shm.shmaddr = shmat(shm.shmid,0,0);if(shm.shmaddr == (char*)-1) { shmctl(shm.shmid, IPC_RMID,NULL); shm.shmid =-1;return; } shm.readOnly = False; shmref = shm;XShmAttach(t->ref.dpy, &shmref); XSync(t->ref.dpy, True); shmout = shm;XShmAttach(t->out.dpy, &shmou...
shm_attach — Creates or open a shared memory segment Description 代码语言:javascript 复制 resourceshm_attach(int $key[,int $memsize[,int $perm=0666]]) shm_attach()returns an id that can be used to access the System V shared memory with the givenkey, the first call creates the shared ...
#include <X11/Xlib.h> #include <sys/ipc.h> #include <sys/shm.h> #include <X11/extensions/XShm.h> Bool XShmQueryExtension( Display *display); Bool XShmQueryVersion( Display *display; int *major, *minor; Bool *pixmaps); Status XShmPixmapFormat( Display *display); Status XShmAttach(...
当你遇到“undefined reference to xcb_shm_attach'”这样的编译错误时,通常意味着你的编译器在链接阶段未能找到xcb_shm_attach`函数的定义。这个函数是XCB(X Protocol C Binding)库的一部分,用于处理X Window系统的共享内存扩展。下面是一些解决这个问题的步骤: 确定xcb_shm_attach函数所属的库: xcb_shm_attach...
学习php 多进程的时候,运行脚本报错 Call to undefined function shm_attach() ,搜了一下,看到stack overflow 里面提示需要配置这些扩展 extension=sysvmsg.so extension=sysvsem.so extension=sysvshm.so, 然后去php源码中进行安装即可 php 源码路径中的ext文件夹下面,使用phpize生成PECL扩展的configure文件. ...
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X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 130 (MIT-SHM) Minor opcode of failed request: 1 (X_ShmAttach) Serial number of failed request: 214 Current serial number in output stream: 215 ...
shm_attach -- Creates or open a shared memory segment Descriptionint shm_attach ( int key [, int memsize [, int perm]] ) shm_attach() returns an id that can be used to access the System V shared memory with the given key, the first call creates the shared memory segment with ...
XShmQueryExtension checks to see if the shared memory extensions are available for the specified display. XShmQueryVersion returns the version numbers of the extension implementation. Shared memory pixmaps are supported if the pixmaps argument returns true. XShmAttach tells the server to attach to...