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Differential D31567 Diff 93832 sys/compat/linux/linux_misc.c

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sys/compat/linux/linux_misc.c

Show First 20 Lines • Show All 1,099 Lines • ▼ Show 20 Lines return (linux_common_wait(td, idtype, id, args->status, options,
args->rusage, NULL)); args->rusage, NULL));
} }
int int
linux_waitid(struct thread *td, struct linux_waitid_args *args) linux_waitid(struct thread *td, struct linux_waitid_args *args)
{ {
idtype_t idtype; idtype_t idtype;
int error, options; int error, options;
struct proc *p;
pid_t id;
if (args->options & ~(LINUX_WNOHANG | LINUX_WNOWAIT | LINUX_WEXITED | if (args->options & ~(LINUX_WNOHANG | LINUX_WNOWAIT | LINUX_WEXITED |
LINUX_WSTOPPED | LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL)) LINUX_WSTOPPED | LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL))
return (EINVAL); return (EINVAL);
options = 0; options = 0;
linux_to_bsd_waitopts(args->options, &options); linux_to_bsd_waitopts(args->options, &options);
if ((args->options & __WALL) != 0) if ((args->options & __WALL) != 0)
options |= WEXITED | WTRAPPED | WUNTRACED | options |= WEXITED | WTRAPPED | WUNTRACED |
WCONTINUED | WLINUXCLONE; WCONTINUED | WLINUXCLONE;
id = args->id;
switch (args->idtype) { switch (args->idtype) {
case LINUX_P_ALL: case LINUX_P_ALL:
idtype = P_ALL; idtype = P_ALL;
break; break;
case LINUX_P_PID: case LINUX_P_PID:
if (args->id <= 0) if (args->id <= 0)
return (EINVAL); return (EINVAL);
idtype = P_PID; idtype = P_PID;
break; break;
case LINUX_P_PGID: case LINUX_P_PGID:
if (args->id <= 0) if (linux_use54(td) && args->id == 0) {
p = td->td_proc;
PROC_LOCK(p);
id = p->p_pgrp->pg_id;
PROC_UNLOCK(p);
} else if (args->id <= 0)
return (EINVAL); return (EINVAL);
idtype = P_PGID; idtype = P_PGID;
break; break;
case LINUX_P_PIDFD: case LINUX_P_PIDFD:
LINUX_RATELIMIT_MSG("unsupported waitid P_PIDFD idtype"); LINUX_RATELIMIT_MSG("unsupported waitid P_PIDFD idtype");
return (ENOSYS); return (ENOSYS);
default: default:
return (EINVAL); return (EINVAL);
} }
error = linux_common_wait(td, idtype, args->id, NULL, options, error = linux_common_wait(td, idtype, id, NULL, options,
args->rusage, args->info); args->rusage, args->info);
td->td_retval[0] = 0; td->td_retval[0] = 0;
return (error); return (error);
} }
#ifdef LINUX_LEGACY_SYSCALLS #ifdef LINUX_LEGACY_SYSCALLS
int int
▲ Show 20 Lines • Show All 1,740 Lines • Show Last 20 Lines