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if LWIP_TCPIP_CORE_LOCKING is 0, we send a copy of the message to TCPIP thread

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Stefan Lankes 2011-09-17 15:25:42 +02:00
parent b9ae214510
commit 25222e4abc
1 changed files with 13 additions and 0 deletions
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13
drivers/char/socket.c
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@ -58,7 +58,20 @@ static ssize_t socket_write(fildes_t* file, uint8_t* buffer, size_t size)
{
int ret = 0;
#if defined(CONFIG_LWIP) && LWIP_SOCKET
if (BUILTIN_EXPECT(!size, 0))
return 0;
#if LWIP_TCPIP_CORE_LOCKING
ret = lwip_write(file->offset, buffer, size);
#else
// create a copy and forward this copy to the TCP/IP stack
uint8_t* tmp = kmalloc(size);
if (BUILTIN_EXPECT(!tmp, 0))
return -ENOMEM;
memcpy(tmp, buffer, size);
ret = lwip_write(file->offset, tmp, size);
kfree(tmp, size);
#endif
if (ret < 0)
ret = -errno;
#endif