Nios® V Processor Software Developer Handbook

ID 743810
Date 4/01/2024
Public
Document Table of Contents

15.1.1.55. fork()

Prototype

pid_t fork (void)

Commonly Called By

C/C++ programs

Device drivers

Thread-safe

Yes.

Available from ISR

No.

Include

<unistd.h>

Description

The fork() function is only provided for compatibility with newlib.

Return

Calls to fork() always fails with the return code –1 and errno set to ENOSYS.