fcntl on EBADF:

The argument cmd is F_SETLK or F_SETLKW, the type of lock (l_type) is an exclusive lock (F_WRLCK), and fd is not a valid file descriptor open for writing.

Open the file for write access.

- tye        

In reply to Re: Lightweight Solution To "Only 1 Process Running" On AIX (access) by tye
in thread Lightweight Solution To "Only 1 Process Running" On AIX by Limbic~Region

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