FBSD: Use syscall "helper" functions

syscall_register/syscall_deregister were effectively removed in
r329647. Use syscall_helper_register/syscall_helper_unregister
instead, which have existed since r205321 in FreeBSD 9.

Change-Id: I2d5e3101024a44c18395d7eb95c644df6005e0aa
Reviewed-on: https://gerrit.openafs.org/13858
Reviewed-by: Tim Creech <tcreech@tcreech.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
This commit is contained in:
Tim Creech 2019-08-29 21:55:05 -04:00 committed by Benjamin Kaduk
parent 3bc541743b
commit 2add334454
2 changed files with 17 additions and 21 deletions

View File

@ -20,28 +20,26 @@ int afs_pbuf_freecnt = -1;
extern int Afs_xsetgroups();
extern int afs_xioctl();
static struct sysent old_sysent;
static struct sysent afs_sysent = {
5, /* int sy_narg */
(sy_call_t *) afs3_syscall, /* sy_call_t *sy_call */
AUE_NULL, /* au_event_t sy_auevent */
NULL, /* systrace_args_funt_t sy_systrace_args_func */
0, /* u_int32_t sy_entry */
0, /* u_int32_t sy_return */
0, /* u_int32_t sy_flags */
0 /* u_int32_t sy_thrcnt */
static struct syscall_helper_data afs_syscalls[] = {
{
.syscall_no = AFS_SYSCALL,
.new_sysent = {
.sy_narg = 5,
.sy_call = (sy_call_t *)afs3_syscall,
.sy_auevent = AUE_NULL,
},
},
SYSCALL_INIT_LAST
};
static int
afs_init(struct vfsconf *vfc)
{
int code;
int offset = AFS_SYSCALL;
#if defined(FBSD_SYSCALL_REGISTER_FOUR_ARGS)
code = syscall_register(&offset, &afs_sysent, &old_sysent, 0);
#if defined(FBSD_SYSCALL_REGISTER_TAKES_FLAGS)
code = syscall_helper_register(afs_syscalls, 0);
#else
code = syscall_register(&offset, &afs_sysent, &old_sysent);
code = syscall_helper_register(afs_syscalls);
#endif
if (code) {
printf("AFS_SYSCALL in use, error %i. aborting\n", code);
@ -55,12 +53,10 @@ afs_init(struct vfsconf *vfc)
static int
afs_uninit(struct vfsconf *vfc)
{
int offset = AFS_SYSCALL;
if (afs_globalVFS)
return EBUSY;
syscall_deregister(&offset, &old_sysent);
return 0;
return syscall_helper_unregister(afs_syscalls);
}
static int

View File

@ -115,9 +115,9 @@ enum vcexcl { NONEXCL, EXCL };
#define FBSD_IFA_IFWITHNET_THREE_ARGS
#endif
/* r273707 added a flags argument to syscall_register() */
/* r273707 added a flags argument to syscall_register/syscall_helper_register */
#if __FreeBSD_version >= 1100041
#define FBSD_SYSCALL_REGISTER_FOUR_ARGS
#define FBSD_SYSCALL_REGISTER_TAKES_FLAGS
#endif
/* r285819 eliminated b_saveaddr from struct buf */