diff options
Diffstat (limited to 'arch/um/include/shared/os.h')
| -rw-r--r-- | arch/um/include/shared/os.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 4a62ac4251a5..506bcd1bca68 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -1,8 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk}) * Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de) * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL */ #ifndef __OS_H__ @@ -36,6 +36,8 @@ #define OS_LIB_PATH "/usr/lib/" #endif +#define OS_SENDMSG_MAX_FDS 8 + /* * types taken from stat_file() in hostfs_user.c * (if they are wrong here, they are wrong there...). @@ -176,6 +178,9 @@ extern unsigned os_major(unsigned long long dev); extern unsigned os_minor(unsigned long long dev); extern unsigned long long os_makedev(unsigned major, unsigned minor); extern int os_falloc_punch(int fd, unsigned long long offset, int count); +extern int os_eventfd(unsigned int initval, int flags); +extern int os_sendmsg_fds(int fd, const void *buf, unsigned int len, + const int *fds, unsigned int fds_num); /* start_up.c */ extern void os_early_checks(void); @@ -232,6 +237,7 @@ extern void block_signals(void); extern void unblock_signals(void); extern int get_signals(void); extern int set_signals(int enable); +extern int set_signals_trace(int enable); extern int os_is_signal_stack(void); extern void deliver_alarm(void); @@ -317,4 +323,10 @@ extern unsigned long os_get_top_address(void); long syscall(long number, ...); +/* irqflags tracing */ +extern void block_signals_trace(void); +extern void unblock_signals_trace(void); +extern void um_trace_signals_on(void); +extern void um_trace_signals_off(void); + #endif |