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include/sys/socket.h: Renumber the socket types. They must begin at 1, not zero. Socket type zero has a special meaning for some interfaces. For example, getaddrinfo() uses a socket type of zero to many any type of socket. The is no standard name for the any-type-socket, but macOS uses SOCK_UNSPEC. NuttX will do the same. Issue noted by Anthony Merlino.

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This commit is contained in:
Gregory Nutt
2018-09-24 14:58:49 -06:00
parent 91410573ef
commit 0939fd479f
1 changed files with 7 additions and 6 deletions
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include/sys/socket.h
+7 -6
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@@ -83,24 +83,25 @@
* the communication semantics.
*/
#define SOCK_STREAM 0 /* Provides sequenced, reliable, two-way,
#define SOCK_UNSPEC 0 /* Unspecified socket type */
#define SOCK_STREAM 1 /* Provides sequenced, reliable, two-way,
* connection-based byte streams. An out-of-band data
* transmission mechanism may be supported.
*/
#define SOCK_DGRAM 1 /* Supports datagrams (connectionless, unreliable
#define SOCK_DGRAM 2 /* Supports datagrams (connectionless, unreliable
* messages of a fixed maximum length).
*/
#define SOCK_SEQPACKET 2 /* Provides a sequenced, reliable, two-way
#define SOCK_SEQPACKET 3 /* Provides a sequenced, reliable, two-way
* connection-based data transmission path for
* datagrams of fixed maximum length; a consumer is
* required to read an entire packet with each read
* system call.
*/
#define SOCK_RAW 3 /* Provides raw network protocol access. */
#define SOCK_RDM 4 /* Provides a reliable datagram layer that does not
#define SOCK_RAW 4 /* Provides raw network protocol access. */
#define SOCK_RDM 5 /* Provides a reliable datagram layer that does not
* guarantee ordering.
*/
#define SOCK_PACKET 5 /* Obsolete and should not be used in new programs */
#define SOCK_PACKET 6 /* Obsolete and should not be used in new programs */
/* Bits in the FLAGS argument to `send', `recv', et al. These are the bits
* recognized by Linus, not all are supported by NuttX.