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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-07-19 13:50:08 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-07-19 13:50:08 +0000 |
commit | 85f8218d49dfea1bea70633d38cede541143a1df (patch) | |
tree | 05dbb3d914eaf7434bd20987200ba57e3aafaa24 /nuttx/net/net_internal.h | |
parent | 17553d10657c2a395a2ab1f7d6629453fc5ed342 (diff) | |
download | px4-nuttx-85f8218d49dfea1bea70633d38cede541143a1df.tar.gz px4-nuttx-85f8218d49dfea1bea70633d38cede541143a1df.tar.bz2 px4-nuttx-85f8218d49dfea1bea70633d38cede541143a1df.zip |
Add non-blocking capability for TCP sockets
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1996 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/net/net_internal.h')
-rw-r--r-- | nuttx/net/net_internal.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/nuttx/net/net_internal.h b/nuttx/net/net_internal.h index a403a269f..a4b1fe4dd 100644 --- a/nuttx/net/net_internal.h +++ b/nuttx/net/net_internal.h @@ -53,13 +53,14 @@ /* Definitions of 8-bit socket flags */ - /* Bits 0:2 : Socket state */ + /* Bits 0-2: Socket state */ #define _SF_IDLE 0x00 /* There is no socket activity */ #define _SF_ACCEPT 0x01 /* Socket is waiting to accept a connection */ #define _SF_RECV 0x02 /* Waiting for recv action to complete */ #define _SF_SEND 0x03 /* Waiting for send action to complete */ #define _SF_MASK 0x03 /* Mask to isolate the above actions */ - /* Bits 3:4 : unused */ + /* Bit 3: unused */ +#define _SF_NONBLOCK 0x10 /* Bit 4: Don't block if no data (TCP/READ only) */ #define _SF_LISTENING 0x20 /* Bit 5: SOCK_STREAM is listening */ #define _SF_BOUND 0x40 /* Bit 6: SOCK_STREAM is bound to an address */ #define _SF_CONNECTED 0x80 /* Bit 7: SOCK_STREAM is connected */ @@ -69,6 +70,8 @@ #define _SS_SETSTATE(s,f) (((s) & ~_SF_MASK) | (f)) #define _SS_GETSTATE(s) ((s) & _SF_MASK) #define _SS_ISBUSY(s) (_SS_GETSTATE(s) != _SF_IDLE) + +#define _SS_ISNONBLOCK(s) (((s) & _SF_NONBLOCK) != 0) #define _SS_ISLISTENING(s) (((s) & _SF_LISTENING) != 0) #define _SS_ISBOUND(s) (((s) & _SF_CONNECTED) != 0) #define _SS_ISCONNECTED(s) (((s) & _SF_CONNECTED) != 0) |