src/system/libroot/posix/signal/set_signal_stack.c

   1 /*
   2  * Copyright 2007, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <OS.h>
   8
   9 #include <errno.h>
  10
  11 #include <errno_private.h>
  12 #include <syscalls.h>
  13
  14
  15 void
  16 set_signal_stack(void *ptr, size_t size)
  17 {
  18         stack_t alternateStack;
  19         status_t status;
  20
  21         alternateStack.ss_sp = ptr;
  22         alternateStack.ss_size = size;
  23         alternateStack.ss_flags = 0;
  24
  25         status = _kern_set_signal_stack(&alternateStack, NULL);
  26         if (status < B_OK)
  27                 __set_errno(status);
  28 }
  29
  30