proc.md

Process management

syscalls_procFork (syscalls_sys_fork)

Forks current process into two processes.

syscalls_procVirtualFork (syscalls_vforksvc)

Forks current process into two processes, but they initially share the address space until exec() or exit() calls are called. Parent process execution is suspended until exec() or exit() call as well.

|Opaque type — can only be accessed and/or modified through/by provided API functions.## syscalls_procExec (syscalls_exec)

GETFROMSTACK(ustack, char *, path, 0);
GETFROMSTACK(ustack, char **, argv, 1);
GETFROMSTACK(ustack, char **, envp, 2);

syscalls_procSpawnSyspage

GETFROMSTACK(ustack, char *, map, 0);
GETFROMSTACK(ustack, char *, name, 1);
GETFROMSTACK(ustack, char **, argv, 2);

syscalls_procSpawn (syscalls_sys_spawn)

GETFROMSTACK(ustack, char *, path, 0);
GETFROMSTACK(ustack, char **, argv, 1);
GETFROMSTACK(ustack, char **, envp, 2);

syscalls_procExit (syscalls_sys_exit)

GETFROMSTACK(ustack, int, code, 0);

syscalls_procWait (syscalls_sys_waitpid)

GETFROMSTACK(ustack, int, pid, 0);
GETFROMSTACK(ustack, int *, stat, 1);
GETFROMSTACK(ustack, int, options, 2);

syscalls_procGetID (syscalls_getpid)

Returns current process identifier

syscalls_procGetParentID (syscalls_getppid)

Returns parent process identifier

syscalls_procSetGroupID (syscalls_sys_setpgid)

GETFROMSTACK(ustack, pid_t, pid, 0);
GETFROMSTACK(ustack, pid_t, pgid, 1);

syscalls_procGetGroupID (syscalls_sys_getpgid)

syscalls_procSetSession (syscalls_sys_setsid)

See also

1. System calls
2. Table of Contents