1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 * Copyright (C) 2006 Rob Landley
7 * Copyright (C) 2006 Denys Vlasenko
9 * Licensed under GPL version 2, see file LICENSE in this tarball for details.
14 /* Saves 2 bytes on x86! Oh my... */
15 int sigaction_set(int signum, const struct sigaction *act)
17 return sigaction(signum, act, NULL);
20 int sigprocmask_allsigs(int how)
24 return sigprocmask(how, &set, NULL);
27 void bb_signals(int sigs, void (*f)(int))
42 void bb_signals_recursive(int sigs, void (*f)(int))
48 memset(&sa, 0, sizeof(sa));
51 /*sigemptyset(&sa.sa_mask); - hope memset did it*/
56 sigaction_set(sig_no, &sa);
63 void sig_block(int sig)
68 sigprocmask(SIG_BLOCK, &ss, NULL);
71 void sig_unblock(int sig)
76 sigprocmask(SIG_UNBLOCK, &ss, NULL);
79 void wait_for_any_sig(void)
86 /* Assuming the sig is fatal */
87 void kill_myself_with_sig(int sig)
92 _exit(EXIT_FAILURE); /* Should not reach it */
95 void signal_SA_RESTART_empty_mask(int sig, void (*handler)(int))
98 memset(&sa, 0, sizeof(sa));
99 /*sigemptyset(&sa.sa_mask);*/
100 sa.sa_flags = SA_RESTART;
101 sa.sa_handler = handler;
102 sigaction_set(sig, &sa);
105 void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int))
108 memset(&sa, 0, sizeof(sa));
109 /*sigemptyset(&sa.sa_mask);*/
111 sa.sa_handler = handler;
112 sigaction_set(sig, &sa);