posix
Do (POSIX) Operating Systems recover resources after a process crashes?
Let\'s assume we have a process that allocates a socket listening on a specific port, does something with it and then terminates abnormaly. Now a second process starts and wants to allocate a socket l[详细]
2023-03-21 00:57 分类:问答Forcing a spurious-wake up in Java
This question is not about, whether spurious wakeups actually happen, because this was already discussed in full length here: Do spurious wakeups in Java actually happen? Therefore this is also not ab[详细]
2023-03-20 16:18 分类:问答POSIX shared memory: find out if anyone is attached to a segment
In System V shared memory (shmget()), it is possible to find out how many attached users there are for a se开发者_Python百科gment by using shmctl(... IPC_STAT ...) and reading the field shm_nattch of[详细]
2023-03-20 05:57 分类:问答Is there a function to parse a POSIX timezone and validate it?
I have timezones in the format of NZST-12.00:00NZDT-13:00:00,M10.1.0,M3.3.0 or CET-1开发者_高级运维CEST,M3.5.0,M10.5.0/3[详细]
2023-03-20 04:56 分类:问答How to get the absolute library file name corresponding to a relative path given to dlopen?
In my program I have code like the following /* libname may be a relative path */ void loadLib(char const *libname) {[详细]
2023-03-20 03:34 分类:问答how does pthread_join populate the variable of thread_result
Note: I have removed all required error checking in the following snippet. ... void *thread_function(void *arg)[详细]
2023-03-18 19:29 分类:问答POSIX pthread programming
I have to code a multithreaded(say 2 threads) program where each of these threads do a different task. Also, these threads must keep running infinitely in the background once started. Here is what I h[详细]
2023-03-18 00:30 分类:问答Python, sigaction(2) available?
Is there an equivalent to the POSIX sigaction available through Python? I realize python has traditional support for 开发者_JS百科signals, but I need sigaction.[详细]
2023-03-16 04:45 分类:问答How to mark an array in POSIX sh?
While replacing external commands in a shell script, I used an array to get rid of awk\'s NF. Now, since I moved from bash to POSIX sh, I cannot get the array marked right:[详细]
2023-03-15 23:33 分类:问答Race condition in my POSIX signal handler
The following program forks off a child, that runs \"/bin/sleep 10\" repeatedly. The parent installs a signal handler for SIGINT, that delivers SIGINT to the child. However sometimes sending SIGINT to[详细]
2023-03-15 18:27 分类:问答