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Style fixes to comments.

Browse Source 
Sponsored by:	Google SoC 2006
Submitted by:	rdivacky
Noticed by:	jhb, ssouhlal
This commit is contained in:
Alexander Leidinger 2006-08-16 18:54:51 +00:00
parent c6d0f16db1
commit 0eef2f8a4e
6 changed files with 39 additions and 20 deletions
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3
sys/amd64/linux32/linux.h
View File

@ -766,7 +766,8 @@ struct l_desc_struct {
#define LINUX_LOWERWORD 0x0000ffff
/* macros which does the same thing as those in linux include/asm-um/ldt-i386.h
/*
* macros which does the same thing as those in linux include/asm-um/ldt-i386.h
* these convert linux user-space descriptor to machine one
*/
#define LDT_entry_a(info) \

12
sys/amd64/linux32/linux32_machdep.c
View File

@ -512,7 +512,8 @@ linux_clone(struct thread *td, struct linux_clone_args *args)
p2->p_sigparent = exit_signal;
PROC_UNLOCK(p2);
td2 = FIRST_THREAD_IN_PROC(p2);
/* in a case of stack = NULL we are supposed to COW calling process stack
/*
* in a case of stack = NULL we are supposed to COW calling process stack
* this is what normal fork() does so we just keep the tf_rsp arg intact
*/
if (args->stack)
@ -628,7 +629,8 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args)
if (linux_args->flags & LINUX_MAP_GROWSDOWN) {
bsd_args.flags |= MAP_STACK;
/* The linux MAP_GROWSDOWN option does not limit auto
/*
* The linux MAP_GROWSDOWN option does not limit auto
* growth of the region. Linux mmap with this option
* takes as addr the inital BOS, and as len, the initial
* region size. It can then grow down from addr without
@ -655,7 +657,8 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args)
if ((caddr_t)PTRIN(bsd_args.addr) >
p->p_vmspace->vm_maxsaddr) {
/* Some linux apps will attempt to mmap
/*
* Some linux apps will attempt to mmap
* thread stacks near the top of their
* address space. If their TOS is greater
* than vm_maxsaddr, vm_map_growstack()
@ -683,7 +686,8 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args)
else
bsd_args.len = STACK_SIZE - GUARD_SIZE;
/* This gives us a new BOS. If we're using VM_STACK, then
/*
* This gives us a new BOS. If we're using VM_STACK, then
* mmap will just map the top SGROWSIZ bytes, and let
* the stack grow down to the limit at BOS. If we're
* not using VM_STACK we map the full stack, since we

14
sys/compat/linux/linux_emul.c
View File

@ -110,7 +110,8 @@ linux_proc_init(struct thread *td, pid_t child, int flags)
em->child_clear_tid = NULL;
em->child_set_tid = NULL;
/* allocate the shared struct only in clone()/fork cases
/*
* allocate the shared struct only in clone()/fork cases
* in the case of clone() td = calling proc and child = pid of
* the newly created proc
*/
@ -190,9 +191,10 @@ linux_proc_exit(void *arg __unused, struct proc *p)
cup.uaddr2 = NULL;
cup.val3 = 0;
error = linux_sys_futex(FIRST_THREAD_IN_PROC(p), &cup);
/* this cannot happen at the moment and if this happens
/*
* this cannot happen at the moment and if this happens
* it probably mean there is a userspace bug
*/
*/
if (error)
printf(LMSG("futex stuff in proc_exit failed.\n"));
}
@ -201,7 +203,8 @@ linux_proc_exit(void *arg __unused, struct proc *p)
FREE(em, M_LINUX);
}
/* This is used in a case of transition from FreeBSD binary execing to linux binary
/*
* This is used in a case of transition from FreeBSD binary execing to linux binary
* in this case we create linux emuldata proc entry with the pid of the currently running
* process.
*/
@ -256,7 +259,8 @@ linux_schedtail(void *arg __unused, struct proc *p)
em = em_find(p, EMUL_UNLOCKED);
if (em == NULL) {
/* We might have been called before proc_init for this process so
/*
* We might have been called before proc_init for this process so
* tsleep and be woken up by it. We use p->p_emuldata for this
*/

3
sys/compat/linux/linux_emul.h
View File

@ -38,7 +38,8 @@ struct linux_emuldata_shared {
LIST_HEAD(, linux_emuldata) threads; /* head of list of linux threads */
};
/* modeled after similar structure in NetBSD
/*
* modeled after similar structure in NetBSD
* this will be extended as we need more functionality
*/
struct linux_emuldata {

3
sys/i386/linux/linux.h
View File

@ -729,7 +729,8 @@ struct l_desc_struct {
#define LINUX_LOWERWORD 0x0000ffff
/* macros which does the same thing as those in linux include/asm-um/ldt-i386.h
/*
* macros which does the same thing as those in linux include/asm-um/ldt-i386.h
* these convert linux user-space descriptor to machine one
*/
#define LDT_entry_a(info) \

24
sys/i386/linux/linux_machdep.c
View File

@ -440,7 +440,8 @@ linux_clone(struct thread *td, struct linux_clone_args *args)
p2->p_sigparent = exit_signal;
PROC_UNLOCK(p2);
td2 = FIRST_THREAD_IN_PROC(p2);
/* in a case of stack = NULL we are supposed to COW calling process stack
/*
* in a case of stack = NULL we are supposed to COW calling process stack
* this is what normal fork() does so we just keep the tf_esp arg intact
*/
if (args->stack)
@ -458,7 +459,8 @@ linux_clone(struct thread *td, struct linux_clone_args *args)
idx = info.entry_number;
/* looks like we're getting the idx we returned
/*
* looks like we're getting the idx we returned
* in the set_thread_area() syscall
*/
if (idx != 6 && idx != 3)
@ -606,7 +608,8 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args)
if (linux_args->flags & LINUX_MAP_GROWSDOWN) {
bsd_args.flags |= MAP_STACK;
/* The linux MAP_GROWSDOWN option does not limit auto
/*
* The linux MAP_GROWSDOWN option does not limit auto
* growth of the region. Linux mmap with this option
* takes as addr the inital BOS, and as len, the initial
* region size. It can then grow down from addr without
@ -631,7 +634,8 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args)
bsd_args.addr = linux_args->addr + linux_args->len;
if (bsd_args.addr > p->p_vmspace->vm_maxsaddr) {
/* Some linux apps will attempt to mmap
/*
* Some linux apps will attempt to mmap
* thread stacks near the top of their
* address space. If their TOS is greater
* than vm_maxsaddr, vm_map_growstack()
@ -658,7 +662,8 @@ linux_mmap_common(struct thread *td, struct l_mmap_argv *linux_args)
else
bsd_args.len = STACK_SIZE - GUARD_SIZE;
/* This gives us a new BOS. If we're using VM_STACK, then
/*
* This gives us a new BOS. If we're using VM_STACK, then
* mmap will just map the top SGROWSIZ bytes, and let
* the stack grow down to the limit at BOS. If we're
* not using VM_STACK we map the full stack, since we
@ -994,7 +999,8 @@ linux_set_thread_area(struct thread *td, struct linux_set_thread_area_args *args
#endif
idx = info.entry_number;
/* Semantics of linux version: every thread in the system has array
/*
* Semantics of linux version: every thread in the system has array
* of 3 tls descriptors. 1st is GLIBC TLS, 2nd is WINE, 3rd unknown. This
* syscall loads one of the selected tls decriptors with a value
* and also loads GDT descriptors 6, 7 and 8 with the content of the per-thread
@ -1008,14 +1014,16 @@ linux_set_thread_area(struct thread *td, struct linux_set_thread_area_args *args
* comment in the linux sources says wine might do that.
*/
/* we support just GLIBC TLS now
/*
* we support just GLIBC TLS now
* we should let 3 proceed as well because we use this segment so
* if code does two subsequent calls it should succeed
*/
if (idx != 6 && idx != -1 && idx != 3)
return (EINVAL);
/* we have to copy out the GDT entry we use
/*
* we have to copy out the GDT entry we use
* FreeBSD uses GDT entry #3 for storing %gs so load that
* XXX: what if userspace program doesnt check this value and tries
* to use 6, 7 or 8?