Lines Matching +full:irq +full:- +full:signals

1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk})
6  * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
15 #include <as-layout.h>
45 	/* enable signals if sig isn't IRQ signal */  in sig_handler_common()
55  * These are the asynchronous signals.  SIGPROF is excluded because we want to
56  * be able to profile all of UML, not just the non-critical sections.  If
57  * profiling is not thread-safe, then that is not my problem.  We can disable
81 		 * In TT_MODE_EXTERNAL, need to still call time-travel  in sig_handler()
82 		 * handlers unless signals are also blocked for the  in sig_handler()
180 	mcontext_t *mc = &uc->uc_mcontext;  in hard_handler()
204 			sig--;  in hard_handler()
210 		 * Again, pending comes back with a mask of signals  in hard_handler()
212 		 * is non-zero, we just go back, set up the stack  in hard_handler()
228 	/* block irq ones */  in set_handler()
238 		flags |= SA_RESTART; /* if it's an irq signal */  in set_handler()
243 		panic("sigaction failed - errno = %d\n", errno);  in set_handler()
248 		panic("sigprocmask failed - errno = %d\n", errno);  in set_handler()
263 		return -errno;  in change_sig()
272 	 * This must return with signals disabled, so this barrier  in block_signals()
293 	 * We loop because the IRQ handler returns with interrupts off.  So,  in unblock_signals()
294 	 * interrupts may have arrived and we need to re-enable them and  in unblock_signals()
299 		 * Save and reset save_pending after enabling signals.  This  in unblock_signals()
314 		 * We have pending interrupts, so disable signals, as the  in unblock_signals()
319 		 * pending signals will mess up the tracing state.  in unblock_signals()
345 		/* Re-enable signals and trace that we're doing so. */  in unblock_signals()
407 		/* we need to run time-travel handlers even if not enabled */  in unblock_signals_hard()