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lwip-contrib-mac
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This commit is contained in:
jani 2003-03-07 15:00:41 +00:00
parent c1d9d1e71f
commit 683a598138
1 changed files with 8 additions and 8 deletions
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16
ports/unix/include/netif/fifo.h
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@ -8,15 +8,15 @@
/** fifo data structure, this one is passed to all fifo functions */
typedef struct fifo_t {
u8_t data[FIFOSIZE+10]; /// data segment, +10 is a hack probably not needed.. FIXME!
int dataslot; /// index to next char to be read
int emptyslot; /// index to next empty slot
int len; /// len probably not needed, may be calculated from dataslot and emptyslot in conjunction with FIFOSIZE
u8_t data[FIFOSIZE+10]; /* data segment, +10 is a hack probably not needed.. FIXME! */
int dataslot; /* index to next char to be read */
int emptyslot; /* index to next empty slot */
int len; /* len probably not needed, may be calculated from dataslot and emptyslot in conjunction with FIFOSIZE */
sys_sem_t sem; /// semaphore protecting simultaneous data manipulation
sys_sem_t getSem; /// sepaphore used to signal new data if getWaiting is set
u8_t getWaiting; /// flag used to indicate that fifoget is waiting for data. fifoput is suposed to clear
/// this flag prior to signaling the getSem semaphore
sys_sem_t sem; /* semaphore protecting simultaneous data manipulation */
sys_sem_t getSem; /* sepaphore used to signal new data if getWaiting is set */
u8_t getWaiting; /* flag used to indicate that fifoget is waiting for data. fifoput is suposed to clear */
/* this flag prior to signaling the getSem semaphore */
} fifo_t;