sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 106 insertions, 0 deletions

diff --git a/sim/ucsim/gui.src/serio.src/posix_signal.cc b/sim/ucsim/gui.src/serio.src/posix_signal.cc
new file mode 100644
index 0000000..8183f57
--- /dev/null
+++ b/sim/ucsim/gui.src/serio.src/posix_signal.cc
@@ -0,0 +1,106 @@
+/******************************************************************************
+ * posix_signal.cc - A signal handleing class for linux + solaris             *
+ * to convert posix into somthing easier to use                               *
+ * Tim Hurman - t.hurman@virgin.net                                           *
+ * Last edited on 01th Oct 19999                                              *
+ ******************************************************************************/
+/*
+ * A quick note, fscking linux, none of this would be neccessary if
+ * linux contained support for sighold, sigrelse, sigignore and sigpause.
+ *
+ */
+
+#include <sys/types.h>
+#include <iostream>
+#include <sys/wait.h>   /* header for waitpid() and various macros */
+#include <signal.h>     /* header for signal functions */
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <strings.h>
+#include <errno.h>
+
+#include "posix_signal.hh"
+
+// constructor
+SigHandler::SigHandler()
+{
+}
+
+// destructor
+SigHandler::~SigHandler()
+{
+}
+
+/* set a signal */
+int SigHandler::SetSignal(int SIGNAL, SIG_PF ACTION)
+{
+  struct sigaction act;
+
+  /* declare what is going to be called when */
+  act.sa_handler = ACTION;
+
+  /* clear the structure's mask */
+  sigemptyset(&act.sa_mask);
+
+  /* set up some flags */
+  if(SIGNAL == SIGCHLD) {
+    act.sa_flags = SA_NOCLDSTOP;
+  }
+  
+  /* set the signal handler */
+  if(sigaction(SIGNAL, &act, NULL) < 0)
+    {
+      std::cerr << "sigaction(): " << strerror(errno) << "\n";
+      exit(-1);
+    }
+  
+  /* all ok */
+  return(0);
+}
+
+
+/* block a signal */
+int SigHandler::BlockSignal(int SIGNAL)
+{
+  sigset_t set;
+
+  /* initalise */
+  sigemptyset(&set);
+  
+  /* add the SIGNAL to the set */
+  sigaddset(&set, SIGNAL);
+  
+  /* block it */
+  if(sigprocmask(SIG_BLOCK, &set, NULL) < 0)
+    {
+      std::cerr << "sigprocmask(): " << strerror(errno) << "\n";
+      exit(-1);
+    }
+  
+  /* done */
+  return(0);
+}
+
+
+/* unblock a signal */
+int SigHandler::UnBlockSignal(int SIGNAL)
+{
+  sigset_t set;
+  
+  /* initalise */
+  sigemptyset(&set);
+  
+  /* add the SIGNAL to the set */
+  sigaddset(&set, SIGNAL);
+  
+  /* block it */
+  if(sigprocmask(SIG_UNBLOCK, &set, NULL) < 0)
+    {
+      std::cerr << "sigprocmask(): " << strerror(errno) << "\n";
+      exit(-1);
+    }
+  
+  /* done */
+  return(0);
+}