minix/lib/libsys/sys_fork.c
Lionel Sambuc cc0c1fbd75 Message type for SYS_FORK
Change-Id: Ibcf4fdfec51129b2be3d667ec07aea0f42e3fd89
2014-07-28 17:05:49 +02:00

23 lines
586 B
C

#include "syslib.h"
int sys_fork(parent, child, child_endpoint, flags, msgaddr)
endpoint_t parent; /* process doing the fork */
endpoint_t child; /* which proc has been created by the fork */
endpoint_t *child_endpoint;
u32_t flags;
vir_bytes *msgaddr;
{
/* A process has forked. Tell the kernel. */
message m;
int r;
m.m_lsys_krn_sys_fork.endpt = parent;
m.m_lsys_krn_sys_fork.slot = child;
m.m_lsys_krn_sys_fork.flags = flags;
r = _kernel_call(SYS_FORK, &m);
*child_endpoint = m.m_krn_lsys_sys_fork.endpt;
*msgaddr = m.m_krn_lsys_sys_fork.msgaddr;
return r;
}