diff options
Diffstat (limited to 'libs/pbd3/pbd/ringbuffer.h')
| -rw-r--r-- | libs/pbd3/pbd/ringbuffer.h | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/libs/pbd3/pbd/ringbuffer.h b/libs/pbd3/pbd/ringbuffer.h index d276d19086..1d9c9b04e3 100644 --- a/libs/pbd3/pbd/ringbuffer.h +++ b/libs/pbd3/pbd/ringbuffer.h @@ -21,8 +21,9 @@ #ifndef ringbuffer_h #define ringbuffer_h -#include <sys/mman.h> -#include <pbd/atomic.h> +//#include <sys/mman.h> + +#include <glib.h> template<class T> class RingBuffer @@ -47,14 +48,14 @@ class RingBuffer void reset () { /* !!! NOT THREAD SAFE !!! */ - atomic_set (&write_ptr, 0); - atomic_set (&read_ptr, 0); + g_atomic_int_set (&write_ptr, 0); + g_atomic_int_set (&read_ptr, 0); } void set (size_t r, size_t w) { /* !!! NOT THREAD SAFE !!! */ - atomic_set (&write_ptr, w); - atomic_set (&read_ptr, r); + g_atomic_int_set (&write_ptr, w); + g_atomic_int_set (&read_ptr, r); } size_t read (T *dest, size_t cnt); @@ -69,22 +70,22 @@ class RingBuffer void get_write_vector (rw_vector *); void decrement_read_ptr (size_t cnt) { - atomic_set (&read_ptr, (atomic_read(&read_ptr) - cnt) & size_mask); + g_atomic_int_set (&read_ptr, (g_atomic_int_get(&read_ptr) - cnt) & size_mask); } void increment_read_ptr (size_t cnt) { - atomic_set (&read_ptr, (atomic_read(&read_ptr) + cnt) & size_mask); + g_atomic_int_set (&read_ptr, (g_atomic_int_get(&read_ptr) + cnt) & size_mask); } void increment_write_ptr (size_t cnt) { - atomic_set (&write_ptr, (atomic_read(&write_ptr) + cnt) & size_mask); + g_atomic_int_set (&write_ptr, (g_atomic_int_get(&write_ptr) + cnt) & size_mask); } size_t write_space () { size_t w, r; - w = atomic_read (&write_ptr); - r = atomic_read (&read_ptr); + w = g_atomic_int_get (&write_ptr); + r = g_atomic_int_get (&read_ptr); if (w > r) { return ((r - w + size) & size_mask) - 1; @@ -98,8 +99,8 @@ class RingBuffer size_t read_space () { size_t w, r; - w = atomic_read (&write_ptr); - r = atomic_read (&read_ptr); + w = g_atomic_int_get (&write_ptr); + r = g_atomic_int_get (&read_ptr); if (w > r) { return w - r; @@ -109,8 +110,8 @@ class RingBuffer } T *buffer () { return buf; } - size_t get_write_ptr () const { return atomic_read (&write_ptr); } - size_t get_read_ptr () const { return atomic_read (&read_ptr); } + size_t get_write_ptr () const { return g_atomic_int_get (&write_ptr); } + size_t get_read_ptr () const { return g_atomic_int_get (&read_ptr); } size_t bufsize () const { return size; } protected: @@ -130,7 +131,7 @@ RingBuffer<T>::read (T *dest, size_t cnt) size_t n1, n2; size_t priv_read_ptr; - priv_read_ptr=atomic_read(&read_ptr); + priv_read_ptr=g_atomic_int_get(&read_ptr); if ((free_cnt = read_space ()) == 0) { return 0; @@ -156,7 +157,7 @@ RingBuffer<T>::read (T *dest, size_t cnt) priv_read_ptr = n2; } - atomic_set(&read_ptr, priv_read_ptr); + g_atomic_int_set(&read_ptr, priv_read_ptr); return to_read; } @@ -170,7 +171,7 @@ RingBuffer<T>::write (T *src, size_t cnt) size_t n1, n2; size_t priv_write_ptr; - priv_write_ptr=atomic_read(&write_ptr); + priv_write_ptr=g_atomic_int_get(&write_ptr); if ((free_cnt = write_space ()) == 0) { return 0; @@ -196,7 +197,7 @@ RingBuffer<T>::write (T *src, size_t cnt) priv_write_ptr = n2; } - atomic_set(&write_ptr, priv_write_ptr); + g_atomic_int_set(&write_ptr, priv_write_ptr); return to_write; } @@ -208,8 +209,8 @@ RingBuffer<T>::get_read_vector (RingBuffer<T>::rw_vector *vec) size_t cnt2; size_t w, r; - w = atomic_read (&write_ptr); - r = atomic_read (&read_ptr); + w = g_atomic_int_get (&write_ptr); + r = g_atomic_int_get (&read_ptr); if (w > r) { free_cnt = w - r; @@ -248,8 +249,8 @@ RingBuffer<T>::get_write_vector (RingBuffer<T>::rw_vector *vec) size_t cnt2; size_t w, r; - w = atomic_read (&write_ptr); - r = atomic_read (&read_ptr); + w = g_atomic_int_get (&write_ptr); + r = g_atomic_int_get (&read_ptr); if (w > r) { free_cnt = ((r - w + size) & size_mask) - 1; |