sntp/libevent/evbuffer-internal.h

51 /* Minimum allocation for a chain.  We define this so that we're burning no
81 	/** The first chain in this buffer's linked list of chains. */
83 	/** The last chain in this buffer's linked list of chains. */
86 	/** Pointer to the next pointer pointing at the 'last_with_data' chain.
90 	 * The last_with_data chain is the last chain that has any data in it.
91 	 * If all chains in the buffer are empty, it is the first chain.
95 	 * points at the last_with_datap chain.  If the last_with_data chain
96 	 * is the first chain, or it is NULL, then the last_with_datap pointer
172 	/** points to next buffer in the chain */
187 	/** Set if special handling is required for this chain */
189 #define EVBUFFER_FILESEGMENT	0x0001  /**< A chain used for a file segment */
190 #define EVBUFFER_SENDFILE	0x0002	/**< a chain used with sendfile */
191 #define EVBUFFER_REFERENCE	0x0004	/**< a chain with a mem reference */
192 #define EVBUFFER_IMMUTABLE	0x0008	/**< read-only chain */
193 	/** a chain that mustn't be reallocated or freed, or have its contents
194 	 * memmoved, until the chain is un-pinned. */
198 	/** a chain that should be freed, but can't be freed until it is
201 	/** a chain that is a referenced copy of another chain */
204 	/** number of references to this chain */
216 /** callback for a reference chain; lets us know what to do with it when
224 /** File segment for a file-segment chain.  Lives at the end of an
268 /** Information about the multicast parent of a chain.  Lives at the
273 	/** multicast parent for this chain */
306 /** Pin a single buffer chain using a given flag. A pinned chunk may not be
308 void evbuffer_chain_pin_(struct evbuffer_chain *chain, unsigned flag);
309 /** Unpin a single buffer chain using a given flag. */
310 void evbuffer_chain_unpin_(struct evbuffer_chain *chain, unsigned flag);
322  * extent, and *chainp to point to the first chain that we'll try to read into.