z/OS Using REXX and z/OS UNIX System Services
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f_setfd

z/OS Using REXX and z/OS UNIX System Services
SA23-2283-00 

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>>-f_setfd--fd--close_exec-------------------------------------><

Function

f_setfd invokes the fcntl callable service to set file descriptor flags.

Parameters

fd
The file descriptor (a number) for the file.
close_exec
A numeric value to indicate whether this file descriptor should remain open after an exec:
  • 0 indicates that it should remain open.
  • 1 indicates that it should be closed.

Example

To set the flags for the file identified by file descriptor 0 and indicate that this file descriptor should remain open during an exec: 
"f_setfd 0 0"
Parent topic: Syscall command descriptions

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