diff options
Diffstat (limited to 'winsup/cygwin/signal.cc')
| -rw-r--r-- | winsup/cygwin/signal.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/winsup/cygwin/signal.cc b/winsup/cygwin/signal.cc index 652348302..3d9789d8c 100644 --- a/winsup/cygwin/signal.cc +++ b/winsup/cygwin/signal.cc @@ -13,6 +13,7 @@ details. */ #include "winsup.h" #include <errno.h> +#include <stdlib.h> #include "cygerrno.h" #include <sys/cygwin.h> #include "sync.h" @@ -190,6 +191,7 @@ _raise (int sig) int _kill (pid_t pid, int sig) { + sigframe thisframe (mainthread); syscall_printf ("kill (%d, %d)", pid, sig); /* check that sig is in right range */ if (sig < 0 || sig >= NSIG) @@ -214,6 +216,7 @@ kill_pgrp (pid_t pid, int sig) int res = 0; int found = 0; int killself = 0; + sigframe thisframe (mainthread); sigproc_printf ("pid %d, signal %d", pid, sig); @@ -257,6 +260,31 @@ killpg (pid_t pgrp, int sig) return _kill (-pgrp, sig); } +extern "C" void +abort (void) +{ + sigframe thisframe (mainthread); + /* Flush all streams as per SUSv2. + From my reading of this document, this isn't strictly correct. + The streams are supposed to be flushed prior to exit. However, + if there is I/O in any signal handler that will not necessarily + be flushed. + However this is the way FreeBSD does it, and it is much easier to + do things this way, so... */ + if (_reent_clib ()->__cleanup) + _reent_clib ()->__cleanup (_reent_clib ()); + + /* Ensure that SIGABRT can be caught regardless of blockage. */ + sigset_t sig_mask; + sigfillset (&sig_mask); + sigdelset (&sig_mask, SIGABRT); + set_process_mask (sig_mask); + + _raise (SIGABRT); + (void) thisframe.call_signal_handler (); /* Call any signal handler */ + do_exit (1); /* signal handler didn't exit. Goodbye. */ +} + extern "C" int sigaction (int sig, const struct sigaction *newact, struct sigaction *oldact) { |