diff options
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man9/fork1.9 | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/share/man/man9/fork1.9 b/share/man/man9/fork1.9 index 441f3429278..156b1b8a562 100644 --- a/share/man/man9/fork1.9 +++ b/share/man/man9/fork1.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: fork1.9,v 1.7 2003/06/06 20:56:32 jmc Exp $ +.\" $OpenBSD: fork1.9,v 1.8 2004/03/16 17:48:36 tedu Exp $ .\" $NetBSD: fork1.9,v 1.3 1999/03/16 00:40:47 garbled Exp $ .\" .\" Copyright (c) 1998 The NetBSD Foundation, Inc. @@ -46,7 +46,7 @@ .Fd #include <sys/types.h> .Fd #include <sys/proc.h> .Ft int -.Fn "fork1" "struct proc *p1" "int flags" "void *stack" "size_t stacksize" "register_t *retval" +.Fn "fork1" "struct proc *p1" "int exitsig" "int flags" "void *stack" "size_t stacksize" "void (*func)(void *)" "void *arg" "register_t *retval" .Sh DESCRIPTION .Fn fork1 creates a new process out of @@ -128,6 +128,26 @@ This will contain the pid of the child process. In the parent process, this will contain the value 0. In the child process, this will contain 1. .El +.Pp +The signal +.Fa exitsig +is sent to the parent +.Fa p1 +on exit of the new process. +.Pp +If +.Fa func +is not +.Dv NULL , +the new process will begin execution by calling this function. +It defaults to child_return, which returns to userland. +.Pp +If +.Fa arg +is not +.Dv NULL , +it is the argument to the previous function. +It defaults to a pointer to the new process. .Sh RETURN VALUES Upon successful completion of the fork operation, .Fn fork1 @@ -149,7 +169,8 @@ user id would be exceeded. .Xr vfork 2 , .Xr kthread_create 9 , .Xr pfind 9 , -.Xr psignal 9 +.Xr psignal 9 , +.Xr uvm_fork 9 .Sh CAVEATS The .Nm |