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Source code changes of the file "include/recvbuff.h" between
ntp-4.2.8p14.tar.gz and ntp-4.2.8p15.tar.gz

About: NTP is the the Official Reference Implementation of the Network Time Protocol (NTP) that synchronize the clocks of computers over a network.

recvbuff.h  (ntp-4.2.8p14):recvbuff.h  (ntp-4.2.8p15)
skipping to change at line 13 skipping to change at line 13
#include "ntp.h" #include "ntp.h"
#include "ntp_net.h" #include "ntp_net.h"
#include "ntp_lists.h" #include "ntp_lists.h"
#include <isc/result.h> #include <isc/result.h>
/* /*
* recvbuf memory management * recvbuf memory management
*/ */
#define RECV_INIT 10 /* 10 buffers initially */ #define RECV_INIT 64 /* 64 buffers initially */
#define RECV_LOWAT 3 /* when we're down to three buffers get more */ #define RECV_LOWAT 3 /* when we're down to three buffers get more */
#define RECV_INC 5 /* get 5 more at a time */ #define RECV_INC 32 /* [power of 2] get 32 more at a time */
#define RECV_TOOMANY 40 /* this is way too many buffers */ #define RECV_BATCH 128 /* [power of 2] max increment in one sweep */
#define RECV_TOOMANY 4096 /* this should suffice, really. TODO: tos option?
*/
/* If we have clocks, keep an iron reserve of receive buffers for
* clocks only.
*/
#if defined(REFCLOCK)
# if !defined(RECV_CLOCK) || RECV_CLOCK == 0
# undef RECV_CLOCK
# define RECV_CLOCK 16
# endif
#else
# if defined(RECV_CLOCK)
# undef RECV_CLOCK
# endif
# define RECV_CLOCK 0
#endif
#if defined HAVE_IO_COMPLETION_PORT #if defined HAVE_IO_COMPLETION_PORT
# include "ntp_iocompletionport.h" # include "ntp_iocompletionport.h"
# include "ntp_timer.h" # include "ntp_timer.h"
# define RECV_BLOCK_IO() EnterCriticalSection(&RecvCritSection) # define RECV_BLOCK_IO() EnterCriticalSection(&RecvCritSection)
# define RECV_UNBLOCK_IO() LeaveCriticalSection(&RecvCritSection) # define RECV_UNBLOCK_IO() LeaveCriticalSection(&RecvCritSection)
/* Return the event which is set when items are added to the full list /* Return the event which is set when items are added to the full list
*/ */
skipping to change at line 91 skipping to change at line 107
*/ */
extern void freerecvbuf(struct recvbuf *); extern void freerecvbuf(struct recvbuf *);
/* Get a free buffer (typically used so an async /* Get a free buffer (typically used so an async
* read can directly place data into the buffer * read can directly place data into the buffer
* *
* The buffer is removed from the free list. Make sure * The buffer is removed from the free list. Make sure
* you put it back with freerecvbuf() or * you put it back with freerecvbuf() or
*/ */
/* signal safe - no malloc */ /* signal safe - no malloc, returns NULL when no bufs */
extern struct recvbuf *get_free_recv_buffer(void); extern struct recvbuf *get_free_recv_buffer(int /*BOOL*/ urgent);
/* signal unsafe - may malloc, never returs NULL */ /* signal unsafe - may malloc, returns NULL when no bufs */
extern struct recvbuf *get_free_recv_buffer_alloc(void); extern struct recvbuf *get_free_recv_buffer_alloc(int /*BOOL*/ urgent);
/* Add a buffer to the full list /* Add a buffer to the full list
*/ */
extern void add_full_recv_buffer(struct recvbuf *); extern void add_full_recv_buffer(struct recvbuf *);
/* number of recvbufs on freelist */ /* number of recvbufs on freelist */
extern u_long free_recvbuffs(void); extern u_long free_recvbuffs(void);
extern u_long full_recvbuffs(void); extern u_long full_recvbuffs(void);
extern u_long total_recvbuffs(void); extern u_long total_recvbuffs(void);
extern u_long lowater_additions(void); extern u_long lowater_additions(void);
 End of changes. 3 change blocks. 
7 lines changed or deleted 24 lines changed or added

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