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Update mc_tcp.cpp

This commit is contained in:
Eao3piq4e 2022-08-10 16:25:37 +08:00
parent d0a5914e3f
commit 3a2a690ee8
1 changed files with 8 additions and 4 deletions
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12
src/gausskernel/cbb/communication/libcomm_core/mc_tcp.cpp
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@ -236,7 +236,8 @@ static void mc_tcp_do_listen(int fd, int backlog)
/* /*
function name: mc_tcp_read_block function name: mc_tcp_read_block
description: This function receives data from the other end of TCP in a blocking manner. description: This function receives data from the other end of TCP in a blocking manner, the receiving
process will not end until the data of size byte length is successfully received or a real error occurs in the receiving process
arguments: The first argument indicates the specific socket that has been established. arguments: The first argument indicates the specific socket that has been established.
The second argument is a pointer to memory area, we use it to store received data. The second argument is a pointer to memory area, we use it to store received data.
The third argument is byte length of the memory area pointed to by the data pointer. The third argument is byte length of the memory area pointed to by the data pointer.
@ -319,7 +320,8 @@ int mc_tcp_read_block(int fd, void* data, int size, int flags)
/* /*
function name: mc_tcp_read_nonblock function name: mc_tcp_read_nonblock
description: This function receives data from the other end of TCP in a non blocking manner. description: This function receives data from the other end of TCP in a non blocking manner,
the data receiving process is only performed once.
arguments: The first argument indicates the specific socket that has been established. arguments: The first argument indicates the specific socket that has been established.
The second argument is a pointer to memory area, we use it to store received data. The second argument is a pointer to memory area, we use it to store received data.
The third argument is byte length of the memory area pointed to by the data pointer. The third argument is byte length of the memory area pointed to by the data pointer.
@ -450,7 +452,8 @@ int mc_tcp_check_socket(int sock)
/* /*
function name: mc_tcp_write_block function name: mc_tcp_write_block
description: This function writes data to the specified socket in blocking mode. description: This function writes data to the specified socket in blocking mode, the sending process
will not end until all the data are successfully sent or a real error occurs during the sending process
arguments: The first argument indicates the specific socket that has been established. arguments: The first argument indicates the specific socket that has been established.
The second argument is a pointer to memory area, we use it to store data to be sent. The second argument is a pointer to memory area, we use it to store data to be sent.
The third argument is byte length of data to be sent. The third argument is byte length of data to be sent.
@ -520,7 +523,8 @@ int mc_tcp_write_block(int fd, const void* data, int size)
/* /*
function name: mc_tcp_write_noblock function name: mc_tcp_write_noblock
description: This function writes data to the specified socket in non blocking mode. description: This function writes data to the specified socket in non blocking mode,
the data transmission process is only performed once.
arguments: The first argument indicates the specific socket that has been established. arguments: The first argument indicates the specific socket that has been established.
The second argument is a pointer to memory area, we use it to store data to be sent. The second argument is a pointer to memory area, we use it to store data to be sent.
The third argument is byte length of data to be sent. The third argument is byte length of data to be sent.