I have a question regarding linux (or POSIX) readlink syscall. Will linux implementation of readlink() touch block device contained in "link" or will it only do IO on block device hosting the filesystem containing the link inode?
Will linux readlink() syscall touch block device it refers to?
63 views Asked by antun At
0
There are 0 answers
Related Questions in LINUX
- Is there some way to use printf to print a horizontal list of decrementing hex digits in NASM assembly on Linux
- Why does Hugo generate different taxonomy-related HTML on different OS's?
- Writes in io_uring do not advance the file offset
- Why `set -o pipefail` gives different output even though the pipe is not failing
- what really controls the permissions: UID or eUID?
- Compiling eBPF program in Docker fails due to missing '__u64' type
- Docker container unable to make HTTPS requests to external API
- Whow to use callback_query_handler in Python 3.10
- Create kea runtime directory at startup in Yocto image
- Problem on CPU scheduling algorithms in OS
- How to copy files into the singularity sandbox?
- Android kernel error: undefined reference to `get_hw_version_platform'
- Is there a need for BPF Linux namespace?
- Error when trying to execute a binary compiled in a Kali Linux machine on an Ubuntu system
- Issue with launching application after updating ElectronJs to version 28.0.0 on Windows and Linux
Related Questions in POSIX
- Is it safe to assume 8-bit char on Linux and FreeBSD, based on POSIX?
- How many senders and receivers of a notification are possible in a POSIX message queue
- Does opendir() / FindFirstFile() get a snapshot of a directory?
- Differences in behavior of kill(pid, SIGINT) between Debian and Red Hat based distros
- select() always returns 0 Serial Port (UART) vxWorks
- some questions about posix_trace_* function
- In LDAP: Differentiating via OU or via attribute?
- recvmsg returns EAGAIN after select reports file descriptor is ready
- Can close of pipe's write end fail leaving reading process blocked?
- Why, on Linux (specifically Ubuntu 20.04 LTS), a POSIX shared memory object survives reboot and then suddenly belongs to the "root" user?
- file.tell() after a write is not correct in append mode?
- Map UNIX "nobody" and "nogroup" to Win32 Accounts/SIDs?
- POSIX Message Queue - "Message too long" on send
- Does the POSIX Standard really mean that a non-thread safe function can break the thread-safety of every other function?
- awk dot in regex doesn't match space
Related Questions in SYSTEM-CALLS
- seccomp_unotify can't catch syscall more than once
- Why do register arg values need to be re-assigned in NASM after an int 0x80 system call?
- How to use mmap iteratively to map data in small chunks from a large file
- I want to use toilet to modify hook_function
- Finding total RAM consumption of process, including swap
- Why is the write system call printing an incorrect number of characters?
- Why is fork() accepted in strace if the actual syscall is clone()?
- Why does sudo kill -15 on sh and docker-compose PIDs not stop Docker containers?
- How to know if a syscall returned an error?
- Why does the assembly after my sys_clone call affect the cloned process?
- Why does mov fail to set dynamic section sizes when used on a function using GCC
- undefined reference to `sys_getprocs' when getting number of processes in Xv6
- Hello World in assembly on x86-64 Windows vs. Linux with int 0x80 system call
- C semaphore and shared memory
- Nginx tries to read config file in one pread() and fails on specific AMI on Amazon
Related Questions in READLINK
- absolute path if PWD itself is a symlink
- Next.js application is not getting hosted to localhost:3000
- Problems with finding out file path via descriptor
- `readlink` not returning absolute path when used with script located in folder known to `PATH`
- Error in middleware-manifest.json (errno: -4094, code: 'UNKNOWN', syscall: 'readlink') in .Next file
- proc/self/exe returns unwanted additional information, how to get rid of it?
- Will linux readlink() syscall touch block device it refers to?
- why does readlink function cause a segmentation fault instead of moving the path string to a pointer?
- How to fix "readlink: missing operand"?
- Traversing multiple symbolic links recursively in Python
- How to batch update all symlink pointers to replace "_F-ss" with empty string?
- Why doesn't readlink return a null-terminated value?
- Retrieve Windows symlink target in cC
- Difficulty using readlink in bash with mix of variables and string to return absolute paths
- How can I prevent the same file being included twice when using hardlinks?
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
Popular Tags
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)