xref: /haiku/src/system/libroot/posix/signal/sigaltstack.c (revision 0d452c8f34013b611a54c746a71c05e28796eae2)
1 /*
2  * Copyright 2007, Axel Dörfler, axeld@pinc-software.de.
3  * Distributed under the terms of the MIT License.
4  */
5 
6 
7 #include <errno.h>
8 #include <signal.h>
9 
10 #include <syscalls.h>
11 
12 
13 int
14 sigaltstack(const stack_t *alternateStack, stack_t *oldAlternateStack)
15 {
16 	status_t status =_kern_set_signal_stack(alternateStack, oldAlternateStack);
17 	if (status < B_OK) {
18 		errno = status;
19 		return -1;
20 	}
21 
22 	return 0;
23 }
24