src/system/libroot/posix/signal/sigwait.cpp

   1 /*
   2  * Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Copyright 2008, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   4  * Distributed under the terms of the MIT License.
   5  */
   6
   7
   8 #include <signal.h>
   9
  10 #include <pthread.h>
  11
  12 #include <symbol_versioning.h>
  13
  14 #include <syscalls.h>
  15
  16 #include <signal_private.h>
  17
  18
  19 int
  20 __sigwait_beos(const sigset_t_beos* beosSet, int* _signal)
  21 {
  22         // convert the given signal set and call the current version
  23         sigset_t set = from_beos_sigset(*beosSet);
  24         int error = __sigwait(&set, _signal);
  25         if (error != 0)
  26                 return error;
  27
  28         // translate SIGBUS to SIGSEGV
  29         if (*_signal == SIGBUS)
  30                 *_signal = SIGSEGV;
  31
  32         return 0;
  33 }
  34
  35
  36 int
  37 __sigwait(const sigset_t* set, int* _signal)
  38 {
  39         siginfo_t info;
  40         status_t error = _kern_sigwait(set, &info, 0, 0);
  41
  42         pthread_testcancel();
  43
  44         if (error != B_OK)
  45                 return error;
  46
  47         *_signal = info.si_signo;
  48         return 0;
  49 }
  50
  51
  52 DEFINE_LIBROOT_KERNEL_SYMBOL_VERSION("__sigwait_beos", "sigwait@", "BASE");
  53
  54 DEFINE_LIBROOT_KERNEL_SYMBOL_VERSION("__sigwait", "sigwait@@", "1_ALPHA4");