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Add buffer needs

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This commit is contained in:
Kamil Trzcinski
2022-04-04 22:44:22 +02:00
parent 659240889f
commit a20883e8f1
6 changed files with 61 additions and 5 deletions
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5
buffer_lock.h
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@@ -9,10 +9,15 @@ typedef struct buffer_lock_s {
pthread_mutex_t lock;
pthread_cond_t cond_wait;
buffer_t *buf;
struct timeval buf_time;
int counter;
int refs;
} buffer_lock_t;
#define DEFINE_BUFFER_LOCK(name) static buffer_lock_t name = { #name, PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, NULL, 0 };
void buffer_lock_capture(buffer_lock_t *buf_lock, buffer_t *buf);
buffer_t *buffer_lock_get(buffer_lock_t *buf_lock, int timeout_s, int *counter);
bool buffer_lock_needs_buffer(buffer_lock_t *buf_lock);
void buffer_lock_use(buffer_lock_t *buf_lock, int ref);
bool buffer_lock_is_used(buffer_lock_t *buf_lock);