singals patch

SVN revision: 13104

TODO

@@ -31,9 +31,10 @@ ISSUES:
 
 * clock module needs fixing to have right click menu per face
 * clock module should only make 1 clock per container and allow u to enable/disable that clock on that container 
-* same for ibar, temperature and battery modules ad for clock
+* same for ibar, temperature and battery modules
 * pager needs 1 pager face per zone by default (optionally able to be turned off)
 * pager needs to be able to split off each desk in a zone it a different gadget
+* pager right click menu needs to do a lot more (as with clock)
 * initial placement of pager and clock seems wrong (overlap deny code?)
 * gadman overlay deny doesnt work for edge only gadgets
 * gadman gadget menu needs icons :)

src/bin/Makefile.am

@@ -40,7 +40,8 @@ e_resist.h \
 e_startup.h \
 e_iconify.h \
 e_hints.h \
-e_gadman.h
+e_gadman.h \
+e_signals.h
 
 
 enlightenment_SOURCES = \
@@ -75,6 +76,7 @@ e_startup.c \
 e_iconify.c \
 e_hints.c \
 e_gadman.c \
+e_signals.c \
 $(ENLIGHTENMENTHEADERS)
 
 enlightenment_LDFLAGS = -export-dynamic @e_libs@ @dlopen_libs@

src/bin/e_includes.h

@@ -28,3 +28,4 @@
 #include "e_iconify.h"
 #include "e_hints.h"
 #include "e_gadman.h"
+#include "e_signals.h"

src/bin/e_main.c

@@ -19,6 +19,7 @@ static int  _e_main_ipc_shutdown(void);
 
 static void _e_main_cb_x_fatal(void *data);
 static int  _e_main_cb_signal_exit(void *data, int ev_type, void *ev);
+static int  _e_main_cb_signal_hup(void *data, int ev_type, void *ev);
 static int  _e_main_cb_x_flusher(void *data);
 static int  _e_main_cb_idler_before(void *data);
 static int  _e_main_cb_idler_after(void *data);
@@ -57,10 +58,17 @@ main(int argc, char **argv)
    int after_restart = 0; 
    char buf[1024];
    char *s;
-   
+   /* install the signal handlers. */ 
+   struct sigaction sigsegv_action;
+   struct sigaction sighup_action;
+   sigsegv_action.sa_sigaction=&e_sigseg_act;
+   sigsegv_action.sa_flags=0;
+   sigaction(SIGSEGV, &sigsegv_action, NULL);
+
+
    /* for debugging by redirecting stdout of e to a log file to tail */
    setvbuf(stdout, NULL, _IONBF, 0);
-   
+      
    if (getenv("NOSPLASH")) nosplash = 1;
    if (getenv("NOSTARTUP")) nostartup = 1;
    if (getenv("NOWELCOME")) nowelcome = 1;
@@ -128,6 +136,12 @@ main(int argc, char **argv)
 			     "Perhaps you are out of memory?");
 	_e_main_shutdown(-1);
      }
+   if(!ecore_event_handler_add(ECORE_EVENT_SIGNAL_HUP, _e_main_cb_signal_hup, NULL))
+     {
+	e_error_message_show("Enlightenment cannot set up a HUP signal handler.\n"
+                             "Perhaps you are out of memory?");
+	_e_main_shutdown(-1);
+     }
 
    /* an idle enterer to be called before all others */
    _e_main_idle_enterer_before = ecore_idle_enterer_add(_e_main_cb_idler_before, NULL);
@@ -785,6 +799,14 @@ _e_main_cb_signal_exit(void *data, int ev_type, void *ev)
    ecore_main_loop_quit();
    return 1;
 }
+static int
+_e_main_cb_signal_hup(void *data, int ev_type, void *ev)
+{
+   /* called on SIGHUP to restart Enlightenment */
+   printf("RESTART ON!\n");
+   restart = 1;
+   ecore_main_loop_quit();
+}
 
 static int
 _e_main_cb_x_flusher(void *data)
@@ -851,3 +873,4 @@ _e_main_cb_startup_fake_end(void *data)
    e_init_hide();
    return 0;
 }
+

src/bin/e_signals.c

@@ -0,0 +1,23 @@
+/*
+ * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
+ */
+#include "e.h"
+
+/* a tricky little devil, requires e and it's libs to be built
+ * with the -rdynamic flag to GCC for any sort of decent output. 
+ */
+void e_sigseg_act(int x, siginfo_t *info, void *data){
+
+  void *array[255];
+  size_t size;
+  char **strings;
+  size_t i;
+  write(2, "**** SEGMENTATION FAULT ****\n", 29);
+  write(2, "**** Printing Backtrace... *****\n\n", 34);
+  size = backtrace (array, 255);
+  backtrace_symbols_fd(array, size, 2);
+  exit(-11); 
+}
+
+
+     

src/bin/e_signals.h

@@ -0,0 +1,6 @@
+#ifndef E_SIGNALS_H
+#define E_SIGNALS_H
+
+/* signal handler functions for e */
+void e_sigseg_act(int x, siginfo_t *info, void *data);
+#endif