Files
linux/arch/um/include/shared/longjmp.h
Tiwei Bie 9e5a9f1c9b um: Turn signals_* into thread-local variables
Turn signals_enabled, signals_pending and signals_active into
thread-local variables. This enables us to control and track
signals independently on each CPU thread. This is a preparation
for adding SMP support.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20251027001815.1666872-3-tiwei.bie@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-10-27 16:41:15 +01:00

24 lines
450 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UML_LONGJMP_H
#define __UML_LONGJMP_H
#include <sysdep/archsetjmp.h>
#include <os.h>
extern int setjmp(jmp_buf);
extern void longjmp(jmp_buf, int);
#define UML_LONGJMP(buf, val) do { \
longjmp(*buf, val); \
} while(0)
#define UML_SETJMP(buf) ({ \
int n, enable; \
enable = um_get_signals(); \
n = setjmp(*buf); \
if(n != 0) \
um_set_signals_trace(enable); \
n; })
#endif