From eb24df9749994d175a2de3b7fc0535abe46a7576 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Sun, 13 Mar 2016 20:23:41 -0500 Subject: Split out _xexit() from xexit() and give sigatexit() multiple callbacks. --- lib/lib.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'lib/lib.c') diff --git a/lib/lib.c b/lib/lib.c index 1c1f2248..200f77d6 100644 --- a/lib/lib.c +++ b/lib/lib.c @@ -757,11 +757,24 @@ void generic_signal(int sig) toys.signal = sig; } -// Install the same handler on every signal that defaults to killing the process +void exit_signal(int sig) +{ + toys.exitval = sig|128; + xexit(); +} + +// Install the same handler on every signal that defaults to killing the +// process, and void sigatexit(void *handler) { + struct arg_list *al = xmalloc(sizeof(struct arg_list)); int i; - for (i=0; signames[i].num != SIGCHLD; i++) signal(signames[i].num, handler); + + for (i=0; signames[i].num != SIGCHLD; i++) + signal(signames[i].num, exit_signal); + al->next = toys.xexit; + al->arg = handler; + toys.xexit = al; } // Convert name to signal number. If name == NULL print names. -- cgit v1.2.3