26 #ifndef _EVENT2_THREAD_H_ 27 #define _EVENT2_THREAD_H_ 53 #include <event2/event-config.h> 62 #define EVTHREAD_WRITE 0x04 65 #define EVTHREAD_READ 0x08 69 #define EVTHREAD_TRY 0x10 72 #if !defined(_EVENT_DISABLE_THREAD_SUPPORT) || defined(_EVENT_IN_DOXYGEN) 74 #define EVTHREAD_LOCK_API_VERSION 1 83 #define EVTHREAD_LOCKTYPE_RECURSIVE 1 86 #define EVTHREAD_LOCKTYPE_READWRITE 2 107 void *(*alloc)(
unsigned locktype);
113 int (*lock)(
unsigned mode,
void *
lock);
129 #define EVTHREAD_CONDITION_API_VERSION 1 145 void *(*alloc_condition)(
unsigned condtype);
147 void (*free_condition)(
void *cond);
154 int (*signal_condition)(
void *cond,
int broadcast);
165 int (*wait_condition)(
void *cond,
void *
lock,
166 const struct timeval *timeout);
188 unsigned long (*id_fn)(
void));
190 #if (defined(WIN32) && !defined(_EVENT_DISABLE_THREAD_SUPPORT)) || defined(_EVENT_IN_DOXYGEN) 199 #define EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED 1 202 #if defined(_EVENT_HAVE_PTHREADS) || defined(_EVENT_IN_DOXYGEN) 210 #define EVTHREAD_USE_PTHREADS_IMPLEMENTED 1 int evthread_set_lock_callbacks(const struct evthread_lock_callbacks *)
Sets a group of functions that Libevent should use for locking.
This structure describes the interface a threading library uses for condition variables.
Definition: thread.h:137
int evthread_set_condition_callbacks(const struct evthread_condition_callbacks *)
Sets a group of functions that Libevent should use for condition variables.
int evthread_use_windows_threads(void)
Sets up Libevent for use with Windows builtin locking and thread ID functions.
int(* lock)(unsigned mode, void *lock)
Acquire an already-allocated lock at 'lock' with mode 'mode'.
Definition: thread.h:113
void evthread_set_id_callback(unsigned long(*id_fn)(void))
Sets the function for determining the thread id.
int lock_api_version
The current version of the locking API.
Definition: thread.h:96
int condition_api_version
The current version of the conditions API.
Definition: thread.h:140
int evthread_make_base_notifiable(struct event_base *base)
Make sure it's safe to tell an event base to wake up from another thread or a signal handler...
void(* free)(void *lock, unsigned locktype)
Funtion to release all storage held in 'lock', which was created with type 'locktype'.
Definition: thread.h:110
int(* unlock)(unsigned mode, void *lock)
Release a lock at 'lock' using mode 'mode'.
Definition: thread.h:116
This structure describes the interface a threading library uses for locking.
Definition: thread.h:93
int evthread_use_pthreads(void)
Sets up Libevent for use with Pthreads locking and thread ID functions.
void evthread_enable_lock_debuging(void)
Enable debugging wrappers around the current lock callbacks.
unsigned supported_locktypes
Which kinds of locks does this version of the locking API support? A bitfield of EVTHREAD_LOCKTYPE_RE...
Definition: thread.h:104
Structure to hold information and state for a Libevent dispatch loop.
Definition: event.h:213