$ apropos mkfifo
mkfifo (1) - make FIFOs (named pipes)
mkfifo (1posix) - make FIFO special files
mkfifo (3) - make a FIFO special file (a named pipe)
mkfifo (3posix) - make a FIFO special file
mkfifoat (3) - make a FIFO (named pipe) relative to a directory file
我正在从Linux移植到FreeBSD,并且遇到了::mknod()失败,出现了errno:
[EINVAL] Creating anything else than a block or character spe-
cial file (or a whiteout) is not supported.
但我也在手册页上看到了前面的内容:
The mknod() system call requires super-user privileges.
那么,在Linux和FreeBSD上都能工作的替代调用是什么呢?
发生这种情况的代码
我试图在Centos 5中构建OpenJDK 9。
sh ./configure --disable-warnings-as-errors
make all
我得到了以下错误。
Building target 'all' in configuration 'linux-x86_64-normal-server-release'
/root/jdk9/build/linux-x86_64-normal-server-
release/support/native/java.base/libjava/io_util_md.o: In function
`hand
我正在使用Gentoo Linux,我想安装Python2.5,但是有一个问题。
命令,emerge -av python输出以下内容,
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild U ] dev-lang/python-3.1.2-r3 [3.1.1-r1] USE="gdbm ipv6 ncurses readline ssl threads (wide-unicode%*) xml -build -
在linux上的C++中,有没有更面向对象的替代方法来使用gettimeofday()?例如,我喜欢能够写出类似下面这样的代码:
DateTime now = new DateTime;
DateTime duration = new DateTime(2300, DateTime.MILLISECONDS)
DateTime deadline = now + duration;
while(now < deadline){
DoSomething();
delete now;
now = new DateTime()
}
目标是一个嵌入式linux系统,没有B