31c31
< __FBSDID("$FreeBSD: head/sys/compat/linux/linux_misc.c 283419 2015-05-24 15:47:15Z dchagin $");
---
> __FBSDID("$FreeBSD: head/sys/compat/linux/linux_misc.c 283421 2015-05-24 15:51:18Z dchagin $");
2199a2200,2231
> #if defined(DEBUG) || defined(KTR)
> /* XXX: can be removed when every ldebug(...) and KTR stuff are removed. */
>
> u_char linux_debug_map[howmany(LINUX_SYS_MAXSYSCALL, sizeof(u_char))];
>
> static int
> linux_debug(int syscall, int toggle, int global)
> {
>
> if (global) {
> char c = toggle ? 0 : 0xff;
>
> memset(linux_debug_map, c, sizeof(linux_debug_map));
> return (0);
> }
> if (syscall < 0 || syscall >= LINUX_SYS_MAXSYSCALL)
> return (EINVAL);
> if (toggle)
> clrbit(linux_debug_map, syscall);
> else
> setbit(linux_debug_map, syscall);
> return (0);
> }
>
> /*
> * Usage: sysctl linux.debug=<syscall_nr>.<0/1>
> *
> * E.g.: sysctl linux.debug=21.0
> *
> * As a special case, syscall "all" will apply to all syscalls globally.
> */
> #define LINUX_MAX_DEBUGSTR 16
2200a2233,2257
> linux_sysctl_debug(SYSCTL_HANDLER_ARGS)
> {
> char value[LINUX_MAX_DEBUGSTR], *p;
> int error, sysc, toggle;
> int global = 0;
>
> value[0] = '\0';
> error = sysctl_handle_string(oidp, value, LINUX_MAX_DEBUGSTR, req);
> if (error || req->newptr == NULL)
> return (error);
> for (p = value; *p != '\0' && *p != '.'; p++);
> if (*p == '\0')
> return (EINVAL);
> *p++ = '\0';
> sysc = strtol(value, NULL, 0);
> toggle = strtol(p, NULL, 0);
> if (strcmp(value, "all") == 0)
> global = 1;
> error = linux_debug(sysc, toggle, global);
> return (error);
> }
>
> #endif /* DEBUG || KTR */
>
> int