}
 	else
 	{	/* we can't cache now as other threads are active, queue for later */
-		pthread_rwlock_rdlock(&this->lock);
+		this->lock->read_lock(this->lock);
 		this->cache_queue->insert_last(this->cache_queue, cert->get_ref(cert));
 	}
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -439,7 +438,7 @@ static void cache_queue(private_credential_manager_t *this)
 	enumerator_t *enumerator;
 	
 	if (this->cache_queue->get_count(this->cache_queue) > 0 &&
-		pthread_rwlock_trywrlock(&this->lock) == 0)
+		this->lock->try_write_lock(this->lock))
 	{
 		while (this->cache_queue->remove_last(this->cache_queue,
 											  (void**)&cert) == SUCCESS)
@@ -452,7 +451,7 @@ static void cache_queue(private_credential_manager_t *this)
 			enumerator->destroy(enumerator);
 			cert->destroy(cert);
 		}
-		pthread_rwlock_unlock(&this->lock);
+		this->lock->unlock(this->lock);
 	}
 }
 
@@ -1302,7 +1301,7 @@ static void public_destroy(public_enumerator_t *this)
 		remove_local_set(this->this, &this->wrapper->set);
 		this->wrapper->destroy(this->wrapper);
 	}
-	pthread_rwlock_unlock(&this->this->lock);
+	this->this->lock->unlock(this->this->lock);
 	
 	/* check for delayed certificate cache queue */
 	cache_queue(this->this);
@@ -1328,7 +1327,7 @@ static enumerator_t* create_public_enumerator(private_credential_manager_t *this
 		enumerator->wrapper = auth_info_wrapper_create(auth);
 		add_local_set(this, &enumerator->wrapper->set);
 	}
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return &enumerator->public;
 }
 
@@ -1525,9 +1524,9 @@ static void flush_cache(private_credential_manager_t *this,
 static void add_set(private_credential_manager_t *this,
 							   credential_set_t *set)
 {
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	this->sets->insert_last(this->sets, set);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -1535,9 +1534,9 @@ static void add_set(private_credential_manager_t *this,
  */
 static void remove_set(private_credential_manager_t *this, credential_set_t *set)
 {
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	this->sets->remove(this->sets, set, NULL);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -1551,7 +1550,7 @@ static void destroy(private_credential_manager_t *this)
 	this->sets->destroy(this->sets);
 	pthread_key_delete(this->local_sets);
 	this->cache->destroy(this->cache);
-	pthread_rwlock_destroy(&this->lock);
+	this->lock->destroy(this->lock);
 	free(this);
 }
 
@@ -1580,7 +1579,7 @@ credential_manager_t *credential_manager_create()
 	this->cache = cert_cache_create();
 	this->cache_queue = linked_list_create();
 	this->sets->insert_first(this->sets, this->cache);
-	pthread_rwlock_init(&this->lock, NULL);
+	this->lock = rwlock_create(RWLOCK_DEFAULT);
 	
 	return &this->public;
 }

src/charon/credentials/sets/cert_cache.c

@@ -15,12 +15,12 @@
  * $Id$
  */
 
-#define _GNU_SOURCE
-#include <pthread.h>
-
 #include "cert_cache.h"
 
+#include <time.h>
+
 #include <daemon.h>
+#include <utils/mutex.h>
 #include <utils/linked_list.h>
 
 #define CACHE_SIZE 30
@@ -56,7 +56,7 @@ struct private_cert_cache_t {
 	/**
 	 * read-write lock to sets list
 	 */
-	pthread_rwlock_t lock;
+	rwlock_t *lock;
 };
 
 /**
@@ -90,7 +90,7 @@ static void check_cache(private_cert_cache_t *this)
 	{
 		this->check_required = TRUE;
 	}
-	else if (pthread_rwlock_trywrlock(&this->lock) == 0)
+	else if (this->lock->try_write_lock(this->lock))
 	{	/* never blocks, only done if lock is available */
 		while (this->relations->get_count(this->relations) > CACHE_SIZE)
 		{
@@ -110,7 +110,7 @@ static void check_cache(private_cert_cache_t *this)
 			relation_destroy(oldest);
 		}
 		this->check_required = FALSE;
-		pthread_rwlock_unlock(&this->lock);
+		this->lock->unlock(this->lock);
 	}
 }
 
@@ -124,7 +124,7 @@ static bool issued_by(private_cert_cache_t *this,
 	enumerator_t *enumerator;
 	
 	/* lookup cache */
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	enumerator = this->relations->create_enumerator(this->relations);
 	while (enumerator->enumerate(enumerator, &current))
 	{
@@ -149,7 +149,7 @@ static bool issued_by(private_cert_cache_t *this,
 		}
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	if (found)
 	{
 		return TRUE;
@@ -233,7 +233,7 @@ static bool certs_filter(cert_data_t *data, relation_t **in, certificate_t **out
 static void certs_destroy(cert_data_t *data)
 {
 	ref_put(&data->this->enumerating);
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	if (data->this->check_required)
 	{
 		check_cache(data->this);
@@ -260,7 +260,7 @@ static enumerator_t *create_enumerator(private_cert_cache_t *this,
 	data->id = id;
 	data->this = this;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	ref_get(&this->enumerating);
 	return enumerator_create_filter(
 							this->relations->create_enumerator(this->relations),
@@ -275,7 +275,7 @@ static void flush(private_cert_cache_t *this, certificate_type_t type)
 	enumerator_t *enumerator;
 	relation_t *relation;
 	
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	enumerator = this->relations->create_enumerator(this->relations);
 	while (enumerator->enumerate(enumerator, &relation))
 	{
@@ -287,7 +287,7 @@ static void flush(private_cert_cache_t *this, certificate_type_t type)
 		}
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -296,7 +296,7 @@ static void flush(private_cert_cache_t *this, certificate_type_t type)
 static void destroy(private_cert_cache_t *this)
 {
 	this->relations->destroy_function(this->relations, (void*)relation_destroy);
-	pthread_rwlock_destroy(&this->lock);
+	this->lock->destroy(this->lock);
 	free(this);
 }
 
@@ -319,7 +319,7 @@ cert_cache_t *cert_cache_create()
 	this->relations = linked_list_create();
 	this->enumerating = 0;
 	this->check_required = FALSE;
-	pthread_rwlock_init(&this->lock, NULL);
+	this->lock = rwlock_create(RWLOCK_DEFAULT);
 	
 	return &this->public;
 }

src/charon/plugins/nm/nm_creds.c

@@ -15,12 +15,10 @@
  * $Id$
  */
 
-#define _GNU_SOURCE
-#include <pthread.h>
-
 #include "nm_creds.h"
 
 #include <daemon.h>
+#include <utils/mutex.h>
 
 typedef struct private_nm_creds_t private_nm_creds_t;
 
@@ -62,7 +60,7 @@ struct private_nm_creds_t {
 	/**
 	 * read/write lock
 	 */
-	pthread_rwlock_t lock;
+	rwlock_t *lock;
 };
 
 /**
@@ -91,10 +89,10 @@ static enumerator_t *create_usercert_enumerator(private_nm_creds_t *this,
 		}
 		public->destroy(public);
 	}
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_cleaner(
 								enumerator_create_single(this->usercert, NULL),
-								(void*)pthread_rwlock_unlock, &this->lock);
+								(void*)this->lock->unlock, this->lock);
 }
 
 /**
@@ -138,9 +136,9 @@ static enumerator_t* create_cert_enumerator(private_nm_creds_t *this,
 		}
 		public->destroy(public);
 	}
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_cleaner(enumerator_create_single(this->cert, NULL),
-									 (void*)pthread_rwlock_unlock, &this->lock);
+									 (void*)this->lock->unlock, this->lock);
 }
 
 /**
@@ -167,9 +165,9 @@ static enumerator_t* create_private_enumerator(private_nm_creds_t *this,
 			return NULL;
 		}
 	}
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_cleaner(enumerator_create_single(this->key, NULL),
-									 (void*)pthread_rwlock_unlock, &this->lock);
+									 (void*)this->lock->unlock, this->lock);
 }
 
 /**
@@ -205,7 +203,8 @@ static bool shared_enumerate(shared_enumerator_t *this, shared_key_t **key,
 static void shared_destroy(shared_enumerator_t *this)
 {
 	this->key->destroy(this->key);
-	pthread_rwlock_unlock(&this->this->lock);
+	this->lock->destroy(this->lock);
+	this->this->lock->unlock(this->this->lock);
 	free(this);
 }
 /**
@@ -235,7 +234,7 @@ static enumerator_t* create_shared_enumerator(private_nm_creds_t *this,
 	enumerator->public.destroy = (void*)shared_destroy;
 	enumerator->this = this;
 	enumerator->done = FALSE;
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	enumerator->key = shared_key_create(type,
 										chunk_clone(chunk_create(this->pass,
 													strlen(this->pass))));
@@ -247,10 +246,10 @@ static enumerator_t* create_shared_enumerator(private_nm_creds_t *this,
  */
 static void set_certificate(private_nm_creds_t *this, certificate_t *cert)
 {
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	DESTROY_IF(this->cert);
 	this->cert = cert;
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -259,14 +258,14 @@ static void set_certificate(private_nm_creds_t *this, certificate_t *cert)
 static void set_username_password(private_nm_creds_t *this, identification_t *id,
 						 char *password)
 {
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	DESTROY_IF(this->user);
 	/* for EAP authentication, we use always use ID_EAP type */
 	this->user = identification_create_from_encoding(ID_EAP,
 													 id->get_encoding(id));
 	free(this->pass);
 	this->pass = password ? strdup(password) : NULL;
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -275,12 +274,12 @@ static void set_username_password(private_nm_creds_t *this, identification_t *id
 static void set_cert_and_key(private_nm_creds_t *this, certificate_t *cert,	
 							 private_key_t *key)
 {
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	DESTROY_IF(this->key);
 	DESTROY_IF(this->usercert);
 	this->key = key;
 	this->usercert = cert;
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }	
 
 /**
@@ -306,7 +305,7 @@ static void clear(private_nm_creds_t *this)
 static void destroy(private_nm_creds_t *this)
 {
 	clear(this);
-	pthread_rwlock_destroy(&this->lock);
+	this->lock->destroy(this->lock);
 	free(this);
 }
 
@@ -328,7 +327,7 @@ nm_creds_t *nm_creds_create()
 	this->public.clear = (void(*)(nm_creds_t*))clear;
 	this->public.destroy = (void(*)(nm_creds_t*))destroy;
 	
-	pthread_rwlock_init(&this->lock, NULL);
+	this->lock = rwlock_create(RWLOCK_DEFAULT);
 	
 	this->cert = NULL;
 	this->user = NULL;

src/charon/plugins/stroke/stroke_ca.c

@@ -16,12 +16,10 @@
  * $Id$
  */
 
-#define _GNU_SOURCE
-#include <pthread.h>
-
 #include "stroke_ca.h"
 #include "stroke_cred.h"
 
+#include <utils/mutex.h>
 #include <utils/linked_list.h>
 #include <crypto/hashers/hasher.h>
 
@@ -42,7 +40,7 @@ struct private_stroke_ca_t {
 	/**
 	 * read-write lock to lists
 	 */
-	pthread_rwlock_t lock;
+	rwlock_t *lock;
 	
 	/**
 	 * list of starters CA sections and its certificates (ca_section_t)
@@ -136,7 +134,7 @@ typedef struct {
  */
 static void cdp_data_destroy(cdp_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -236,7 +234,7 @@ static enumerator_t *create_cdp_enumerator(private_stroke_ca_t *this,
 	data->type = type;
 	data->id = id;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_nested(this->sections->create_enumerator(this->sections),
 			(type == CERT_X509) ? (void*)create_inner_cdp_hashandurl : (void*)create_inner_cdp,
 			data, (void*)cdp_data_destroy);
@@ -278,9 +276,9 @@ static void add(private_stroke_ca_t *this, stroke_msg_t *msg)
 		{
 			ca->certuribase = strdup(msg->add_ca.certuribase);
 		}
-		pthread_rwlock_wrlock(&this->lock);
+		this->lock->write_lock(this->lock);
 		this->sections->insert_last(this->sections, ca);
-		pthread_rwlock_unlock(&this->lock);
+		this->lock->unlock(this->lock);
 		DBG1(DBG_CFG, "added ca '%s'", msg->add_ca.name);
 	}
 }
@@ -293,7 +291,7 @@ static void del(private_stroke_ca_t *this, stroke_msg_t *msg)
 	enumerator_t *enumerator;
 	ca_section_t *ca = NULL;
 	
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	enumerator = this->sections->create_enumerator(this->sections);
 	while (enumerator->enumerate(enumerator, &ca))
 	{
@@ -305,7 +303,7 @@ static void del(private_stroke_ca_t *this, stroke_msg_t *msg)
 		ca = NULL;
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	if (ca == NULL)
 	{
 		DBG1(DBG_CFG, "no ca named '%s' found\n", msg->del_ca.name);
@@ -356,7 +354,7 @@ static void check_for_hash_and_url(private_stroke_ca_t *this, certificate_t* cer
 		return;
 	}
 	
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	enumerator = this->sections->create_enumerator(this->sections);
 	while (enumerator->enumerate(enumerator, (void**)&section))
 	{
@@ -372,7 +370,7 @@ static void check_for_hash_and_url(private_stroke_ca_t *this, certificate_t* cer
 		}
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	
 	hasher->destroy(hasher);
 }
@@ -386,7 +384,7 @@ static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out)
 	ca_section_t *section;
 	enumerator_t *enumerator;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	enumerator = this->sections->create_enumerator(this->sections);
 	while (enumerator->enumerate(enumerator, (void**)&section))
 	{
@@ -419,7 +417,7 @@ static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out)
 		}
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -428,7 +426,7 @@ static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out)
 static void destroy(private_stroke_ca_t *this)
 {
 	this->sections->destroy_function(this->sections, (void*)ca_section_destroy);
-	pthread_rwlock_destroy(&this->lock);
+	this->lock->destroy(this->lock);
 	free(this);
 }
 
@@ -451,7 +449,7 @@ stroke_ca_t *stroke_ca_create(stroke_cred_t *cred)
 	this->public.destroy = (void(*)(stroke_ca_t*))destroy;
 	
 	this->sections = linked_list_create();
-	pthread_rwlock_init(&this->lock, NULL);
+	this->lock = rwlock_create(RWLOCK_DEFAULT);
 	this->cred = cred;
 	
 	return &this->public;

src/charon/plugins/stroke/stroke_cred.c

@@ -15,8 +15,6 @@
  * $Id$
  */
 
-#define _GNU_SOURCE
-#include <pthread.h>
 #include <sys/stat.h>
 #include <limits.h>
 
@@ -28,6 +26,7 @@
 #include <credentials/certificates/ac.h>
 #include <utils/linked_list.h>
 #include <utils/lexparser.h>
+#include <utils/mutex.h>
 #include <asn1/pem.h>
 #include <daemon.h>
 
@@ -73,7 +72,7 @@ struct private_stroke_cred_t {
 	/**
 	 * read-write lock to lists
 	 */
-	pthread_rwlock_t lock;
+	rwlock_t *lock;
 	
 	/**
 	 * cache CRLs to disk?
@@ -94,7 +93,7 @@ typedef struct {
  */
 static void id_data_destroy(id_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -140,7 +139,7 @@ static enumerator_t* create_private_enumerator(private_stroke_cred_t *this,
 	data->this = this;
 	data->id = id;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_filter(this->private->create_enumerator(this->private),
 									(void*)private_filter, data,
 									(void*)id_data_destroy);
@@ -241,7 +240,7 @@ static enumerator_t* create_cert_enumerator(private_stroke_cred_t *this,
 		data->this = this;
 		data->id = id;
 		
-		pthread_rwlock_rdlock(&this->lock);
+		this->lock->read_lock(this->lock);
 		return enumerator_create_filter(this->certs->create_enumerator(this->certs),
 					(cert == CERT_X509_CRL)? (void*)crl_filter : (void*)ac_filter,
 					data, (void*)id_data_destroy);
@@ -254,7 +253,7 @@ static enumerator_t* create_cert_enumerator(private_stroke_cred_t *this,
 	data->this = this;
 	data->id = id;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_filter(this->certs->create_enumerator(this->certs),
 									(void*)certs_filter, data,
 									(void*)id_data_destroy);
@@ -272,7 +271,7 @@ typedef struct {
  */
 static void shared_data_destroy(shared_data_t *data)
 {
-	pthread_rwlock_unlock(&data->this->lock);
+	data->this->lock->unlock(data->this->lock);
 	free(data);
 }
 
@@ -324,7 +323,7 @@ static enumerator_t* create_shared_enumerator(private_stroke_cred_t *this,
 	data->me = me;
 	data->other = other;
 	data->type = type;
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	return enumerator_create_filter(this->shared->create_enumerator(this->shared),
 									(void*)shared_filter, data,
 									(void*)shared_data_destroy);
@@ -339,7 +338,7 @@ static certificate_t* add_cert(private_stroke_cred_t *this, certificate_t *cert)
 	enumerator_t *enumerator;
 	bool new = TRUE;	
 
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	enumerator = this->certs->create_enumerator(this->certs);
 	while (enumerator->enumerate(enumerator, (void**)&current))
 	{
@@ -358,7 +357,7 @@ static certificate_t* add_cert(private_stroke_cred_t *this, certificate_t *cert)
 	{
 		this->certs->insert_last(this->certs, cert);
 	}
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	return cert;
 }
 	
@@ -400,7 +399,7 @@ static bool add_crl(private_stroke_cred_t *this, crl_t* crl)
 	enumerator_t *enumerator;
 	bool new = TRUE, found = FALSE;	
 
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	enumerator = this->certs->create_enumerator(this->certs);
 	while (enumerator->enumerate(enumerator, (void**)&current))
 	{
@@ -448,7 +447,7 @@ static bool add_crl(private_stroke_cred_t *this, crl_t* crl)
 	{
 		this->certs->insert_last(this->certs, cert);
 	}
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	return new;
 }
 
@@ -459,9 +458,9 @@ static bool add_ac(private_stroke_cred_t *this, ac_t* ac)
 {
 	certificate_t *cert = &ac->certificate;
 
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	this->certs->insert_last(this->certs, cert);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	return TRUE;
 }
 
@@ -698,7 +697,7 @@ static void load_secrets(private_stroke_cred_t *this)
 	fclose(fd);
 	src = chunk;
 
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	while (this->shared->remove_last(this->shared,
 		 								   (void**)&shared) == SUCCESS)
 	{
@@ -868,7 +867,7 @@ static void load_secrets(private_stroke_cred_t *this)
 		}
 	}
 error:
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	chunk_clear(&chunk);
 }
 
@@ -949,7 +948,7 @@ static void destroy(private_stroke_cred_t *this)
 	this->certs->destroy_offset(this->certs, offsetof(certificate_t, destroy));
 	this->shared->destroy_offset(this->shared, offsetof(shared_key_t, destroy));
 	this->private->destroy_offset(this->private, offsetof(private_key_t, destroy));
-	pthread_rwlock_destroy(&this->lock);
+	this->lock->destroy(this->lock);
 	free(this);
 }
 
@@ -974,7 +973,7 @@ stroke_cred_t *stroke_cred_create()
 	this->certs = linked_list_create();
 	this->shared = linked_list_create();
 	this->private = linked_list_create();
-	pthread_rwlock_init(&this->lock, NULL);
+	this->lock = rwlock_create(RWLOCK_DEFAULT);
 
 	load_certs(this);
 	load_secrets(this);

src/libstrongswan/fetcher/fetcher_manager.c

@@ -15,14 +15,11 @@
  * $Id$
  */
 
-#define _GNU_SOURCE
-#include <pthread.h>
-
 #include "fetcher_manager.h"
 
 #include <debug.h>
-#include <utils/linked_list.h>
 #include <utils/mutex.h>
+#include <utils/linked_list.h>
 
 typedef struct private_fetcher_manager_t private_fetcher_manager_t;
 
@@ -44,7 +41,7 @@ struct private_fetcher_manager_t {
 	/**
 	 * read write lock to list
 	 */
-	pthread_rwlock_t lock;
+	rwlock_t *lock;
 };
 
 typedef struct {
@@ -74,7 +71,7 @@ static status_t fetch(private_fetcher_manager_t *this,
 	entry_t *entry;
 	bool capable = FALSE;
 	
-	pthread_rwlock_rdlock(&this->lock);
+	this->lock->read_lock(this->lock);
 	enumerator = this->fetchers->create_enumerator(this->fetchers);
 	while (enumerator->enumerate(enumerator, &entry))
 	{
@@ -132,7 +129,7 @@ static status_t fetch(private_fetcher_manager_t *this,
 		break;
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 	if (!capable)
 	{
 		DBG1("unable to fetch from %s, no capable fetcher found", url);
@@ -151,9 +148,9 @@ static void add_fetcher(private_fetcher_manager_t *this,
 	entry->url = strdup(url);
 	entry->create = create;
 
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	this->fetchers->insert_last(this->fetchers, entry);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -165,7 +162,7 @@ static void remove_fetcher(private_fetcher_manager_t *this,
 	enumerator_t *enumerator;
 	entry_t *entry;
 	
-	pthread_rwlock_wrlock(&this->lock);
+	this->lock->write_lock(this->lock);
 	enumerator = this->fetchers->create_enumerator(this->fetchers);
 	while (enumerator->enumerate(enumerator, &entry))
 	{
@@ -176,7 +173,7 @@ static void remove_fetcher(private_fetcher_manager_t *this,
 		}
 	}
 	enumerator->destroy(enumerator);
-	pthread_rwlock_unlock(&this->lock);
+	this->lock->unlock(this->lock);
 }
 
 /**
@@ -185,7 +182,7 @@ static void remove_fetcher(private_fetcher_manager_t *this,
 static void destroy(private_fetcher_manager_t *this)
 {
 	this->fetchers->destroy_function(this->fetchers, (void*)entry_destroy);
-	pthread_rwlock_destroy(&this->lock);
+	this->lock->destroy(this->lock);
 	free(this);
 }
 
@@ -202,7 +199,7 @@ fetcher_manager_t *fetcher_manager_create()
 	this->public.destroy = (void(*)(fetcher_manager_t*))destroy;
 	
 	this->fetchers = linked_list_create();
-	pthread_rwlock_init(&this->lock, NULL);
+	this->lock = rwlock_create(RWLOCK_DEFAULT);
 	
 	return &this->public;
 }

src/libstrongswan/utils/mutex.c

@@ -15,17 +15,18 @@
  * $Id$
  */
 
-#include "mutex.h"
-
-#include <library.h>
-#include <debug.h>
-
+#define _GNU_SOURCE
 #include <pthread.h>
 #include <sys/time.h>
 #include <stdint.h>
 #include <time.h>
 #include <errno.h>
 
+#include "mutex.h"
+
+#include <library.h>
+#include <debug.h>
+
 typedef struct private_mutex_t private_mutex_t;
 typedef struct private_r_mutex_t private_r_mutex_t;
 typedef struct private_condvar_t private_condvar_t;
@@ -440,6 +441,14 @@ static void write_lock(private_rwlock_t *this)
 	profiler_end(&this->profile);
 }
 
+/**
+ * Implementation of rwlock_t.try_write_lock
+ */
+static bool try_write_lock(private_rwlock_t *this)
+{
+	return pthread_rwlock_trywrlock(&this->rwlock) == 0;
+}
+
 /**
  * Implementation of rwlock_t.unlock
  */
@@ -472,6 +481,7 @@ rwlock_t *rwlock_create(rwlock_type_t type)
 			
 			this->public.read_lock = (void(*)(rwlock_t*))read_lock;
 			this->public.write_lock = (void(*)(rwlock_t*))write_lock;
+			this->public.try_write_lock = (bool(*)(rwlock_t*))try_write_lock;
 			this->public.unlock = (void(*)(rwlock_t*))rw_unlock;
 			this->public.destroy = (void(*)(rwlock_t*))rw_destroy;
 			

src/libstrongswan/utils/mutex.h

@@ -129,6 +129,15 @@ struct rwlock_t {
 	 */
 	void (*write_lock)(rwlock_t *this);
 	
+	/**
+	 * Try to acquire the write lock.
+	 *
+	 * Never blocks, but returns FALSE if the lock was already occupied.
+	 *
+	 * @return		TRUE if lock acquired
+	 */
+	bool (*try_write_lock)(rwlock_t *this);	
+	
 	/**
 	 * Release any acquired lock.
 	 */