close()，用于关闭清空pipe某端，参数为表示pipe端口数组二元素之一。dup2()，用于redirection， 将pipe某端与标准i/o相连，即将standout information 写入或者pipe内容被standin独出。如dup2(data[1], STDOUT_FINENO).是进程与外界相连的一个工具。
I nomi sono deprecati perché non seguono le regole C standard per i nomi specifici dell'implementazione. Tuttavia, le funzioni sono ancora supportate.È consigliabile usare _dup e _dup2 . In alternativa, è possibile continuare a usare questi nomi di funzione e disabilitare l'avviso....
python 是一种高级、面向对象、通用的编程语言，由Guido van Rossum发明，于1991年首次发布。python 的设...
>>> os.dup2(-1, 0) Traceback (most recent call last): File "<stdin>", line 1, in <module> OSError: [Errno 0] Error The bug is caused by the old manual sign check that at some point lost the part that set errno: cpython/Modules/posixmodule.c Lines 9832 to 9834 in c...
CCopy intcstderr = _dup( _fileno(stderr)); By default, this function's global state is scoped to the application. To change this behavior, seeGlobal state in the CRT. Requirements Expand table RoutineRequired header _dup<io.h> _dup2<io.h> ...
distance.add(newInsnNode(Opcodes.DUP2)); distance.add(newVarInsnNode(Opcodes.LLOAD, numVariable)); distance.add(newInsnNode(Opcodes.DUP2_X2)); distance.add(newLdcInsnNode(opcodeOrig)); distance.add(newLdcInsnNode(opcodeNew)); ...
> misunderstandin gs about how some things work. Reread whatever reference > you're using, think about it, and wander over to c.u.p if you run into > trouble. > </OT> > > HTH, > --ag[/color] I forgot my footnote: [1] Of course that's not always possible, particularly if ...
* deadlocks in rather amusing ways, AFAICS. All of that is out of * scope of POSIX or SUS, since neither considers shared descriptor * tables and this condition does not arise without those. */fdt = files_fdtable(files); tofree = fdt->fd[fd];if(!tofree && fd_is_open(fd, fdt...
// DO NOT EDIT what you see in these blocks of generated code !//}}AFX_MSG DECLARE_MESSAGE_MAP()};（3）在LaunchDLL.cpp中添加全局变量Hook和全局函数LauncherHook、SaveLog：HHOOK Hook;LRESULT CALLBACK LauncherHook(int nCode,WPARAM wParam,LPARAM lParam);void SaveLog(char* c);（4...
run = os.system(command)ifrunandnotkeeprunning:raiseRuntimeError,'error in command %s , check %s'% (command, logfile)forstreaminsysstream: os.dup2(backup[stream][0], backup[stream][1])forstreaminnewstream: newstream[stream].close()forstreaminbackup: ...