execlp return value
exec, execl, execv, execle, execve, execlp, execvp- execute a file .... has occurred; the return value is -1 and errno is set to indicate the error., NAME top. execl, execlp, execle, execv, execvp, execvpe - execute a file ... The return value is -1, and errno is set to indicate the error.
相關軟體 Processing 資訊 | |
---|---|
Processing 是一個靈活的軟件速寫和學習如何在視覺藝術的背景下編碼的語言。自 2001 年以來,Processing 在視覺藝術和視覺素養技術內提升了軟件素養。有成千上萬的學生,藝術家,設計師,研究人員和愛好者使用 Processing 選擇版本:Processing 3.3.6(32 位)Processing 3.3.6(64 位) Processing 軟體介紹
execlp return value 相關參考資料
execlp
The execlp() function replaces the current process image with a new process image specified by file. The new image is constructed from a regular, executable file called the new process image file. No ... http://www.qnx.com execlp(2) (man pages section 2: System Calls)
exec, execl, execv, execle, execve, execlp, execvp- execute a file .... has occurred; the return value is -1 and errno is set to indicate the error. https://docs.oracle.com exec(3) - Linux manual page - man7.org
NAME top. execl, execlp, execle, execv, execvp, execvpe - execute a file ... The return value is -1, and errno is set to indicate the error. http://man7.org execlp: execute a file - Linux Man Pages (3) - SysTutorials
跳到 RETURN VALUE - The exec() functions return only if an error has occurred. The return value is -1, and errno is set to indicate the error. https://www.systutorials.com Return value of execl - Stack Overflow
If exec succeeds it will NEVER return. Succeeding means be able to find and launch the command. If it doesn't succeed it will return -1. https://stackoverflow.com how can I get the return value of a program executed by exec ...
Have the parent process wait for the child to exit: pid_t pid = fork(); if (pid == -1) // error, no child created } else if (pid == 0) // child } else ... https://stackoverflow.com Execlp doesn't return a number - Stack Overflow
The execlp system call doesn't return unless there is an error. It will replace your current program with a new one (your code stops there, ... https://stackoverflow.com Getting return from execlp() - Stack Overflow
After call execlp() , the memory image of current process will be replaced by the called progame, so you cannot get what you want through return value. What you can do is let the child process write ... https://stackoverflow.com execlp(3): execute file - Linux man page
Return Value The exec() functions only return if an error has occurred. The return value is -1, and errno is set to indicate the error. https://linux.die.net How to find the return value of a program after execlp()? - Stack ...
You could do something like this: pid = fork(); if (pid == 0) execlp("ReturnValue.c", ...); } else if (pid > 0) waitpid(pid, &status, ...); /* extract the ... https://stackoverflow.com |