怎么看进程描述符是什么类型的？

alexhappy

ls -l

zhuhefang2006

原帖由 boldeagle 于 2008-12-30 15:01 发表
在/proc/进程ID/fd下的进程描述符，用什么命令看它指向的文件属于什么类型？

/proc/进程id/fd下是该进程打开的文件描述符吧

zhongyj

solaris
/proc/642/fd>ls -l
total 0
c---------   1 zhongyj  tty       24,  1 Dec 30 15:43 0
c---------   1 zhongyj  tty       24,  1 Dec 30 15:43 1
c---------   1 zhongyj  tty       24,  1 Dec 30 15:43 2
c---------   1 zhongyj  tty       24,  1 Dec 30 15:43 255
D---------   1 root     root           0 Dec 30 15:39 3
/proc/642/fd>pfiles -F 642
642:    -bash
  Current rlimit: 256 file descriptors
   0: S_IFCHR mode:0620 dev:295,0 ino:452037596 uid:65535 gid:7 rdev:24,1
      O_RDWR|O_NOCTTY|O_LARGEFILE
      /dev/pts/1
   1: S_IFCHR mode:0620 dev:295,0 ino:452037596 uid:65535 gid:7 rdev:24,1
      O_RDWR|O_NOCTTY|O_LARGEFILE
      /dev/pts/1
   2: S_IFCHR mode:0620 dev:295,0 ino:452037596 uid:65535 gid:7 rdev:24,1
      O_RDWR|O_NOCTTY|O_LARGEFILE
      /dev/pts/1
   3: S_IFDOOR mode:0444 dev:305,0 ino:57 uid:0 gid:0 size:0
      O_RDONLY|O_LARGEFILE FD_CLOEXEC  door to nscd[140]
      /var/run/name_service_door
255: S_IFCHR mode:0620 dev:295,0 ino:452037596 uid:65535 gid:7 rdev:24,1
      O_RDWR|O_NOCTTY|O_LARGEFILE FD_CLOEXEC
      /dev/pts/1

linux
/proc/2503/fd>ls -l
total 0
lrwx------ 1 zhongyj zhongyj 64 Dec 28 18:18 0 -> /dev/pts/0
lrwx------ 1 zhongyj zhongyj 64 Dec 28 18:18 1 -> /dev/pts/0
lrwx------ 1 zhongyj zhongyj 64 Dec 28 18:18 2 -> /dev/pts/0
lrwx------ 1 zhongyj zhongyj 64 Dec 28 18:18 255 -> /dev/pts/0

zhongyj

这个不知道了，手头没有aix机器