diff options
Diffstat (limited to 'sys/compat/linux/linux_emul.h')
| -rw-r--r-- | sys/compat/linux/linux_emul.h | 92 |
1 files changed, 25 insertions, 67 deletions
diff --git a/sys/compat/linux/linux_emul.h b/sys/compat/linux/linux_emul.h index f409a34..7262093 100644 --- a/sys/compat/linux/linux_emul.h +++ b/sys/compat/linux/linux_emul.h @@ -1,5 +1,6 @@ /*- * Copyright (c) 2006 Roman Divacky + * Copyright (c) 2013 Dmitry Chagin * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -31,91 +32,48 @@ #ifndef _LINUX_EMUL_H_ #define _LINUX_EMUL_H_ -#define EMUL_SHARED_HASXSTAT 0x01 - -struct linux_emuldata_shared { - int refs; - int flags; - int xstat; - pid_t group_pid; - - LIST_HEAD(, linux_emuldata) threads; /* head of list of linux threads */ -}; - /* * modeled after similar structure in NetBSD * this will be extended as we need more functionality */ struct linux_emuldata { - pid_t pid; - int *child_set_tid; /* in clone(): Child's TID to set on clone */ int *child_clear_tid;/* in clone(): Child's TID to clear on exit */ - struct linux_emuldata_shared *shared; - int pdeath_signal; /* parent death signal */ - int flags; /* different emuldata flags */ + int flags; /* thread emuldata flags */ + int em_tid; /* thread id */ struct linux_robust_list_head *robust_futexes; - - LIST_ENTRY(linux_emuldata) threads; /* list of linux threads */ }; -struct linux_emuldata *em_find(struct proc *, int locked); - -/* - * DTrace probes for locks should be fired after locking and before releasing - * to prevent races (to provide data/function stability in dtrace, see the - * output of "dtrace -v ..." and the corresponding dtrace docs). - */ -#define EMUL_LOCK(l) do { \ - mtx_lock(l); \ - LIN_SDT_PROBE1(locks, emul_lock, \ - locked, l); \ - } while (0) -#define EMUL_UNLOCK(l) do { \ - LIN_SDT_PROBE1(locks, emul_lock, \ - unlock, l); \ - mtx_unlock(l); \ - } while (0) +struct linux_emuldata *em_find(struct thread *); -#define EMUL_SHARED_RLOCK(l) do { \ - sx_slock(l); \ - LIN_SDT_PROBE1(locks, emul_shared_rlock, \ - locked, l); \ - } while (0) -#define EMUL_SHARED_RUNLOCK(l) do { \ - LIN_SDT_PROBE1(locks, emul_shared_rlock, \ - unlock, l); \ - sx_sunlock(l); \ - } while (0) -#define EMUL_SHARED_WLOCK(l) do { \ - sx_xlock(l); \ - LIN_SDT_PROBE1(locks, emul_shared_wlock, \ - locked, l); \ - } while (0) -#define EMUL_SHARED_WUNLOCK(l) do { \ - LIN_SDT_PROBE1(locks, emul_shared_wlock, \ - unlock, l); \ - sx_xunlock(l); \ - } while (0) - -/* for em_find use */ -#define EMUL_DOLOCK 1 -#define EMUL_DONTLOCK 0 +void linux_proc_init(struct thread *, struct thread *, int); +void linux_proc_exit(void *, struct proc *); +void linux_schedtail(struct thread *); +void linux_proc_exec(void *, struct proc *, struct image_params *); +void linux_thread_dtor(void *arg __unused, struct thread *); +void linux_thread_detach(struct thread *); +int linux_common_execve(struct thread *, struct image_args *); -/* emuldata flags */ +/* process emuldata flags */ #define LINUX_XDEPR_REQUEUEOP 0x00000001 /* uses deprecated futex REQUEUE op*/ +#define LINUX_XUNSUP_EPOLL 0x00000002 /* unsupported epoll events */ +#define LINUX_XUNSUP_FUTEXPIOP 0x00000004 /* uses unsupported pi futex */ -int linux_proc_init(struct thread *, pid_t, int); -void linux_proc_exit(void *, struct proc *); -void linux_schedtail(struct thread *); -void linux_proc_exec(void *, struct proc *, struct image_params *); -void linux_kill_threads(struct thread *, int); +struct linux_pemuldata { + uint32_t flags; /* process emuldata flags */ + struct sx pem_sx; /* lock for this struct */ + void *epoll; /* epoll data */ +}; + +#define LINUX_PEM_XLOCK(p) sx_xlock(&(p)->pem_sx) +#define LINUX_PEM_XUNLOCK(p) sx_xunlock(&(p)->pem_sx) +#define LINUX_PEM_SLOCK(p) sx_slock(&(p)->pem_sx) +#define LINUX_PEM_SUNLOCK(p) sx_sunlock(&(p)->pem_sx) -extern struct sx emul_shared_lock; -extern struct mtx emul_lock; +struct linux_pemuldata *pem_find(struct proc *); #endif /* !_LINUX_EMUL_H_ */ |
