xwrits lock hooks patch

diff -u xwrits-2.26/main.c xwrits/main.c--- xwrits-2.26/main.c	2009-04-04 01:17:02.000000000 +0400+++ xwrits/main.c	2010-08-13 13:13:36.344975405 +0400@@ -10,6 +10,7 @@ #ifdef HAVE_XINERAMA #include <X11/extensions/Xinerama.h> #endif+#include <signal.h>  static Options onormal; Options *ocurrent;@@ -63,6 +64,9 @@ static int force_mono = 0; static int multiscreen = 0; +static const char *before_lock_command = 0;+static const char *after_lock_command = 0;+  static void short_usage(void)@@ -757,6 +761,10 @@       ;     else if (optparse(s, "wp", 2, "ss", &o->slideshow_text))       ;+    else if (optparse(s, "before-lock", 1, "ss", &before_lock_command))+      ;+    else if (optparse(s, "after-lock", 1, "ss", &after_lock_command))+      ;      else       short_usage();@@ -1089,6 +1097,32 @@ }  +void fork_and_run(const char* const cmd)+{+	pid_t pid;+	pid = fork();+	if (pid == 0) {+		execl("/bin/sh", "/bin/sh", "-c", cmd, NULL);+		_exit(0);+	}+}++void on_before_lock()+{+	printf("Before lock\n");+	if (before_lock_command) {+		fork_and_run(before_lock_command);+	}+}+void on_after_lock()+{+	printf("After lock\n");+	if (after_lock_command) {+		fork_and_run(after_lock_command);+	}+}++ /* main! */  typedef enum {@@ -1159,7 +1193,9 @@  	  case ST_LOCK: 	    was_lock = 1;+		on_before_lock(); 	    tran = lock();+		on_after_lock(); 	    assert(tran == TRAN_AWAKE || tran == TRAN_FAIL); 	    if (tran == TRAN_AWAKE) 		s = ST_AWAKE;@@ -1198,6 +1234,8 @@   default_settings();   parse_options(argc - 1, argv + 1); +  signal(SIGCLD, SIG_IGN);+   /* At this point, all ports have 'display_name' valid and everything else      invalid. Open displays, check multiscreen */   orig_nports = nports;