diff options
Diffstat (limited to 'lib/fatal-signal.c')
| -rw-r--r-- | lib/fatal-signal.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/lib/fatal-signal.c b/lib/fatal-signal.c index 9d795f7..c9153f1 100644 --- a/lib/fatal-signal.c +++ b/lib/fatal-signal.c @@ -1,5 +1,5 @@ /* Emergency actions in case of a fatal signal. - Copyright (C) 2003-2004, 2006-2018 Free Software Foundation, Inc. + Copyright (C) 2003-2004, 2006-2019 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2003. This program is free software: you can redistribute it and/or modify @@ -107,7 +107,7 @@ init_fatal_signals (void) /* ========================================================================= */ -typedef void (*action_t) (void); +typedef _GL_ASYNC_SAFE void (*action_t) (int sig); /* Type of an entry in the actions array. The 'action' field is accessed from within the fatal_signal_handler(), @@ -131,7 +131,7 @@ static struct sigaction saved_sigactions[64]; /* Uninstall the handlers. */ -static void +static _GL_ASYNC_SAFE void uninstall_handlers (void) { size_t i; @@ -148,7 +148,7 @@ uninstall_handlers (void) /* The signal handler. It gets called asynchronously. */ -static void +static _GL_ASYNC_SAFE void fatal_signal_handler (int sig) { for (;;) @@ -162,7 +162,7 @@ fatal_signal_handler (int sig) actions_count = n; action = actions[n].action; /* Execute the action. */ - action (); + action (sig); } /* Now execute the signal's default action. @@ -284,3 +284,20 @@ unblock_fatal_signals (void) init_fatal_signal_set (); sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); } + + +unsigned int +get_fatal_signals (int signals[64]) +{ + init_fatal_signal_set (); + + { + int *p = signals; + size_t i; + + for (i = 0; i < num_fatal_signals; i++) + if (fatal_signals[i] >= 0) + *p++ = fatal_signals[i]; + return p - signals; + } +} |