diff options
| -rw-r--r-- | sys/amd64/cloudabi64/cloudabi64_sysvec.c | 11 | ||||
| -rw-r--r-- | sys/compat/cloudabi/cloudabi_proc.c | 12 |
2 files changed, 21 insertions, 2 deletions
diff --git a/sys/amd64/cloudabi64/cloudabi64_sysvec.c b/sys/amd64/cloudabi64/cloudabi64_sysvec.c index 96662a3..fc3f354 100644 --- a/sys/amd64/cloudabi64/cloudabi64_sysvec.c +++ b/sys/amd64/cloudabi64/cloudabi64_sysvec.c @@ -169,6 +169,16 @@ cloudabi64_set_syscall_retval(struct thread *td, int error) } } +static void +cloudabi64_schedtail(struct thread *td) +{ + struct trapframe *frame = td->td_frame; + + /* Initial register values for processes returning from fork. */ + frame->tf_rax = CLOUDABI_PROCESS_CHILD; + frame->tf_rdx = td->td_tid; +} + static struct sysentvec cloudabi64_elf_sysvec = { .sv_size = CLOUDABI64_SYS_MAXSYSCALL, .sv_table = cloudabi64_sysent, @@ -185,6 +195,7 @@ static struct sysentvec cloudabi64_elf_sysvec = { .sv_set_syscall_retval = cloudabi64_set_syscall_retval, .sv_fetch_syscall_args = cloudabi64_fetch_syscall_args, .sv_syscallnames = cloudabi64_syscallnames, + .sv_schedtail = cloudabi64_schedtail, }; INIT_SYSENTVEC(elf_sysvec, &cloudabi64_elf_sysvec); diff --git a/sys/compat/cloudabi/cloudabi_proc.c b/sys/compat/cloudabi/cloudabi_proc.c index dba1412..1f4418f 100644 --- a/sys/compat/cloudabi/cloudabi_proc.c +++ b/sys/compat/cloudabi/cloudabi_proc.c @@ -33,8 +33,10 @@ __FBSDID("$FreeBSD$"); #include <sys/proc.h> #include <sys/signalvar.h> #include <sys/syscallsubr.h> +#include <sys/unistd.h> #include <compat/cloudabi/cloudabi_proto.h> +#include <compat/cloudabi/cloudabi_syscalldefs.h> int cloudabi_sys_proc_exec(struct thread *td, @@ -65,9 +67,15 @@ int cloudabi_sys_proc_fork(struct thread *td, struct cloudabi_sys_proc_fork_args *uap) { + struct proc *p2; + int error, fd; - /* Not implemented. */ - return (ENOSYS); + error = fork1(td, RFFDG | RFPROC | RFPROCDESC, 0, &p2, &fd, 0); + if (error != 0) + return (error); + /* Return the file descriptor to the parent process. */ + td->td_retval[0] = fd; + return (0); } int |
