diff options
Diffstat (limited to 'external/unbound/util/locks.h')
| -rw-r--r-- | external/unbound/util/locks.h | 91 |
1 files changed, 54 insertions, 37 deletions
diff --git a/external/unbound/util/locks.h b/external/unbound/util/locks.h index 3776912aa..d86ee4923 100644 --- a/external/unbound/util/locks.h +++ b/external/unbound/util/locks.h @@ -95,7 +95,7 @@ /******************* PTHREAD ************************/ /** use pthread mutex for basic lock */ -typedef pthread_mutex_t lock_basic_t; +typedef pthread_mutex_t lock_basic_type; /** small front for pthread init func, NULL is default attrs. */ #define lock_basic_init(lock) LOCKRET(pthread_mutex_init(lock, NULL)) #define lock_basic_destroy(lock) LOCKRET(pthread_mutex_destroy(lock)) @@ -104,7 +104,7 @@ typedef pthread_mutex_t lock_basic_t; #ifndef HAVE_PTHREAD_RWLOCK_T /** in case rwlocks are not supported, use a mutex. */ -typedef pthread_mutex_t lock_rw_t; +typedef pthread_mutex_t lock_rw_type; #define lock_rw_init(lock) LOCKRET(pthread_mutex_init(lock, NULL)) #define lock_rw_destroy(lock) LOCKRET(pthread_mutex_destroy(lock)) #define lock_rw_rdlock(lock) LOCKRET(pthread_mutex_lock(lock)) @@ -112,7 +112,7 @@ typedef pthread_mutex_t lock_rw_t; #define lock_rw_unlock(lock) LOCKRET(pthread_mutex_unlock(lock)) #else /* HAVE_PTHREAD_RWLOCK_T */ /** we use the pthread rwlock */ -typedef pthread_rwlock_t lock_rw_t; +typedef pthread_rwlock_t lock_rw_type; /** small front for pthread init func, NULL is default attrs. */ #define lock_rw_init(lock) LOCKRET(pthread_rwlock_init(lock, NULL)) #define lock_rw_destroy(lock) LOCKRET(pthread_rwlock_destroy(lock)) @@ -123,7 +123,7 @@ typedef pthread_rwlock_t lock_rw_t; #ifndef HAVE_PTHREAD_SPINLOCK_T /** in case spinlocks are not supported, use a mutex. */ -typedef pthread_mutex_t lock_quick_t; +typedef pthread_mutex_t lock_quick_type; /** small front for pthread init func, NULL is default attrs. */ #define lock_quick_init(lock) LOCKRET(pthread_mutex_init(lock, NULL)) #define lock_quick_destroy(lock) LOCKRET(pthread_mutex_destroy(lock)) @@ -132,7 +132,7 @@ typedef pthread_mutex_t lock_quick_t; #else /* HAVE_PTHREAD_SPINLOCK_T */ /** use pthread spinlock for the quick lock */ -typedef pthread_spinlock_t lock_quick_t; +typedef pthread_spinlock_t lock_quick_type; /** * allocate process private since this is available whether * Thread Process-Shared Synchronization is supported or not. @@ -148,14 +148,31 @@ typedef pthread_spinlock_t lock_quick_t; #endif /* HAVE SPINLOCK */ /** Thread creation */ -typedef pthread_t ub_thread_t; -/** Pass where to store tread_t in thr. Use default NULL attributes. */ -#define ub_thread_create(thr, func, arg) LOCKRET(pthread_create(thr, NULL, func, arg)) +typedef pthread_t ub_thread_type; +/** On alpine linux default thread stack size is 80 Kb. See +http://wiki.musl-libc.org/wiki/Functional_differences_from_glibc#Thread_stack_size +This is not enough and cause segfault. Other linux distros have 2 Mb at least. +Wrapper for set up thread stack size */ +#define PTHREADSTACKSIZE 2*1024*1024 +#define PTHREADCREATE(thr, stackrequired, func, arg) do {\ + pthread_attr_t attr; \ + size_t stacksize; \ + LOCKRET(pthread_attr_init(&attr)); \ + LOCKRET(pthread_attr_getstacksize(&attr, &stacksize)); \ + if (stacksize < stackrequired) { \ + LOCKRET(pthread_attr_setstacksize(&attr, stackrequired)); \ + LOCKRET(pthread_create(thr, &attr, func, arg)); \ + LOCKRET(pthread_attr_getstacksize(&attr, &stacksize)); \ + verbose(VERB_ALGO, "Thread stack size set to %u", (unsigned)stacksize); \ + } else {LOCKRET(pthread_create(thr, NULL, func, arg));} \ + } while(0) +/** Use wrapper for set thread stack size on attributes. */ +#define ub_thread_create(thr, func, arg) PTHREADCREATE(thr, PTHREADSTACKSIZE, func, arg) /** get self id. */ #define ub_thread_self() pthread_self() /** wait for another thread to terminate */ #define ub_thread_join(thread) LOCKRET(pthread_join(thread, NULL)) -typedef pthread_key_t ub_thread_key_t; +typedef pthread_key_t ub_thread_key_type; #define ub_thread_key_create(key, f) LOCKRET(pthread_key_create(key, f)) #define ub_thread_key_set(key, v) LOCKRET(pthread_setspecific(key, v)) #define ub_thread_key_get(key) pthread_getspecific(key) @@ -167,7 +184,7 @@ typedef pthread_key_t ub_thread_key_t; #include <synch.h> #include <thread.h> -typedef rwlock_t lock_rw_t; +typedef rwlock_t lock_rw_type; #define lock_rw_init(lock) LOCKRET(rwlock_init(lock, USYNC_THREAD, NULL)) #define lock_rw_destroy(lock) LOCKRET(rwlock_destroy(lock)) #define lock_rw_rdlock(lock) LOCKRET(rw_rdlock(lock)) @@ -175,28 +192,28 @@ typedef rwlock_t lock_rw_t; #define lock_rw_unlock(lock) LOCKRET(rw_unlock(lock)) /** use basic mutex */ -typedef mutex_t lock_basic_t; +typedef mutex_t lock_basic_type; #define lock_basic_init(lock) LOCKRET(mutex_init(lock, USYNC_THREAD, NULL)) #define lock_basic_destroy(lock) LOCKRET(mutex_destroy(lock)) #define lock_basic_lock(lock) LOCKRET(mutex_lock(lock)) #define lock_basic_unlock(lock) LOCKRET(mutex_unlock(lock)) /** No spinlocks in solaris threads API. Use a mutex. */ -typedef mutex_t lock_quick_t; +typedef mutex_t lock_quick_type; #define lock_quick_init(lock) LOCKRET(mutex_init(lock, USYNC_THREAD, NULL)) #define lock_quick_destroy(lock) LOCKRET(mutex_destroy(lock)) #define lock_quick_lock(lock) LOCKRET(mutex_lock(lock)) #define lock_quick_unlock(lock) LOCKRET(mutex_unlock(lock)) /** Thread creation, create a default thread. */ -typedef thread_t ub_thread_t; +typedef thread_t ub_thread_type; #define ub_thread_create(thr, func, arg) LOCKRET(thr_create(NULL, NULL, func, arg, NULL, thr)) #define ub_thread_self() thr_self() #define ub_thread_join(thread) LOCKRET(thr_join(thread, NULL, NULL)) -typedef thread_key_t ub_thread_key_t; +typedef thread_key_t ub_thread_key_type; #define ub_thread_key_create(key, f) LOCKRET(thr_keycreate(key, f)) #define ub_thread_key_set(key, v) LOCKRET(thr_setspecific(key, v)) -void* ub_thread_key_get(ub_thread_key_t key); +void* ub_thread_key_get(ub_thread_key_type key); #else /* we do not HAVE_SOLARIS_THREADS and no PTHREADS */ @@ -205,7 +222,7 @@ void* ub_thread_key_get(ub_thread_key_t key); #include <windows.h> /* Use a mutex */ -typedef LONG lock_rw_t; +typedef LONG lock_rw_type; #define lock_rw_init(lock) lock_basic_init(lock) #define lock_rw_destroy(lock) lock_basic_destroy(lock) #define lock_rw_rdlock(lock) lock_basic_lock(lock) @@ -213,35 +230,35 @@ typedef LONG lock_rw_t; #define lock_rw_unlock(lock) lock_basic_unlock(lock) /** the basic lock is a mutex, implemented opaquely, for error handling. */ -typedef LONG lock_basic_t; -void lock_basic_init(lock_basic_t* lock); -void lock_basic_destroy(lock_basic_t* lock); -void lock_basic_lock(lock_basic_t* lock); -void lock_basic_unlock(lock_basic_t* lock); +typedef LONG lock_basic_type; +void lock_basic_init(lock_basic_type* lock); +void lock_basic_destroy(lock_basic_type* lock); +void lock_basic_lock(lock_basic_type* lock); +void lock_basic_unlock(lock_basic_type* lock); /** on windows no spinlock, use mutex too. */ -typedef LONG lock_quick_t; +typedef LONG lock_quick_type; #define lock_quick_init(lock) lock_basic_init(lock) #define lock_quick_destroy(lock) lock_basic_destroy(lock) #define lock_quick_lock(lock) lock_basic_lock(lock) #define lock_quick_unlock(lock) lock_basic_unlock(lock) /** Thread creation, create a default thread. */ -typedef HANDLE ub_thread_t; -void ub_thread_create(ub_thread_t* thr, void* (*func)(void*), void* arg); -ub_thread_t ub_thread_self(void); -void ub_thread_join(ub_thread_t thr); -typedef DWORD ub_thread_key_t; -void ub_thread_key_create(ub_thread_key_t* key, void* f); -void ub_thread_key_set(ub_thread_key_t key, void* v); -void* ub_thread_key_get(ub_thread_key_t key); +typedef HANDLE ub_thread_type; +void ub_thread_create(ub_thread_type* thr, void* (*func)(void*), void* arg); +ub_thread_type ub_thread_self(void); +void ub_thread_join(ub_thread_type thr); +typedef DWORD ub_thread_key_type; +void ub_thread_key_create(ub_thread_key_type* key, void* f); +void ub_thread_key_set(ub_thread_key_type key, void* v); +void* ub_thread_key_get(ub_thread_key_type key); #else /* we do not HAVE_SOLARIS_THREADS, PTHREADS or WINDOWS_THREADS */ /******************* NO THREADS ************************/ #define THREADS_DISABLED 1 /** In case there is no thread support, define locks to do nothing */ -typedef int lock_rw_t; +typedef int lock_rw_type; #define lock_rw_init(lock) /* nop */ #define lock_rw_destroy(lock) /* nop */ #define lock_rw_rdlock(lock) /* nop */ @@ -249,30 +266,30 @@ typedef int lock_rw_t; #define lock_rw_unlock(lock) /* nop */ /** define locks to do nothing */ -typedef int lock_basic_t; +typedef int lock_basic_type; #define lock_basic_init(lock) /* nop */ #define lock_basic_destroy(lock) /* nop */ #define lock_basic_lock(lock) /* nop */ #define lock_basic_unlock(lock) /* nop */ /** define locks to do nothing */ -typedef int lock_quick_t; +typedef int lock_quick_type; #define lock_quick_init(lock) /* nop */ #define lock_quick_destroy(lock) /* nop */ #define lock_quick_lock(lock) /* nop */ #define lock_quick_unlock(lock) /* nop */ /** Thread creation, threads do not exist */ -typedef pid_t ub_thread_t; +typedef pid_t ub_thread_type; /** ub_thread_create is simulated with fork (extremely heavy threads, * with no shared memory). */ #define ub_thread_create(thr, func, arg) \ ub_thr_fork_create(thr, func, arg) #define ub_thread_self() getpid() #define ub_thread_join(thread) ub_thr_fork_wait(thread) -void ub_thr_fork_wait(ub_thread_t thread); -void ub_thr_fork_create(ub_thread_t* thr, void* (*func)(void*), void* arg); -typedef void* ub_thread_key_t; +void ub_thr_fork_wait(ub_thread_type thread); +void ub_thr_fork_create(ub_thread_type* thr, void* (*func)(void*), void* arg); +typedef void* ub_thread_key_type; #define ub_thread_key_create(key, f) (*(key)) = NULL #define ub_thread_key_set(key, v) (key) = (v) #define ub_thread_key_get(key) (key) |