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>
44 	/* enable signals if sig isn't IRQ signal */  in sig_handler_common()
54  * These are the asynchronous signals.  SIGPROF is excluded because we want to
55  * be able to profile all of UML, not just the non-critical sections.  If
56  * profiling is not thread-safe, then that is not my problem.  We can disable
132 		.ss_size = size - sizeof(void *)  in set_sigstack()
166 	mcontext_t *mc = &uc->uc_mcontext;  in hard_handler()
190 			sig--;  in hard_handler()
196 		 * Again, pending comes back with a mask of signals  in hard_handler()
198 		 * is non-zero, we just go back, set up the stack  in hard_handler()
214 	/* block irq ones */  in set_handler()
224 		flags |= SA_RESTART; /* if it's an irq signal */  in set_handler()
229 		panic("sigaction failed - errno = %d\n", errno);  in set_handler()
234 		panic("sigprocmask failed - errno = %d\n", errno);  in set_handler()
244 		return -errno;  in change_sig()
253 	 * This must return with signals disabled, so this barrier  in block_signals()
271 	 * We loop because the IRQ handler returns with interrupts off.  So,  in unblock_signals()
272 	 * interrupts may have arrived and we need to re-enable them and  in unblock_signals()
277 		 * Save and reset save_pending after enabling signals.  This  in unblock_signals()
292 		 * We have pending interrupts, so disable signals, as the  in unblock_signals()
297 		 * pending signals will mess up the tracing state.  in unblock_signals()
323 		/* Re-enable signals and trace that we're doing so. */  in unblock_signals()