minsetup.h File Reference

(2023-08-02, commit: 9434b31)

Header related to minimal early system setup. More...

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Functions
int	crinitSetupSystemFs (void)
int	crinitForkZombieReaper (void)

Detailed Description

Header related to minimal early system setup.

Function Documentation

crinitForkZombieReaper()

int crinitForkZombieReaper

(

void

)

Forks the calling process, parent will enter a wait-loop, child will return.

Meant to be used during early startup if the calling process is PID 1. After the call, PID 1 will be in a permanent wait-loop to take care of orphaned processes. The new process will return from the funtion and go on.

Returns

-1 if fork() fails, 0 on success in the child process, parent process will never return

crinitSetupSystemFs()

int crinitSetupSystemFs

(

void

)

Sets up devtmpfs, devpts, sysfs, procfs, and a tmpfs on /run

Meant to be used during early startup, so that necessary system interfaces are available.

Returns

0 on success, -1 on error