linux read return 0
In this block: (error checking omitted for brevity) openFlags = O_CREAT | O_RDWR | O_TRUNC; filePerms = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP ... , After some research, there actually are some circumstances under which it will return 0 that you might not think of as being "EOF". For the gritty ..., When a TCP connection is closed on one side read() on the other side returns 0 byte.,In the absence of errors, or if error detection is not performed, the read() function shall return zero and have no other results. On files that support seeking (for ... , I am playing around with the read(), write(), and open() system calls. ... Boards · Linux Programming; read() always returning 0 (not reading) ...,If data is not available, and the socket is in nonblocking mode, read() returns a -1 ... How read() handles zero-byte STREAMS messages is determined by the ... ,If the file offset is at or past the end of file, no bytes are read, and read() returns zero. If count is zero, read() may detect the errors described below. In the ... ,The Linux implementation of this interface may differ (consult the ... If no process has the pipe open for writing, read() shall return 0 to indicate end-of-file. , This means that the client finished sending data (eg: did a shutdown for writing), and you already read all available data. RETURN VALUE.
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 linux read return 0 相關參考資料
c - Read Returns 0 Bytes - Stack Overflow
In this block: (error checking omitted for brevity) openFlags = O_CREAT | O_RDWR | O_TRUNC; filePerms = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP ... https://stackoverflow.com c++ - Can read(2) return zero when not at EOF? - Stack Overflow
After some research, there actually are some circumstances under which it will return 0 that you might not think of as being "EOF". For the gritty ... https://stackoverflow.com linux - Can read() function on a connected socket return zero ...
When a TCP connection is closed on one side read() on the other side returns 0 byte. https://stackoverflow.com read - The Open Group Library
In the absence of errors, or if error detection is not performed, the read() function shall return zero and have no other results. On files that support seeking (for ... http://pubs.opengroup.org read() always returning 0 (not reading) - C Board - Cprogramming.com
I am playing around with the read(), write(), and open() system calls. ... Boards · Linux Programming; read() always returning 0 (not reading) ... https://cboard.cprogramming.co read() — Read from a file or socket - IBM
If data is not available, and the socket is in nonblocking mode, read() returns a -1 ... How read() handles zero-byte STREAMS messages is determined by the ... https://www.ibm.com read(2) - Linux manual page - man7.org
If the file offset is at or past the end of file, no bytes are read, and read() returns zero. If count is zero, read() may detect the errors described below. In the ... http://man7.org read(3): read from file - Linux man page
The Linux implementation of this interface may differ (consult the ... If no process has the pipe open for writing, read() shall return 0 to indicate end-of-file. https://linux.die.net Why does this blocking socket read return zero and no error ...
This means that the client finished sending data (eg: did a shutdown for writing), and you already read all available data. RETURN VALUE. https://stackoverflow.com |