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Shell Programming and Scripting
Reading a file that is already open by another process
Post 302224031 by zaxxon on Tuesday 12th of August 2008 04:47:32 AM
08-12-2008
Quote:
by the process
"A remote file being in use by a process..." Sorry, I don't understand what you mean. Remote in the terms if you can check from your Unix box if the file you are downloading is currently in use by some process on the XP box
Maybe you describe a bit more, what you want to know.Basically on Unix you can check with "fuser" if files are in use.
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LEARN ABOUT OSF1
getpgid
getpgid(2) System Calls Manual getpgid(2) NAME
getpgid - Gets process group ID LIBRARY
Standard C Library (libc.a) SYNOPSIS
#include <sys/types.h> #include <unistd.h> pid_t getpgid( pid_t pid); PARAMETERS
Specifies the process ID of the target process; zero implies the calling process. DESCRIPTION
The getpgid() function returns the process group ID of the process specified by the process ID pid. Specifying a pid of 0 (zero) returns the process group ID of the calling process. RETURN VALUES
The getpgid() function returns the process group ID of the process specified. If there was an error, a value of -1 is returned and errno is set to indicate the error. ERRORS
If any of the following conditions occurs, the getpgid() function sets errno to the corresponding value: The specified process is not in the same session as the calling process, and the calling process lacks sufficient privilege to read the specified process. As released, Tru64 UNIX does not check the privilege. No process has been found that has a process ID identical to that specified by the pid parameter. RELATED INFORMATION
Functions: exec(2), fork(2), setpgid(2) delim off getpgid(2)