многонитковость, списки, очереди, файлы

bash/xwm_test/xwm_test.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+export ID_WIN="$(xwininfo | grep "Window id" | cut -d\" -f2)"
+echo $ID_WIN
+x=1
+wmctrl -r "$ID_WIN" -e 1,-1,-1,1,1;
+time for i in `seq 1024`;do (( x++ ));wmctrl -r "$ID_WIN" -e 1,0,0,$x,$x;done
+

c/fopen_too_many_files/fopen_too_many_files.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[])
+{
+	int i;
+
+	for (i = 0; i < 65536; i++)
+		if (!fopen("fopen_too_many_files.c", "rb")) {
+			printf("ulimit = %d\n", i);
+			break;
+		}
+
+	printf("Hello, world!\n");
+
+	return EXIT_SUCCESS;
+}

c/fork_ex/fork_address_space.c

@@ -0,0 +1,16 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[])
+{
+	int a;
+
+	for (a = 0; a < 3; a++)
+		fork();
+
+	printf("%lu\n", (unsigned long)&a);
+
+	return EXIT_SUCCESS;
+}
+

c/liblist/examples/Makefile

@@ -0,0 +1,49 @@
+# Makefile for generic linked list examples.
+#
+# Last edited: Tue Jul 28 15:36:13 1992 by bcs (Bradley C. Spatz) on wasp
+#
+# Copyright (C) 1992 Bradley C. Spatz, bcs@ufl.edu
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#
+#CC	= /local/bin/gcc
+#CFLAGS	= $(INCLUDES) -fstrength-reduce -finline-functions
+PACKAGE_VERSION=2.3.1
+CFLAGS	+= $(INCLUDES)
+INCLUDES= -I..
+LIBS	= -L.. -llist
+#LIBS	= -L .. -llist   # Use this for HP-UX; great loader guys!
+#add macro for ranlib 4/96 *kob* - ranlib doesn't exist on solaris
+RANLIB = ls
+#
+all:		listtest queuetest stacktest
+		(cd cache; make)
+
+listtest:	listtest.o ../liblist.a
+		$(CC) $(CFLAGS) -o listtest listtest.o $(LIBS)
+
+queuetest:	queuetest.o ../liblist.a
+		$(CC) $(CFLAGS) -o queuetest queuetest.o $(LIBS)
+
+stacktest:	stacktest.o ../liblist.a
+		$(CC) $(CFLAGS) -o stacktest stacktest.o $(LIBS)
+
+listtest.o:	../list.h
+queuetest.o:	../queue.h
+stacktest.o:	../stack.h
+clean:
+		rm -f listtest queuetest stacktest *.o core
+		(cd cache; make clean)

c/liblist/examples/cache/cache.c

@@ -0,0 +1,146 @@
+/* cache.c -- routines to implement a generic, list(3)-based cache package.
+ *
+ * Last edited: Tue Jul 28 15:41:47 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * We define the following routines here:
+ *
+ *    CACHE *cache_init(max_elements)
+ *    char *cache_enter(cache, data, bytes, removed)
+ *    char *cache_check(cache, data, match)
+ *    void cache_free(cache, dealloc)
+ *
+ * for
+ *
+ *    CACHE *cache;
+ *    char *data;
+ *    int max_elements, max_size, bytes;
+ *    char **removed;
+ *    int match(data, curr)
+ *       char *data;
+ *       char *curr;
+ *    void dealloc(data)
+ *       char *data;
+ *
+ * We base this package on the list(3) package.
+ *
+ * Keep a data structure that is essentially a list.  We'll add new
+ * elements to the front of the list and remove old elements from the end
+ * of the list.  We'll optimize searches for MRU (Most Recently Used) and
+ * we'll dispose of elements when we need space by using LRU.  Finally,
+ * we'll always promote the element on a hit to the front of the list.
+ * 
+ * We'll allow the user to control the size of the cache in terms of
+ * cache elements.  This limit will be determined at cache creation.
+ */
+
+static char brag[] = "$$Version: cache " "PACKAGE_VERSION" " Copyright (C) 1992 Bradley C. Spatz";
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "cache.h"
+
+CACHE *cache_init(int max_elements)
+{
+   CACHE *new_cache;
+
+   /* Allocate, initialize, and return a new cache.   Return NULL if
+    * the malloc or list initialization fails.
+    */
+   if ((new_cache = (CACHE *) malloc(sizeof(CACHE))) == NULL) {
+      return(NULL);
+   }
+   new_cache->max_elements = max_elements;
+   if ((new_cache->list = list_init()) == NULL) {
+      /* The list creation fragged, so release the cache descriptor. */
+      free(new_cache);
+      return(NULL);
+   }
+
+   return(new_cache);
+}
+
+
+void *cache_enter(CACHE *cache, void *data, int bytes, void **removed)
+{
+   char *new_element;
+
+   /* Add a new element to the front of our list.  This is easy, because
+    * we're using the list(3) package; our intentions exactly.
+    * Try and add the new element.  If that succeeds, then check for a
+    * full cache.  If full, remove the element at the rear of the list.
+    * We return a pointer to the newly inserted element or NULL if the
+    * insert failed.  We also return a pointer to the removed element
+    * if we did indeed remove one.
+    */
+   *removed = NULL;
+   new_element = list_insert_before(cache->list, data, bytes);
+   if (new_element != NULL) {
+      if (list_size(cache->list) > cache->max_elements) {
+	 *removed = (char *) list_remove_rear(cache->list);
+      }
+   }
+
+   return(new_element);
+}
+
+
+void *cache_check(CACHE *cache, void *data, cache_match_func_t match)
+{
+   char *found;
+
+   /* Check for an empty cache. */
+   if (list_size(cache->list) == 0) {
+      return(NULL);
+   }
+
+   /* Ok.  Search the list for the element, starting from the front
+    * of our list.  If the traversal finds the element, then promote it to
+    * the front if it's not already there, and return a pointer to the element.
+    * Otherwise, return NULL.  In either case, make sure to reset the
+    * current element pointer back to the front of the list.
+    */
+   if (list_traverse(cache->list, data, match,
+		     (LIST_FRNT | LIST_FORW | LIST_ALTR)) == LIST_OK) {
+      /* We found what we're looking for. */
+      if (list_curr(cache->list) != list_front(cache->list)) {
+	 fprintf(stderr, "cache_check: moving found to front.\n");
+	 found = (char *) list_remove_curr(cache->list);
+	 list_mvfront(cache->list);
+	 list_insert_before(cache->list, found, 0);
+	 return(found);
+      }
+      else {
+	 return(list_front(cache->list));
+      }
+   }
+   else {
+      /* We did not find the element. */
+      list_mvfront(cache->list);
+      return(NULL);
+   }
+}
+
+
+void cache_free(CACHE *cache, cache_dealloc_func_t dealloc)
+{
+   /* First free up the list, and then the cache descriptor. */
+   list_free(cache->list, dealloc);
+   free(cache);
+}

c/liblist/examples/cache/cachetest.c

@@ -0,0 +1,131 @@
+/* cachetest.c -- test program for generic cache package
+ *
+ * Last edited: Tue Jul 28 15:42:57 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+static char brag[] = "$$Version: cachetest " "PACKAGE_VERSION" " Copyright (C) 1992 Bradley C. Spatz";
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "cache.h"
+
+#define MAX_ELEMENTS 3
+
+int match();
+
+main()
+{
+   CACHE *cache;
+   char cmd[2];
+   int val, *pval;
+
+   /* Print some instructions. */
+   printf("This program demonstrates the various cache manipulation\n");
+   printf("routines supplied by this package.  Although this program\n");
+   printf("manipulates a cache of integers, data of any type and size\n");
+   printf("(and not just integers) are supported by the routines.  See\n");
+   printf("the man page for more information.\n\n");
+   printf("We illustrate a cache with a maximum size of 3 entries.\n\n");
+
+   /* Allocate a new cache. */
+   cache = cache_init(MAX_ELEMENTS);
+   print_cache(cache);
+
+   /* Get some commands. */
+   printf("\n(e)nter new element, (c)heck for element; (q)uit: ");
+   while (scanf("%1s", cmd) != EOF) {
+      switch (cmd[0]) {
+         case 'e':
+	    printf("Value (int) to enter: ");
+	    if (scanf("%d", &val)) {
+	       /* We ignore the return code here, but in practice, 
+		* we may fail (with a return code of NULL).
+		*/
+	       cache_enter(cache, &val, sizeof(val), (void **)&pval);
+	       if (pval != NULL) {
+		  printf("%d was removed to make room.\n", *pval);
+	       }
+	    }
+            break;
+	 case 'c':
+	    printf("Value (int) to check for: ");
+	    if (scanf("%d", &val)) {
+	       pval = (int *) cache_check(cache, (char *) &val, match);
+	       if (pval != NULL) {
+		  printf("%d found!\n", *pval);
+	       }
+	       else {
+		  printf("Not found.\n");
+	       }
+	    }
+	    break;
+	 case 'q':
+	    cache_free(cache, CACHE_DEALLOC);
+	    exit(0);
+	    break;
+         default:
+	    printf("'%s' not a recognized command!\n", cmd);
+	    break;
+      }
+      print_cache(cache);
+      printf("\n(e)nter new element, (c)heck for element; (q)uit: ");
+   }
+
+   exit(0);
+}
+
+
+/* Provide a routine to return FALSE (0) if the current element in the cache,
+ * curr, is equal to the element we are searching for, data.  We return
+ * FALSE, instead of TRUE, because we will use the list_traverse function.
+ * That function continues if the user-supplied function is TRUE.  We want
+ * to stop when we've found our element.
+ */
+int match(data, curr)
+char *data;
+char *curr;
+{
+   return(((*(int *) data) == (*(int *) curr)) ? FALSE : TRUE);
+}
+
+
+/* The following routines make know that the cache is implemented with
+ * the list(3) package.  It makes knowledge of the CACHE structure as
+ * well.  We do this here for illustration only.
+ */
+int print_element(input, curr)
+char *input;
+char *curr;
+{
+   printf(" %d", *(int *) curr);
+   return(TRUE);
+}
+
+print_cache(cache)
+CACHE *cache;
+{
+   printf("Cache:");
+   if (list_empty(cache->list))
+      printf(" (empty).\n");
+   else {
+      list_traverse(cache->list, (char *) 0, print_element,
+		    (LIST_FRNT | LIST_FORW | LIST_SAVE));
+      printf(".\n");
+   }
+}

c/liblist/examples/listtest.c

@@ -0,0 +1,287 @@
+/* listtest.c -- test program for generic list package
+ *
+ * Last edited: Tue Jul 28 15:37:21 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+static char brag[] = "$$Version: listtest " "PACKAGE_VERSION" " Copyright (C) 1992 Bradley C. Spatz";
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "../list.h"
+
+main()
+{
+   LIST *list;
+   char cmd[2];
+   int val, *pval;
+
+   /* Print some instructions. */
+   printf("This program demonstrates the various list manipulation\n");
+   printf("routines supplied by this package.  Although this program\n");
+   printf("manipulates a list of integers, data of any type and size\n");
+   printf("(and not just integers) are supported by the routines.  See\n");
+   printf("the man page for more information.\n\n");
+
+   /* Allocate a new list. */
+   list = list_init();
+   printf("Curr = (nil).\n");
+   print_list(list);
+
+   /* Get some commands. */
+   printf("\n(i)nsert, (r)emove; (m)ove, (f)ront/r(e)ear, (t)raverse, (s)ize, (q)uit: ");
+   while (scanf("%1s", cmd) != EOF) {
+      switch (cmd[0]) {
+         case 'i':
+	     do_insert(list);
+             break;
+	 case 'r':
+	    do_remove(list);
+	    break;
+         case 'm':
+	    do_move(list);
+	    break;
+         case 'f':
+            pval = (int *) list_front(list);
+	    if (pval == NULL)
+	       printf("Front = (nil)\n");
+	    else
+	       printf("Front = %d\n", *pval);
+	    break;
+         case 'e':
+            pval = (int *) list_rear(list);
+	    if (pval == NULL)
+	       printf("Rear = (nil)\n");
+	    else
+	       printf("Rear = %d\n", *pval);
+	    break;
+         case 't':
+	    do_traverse(list);
+	    break;
+         case 's':
+	    printf("List has %d elements.\n", list_size(list));
+	    break;
+	 case 'q':
+	    list_free(list, LIST_DEALLOC);
+	    exit(0);
+	    break;
+         default:
+	    printf("'%s' not a recognized command!\n", cmd);
+	    break;
+      }
+      pval = (int *) list_curr(list);
+      if (pval == NULL)
+	 printf("Curr = (nil)\n");
+      else
+	 printf("Curr = %d\n", *pval);
+      print_list(list);
+      printf("\n(i)nsert, (r)emove; (m)ove, (f)ront/r(e)ear, (t)raverse, (s)ize, (q)uit: ");
+   }
+
+   exit(0);
+}
+
+
+do_insert(list)
+LIST *list;
+{
+   char cmd[2];
+   int val, *bogus;
+
+   printf("insert (b)efore or (a)after: ");
+   scanf("%1s", cmd);
+   switch (cmd[0]) {
+      case 'b':
+	 printf("Value (int) to insert before: ");
+	 if (scanf("%d", &val))
+	    /* We ignore the return code here, but in practice, 
+	     * we may fail (with a return code of NULL).
+	     */
+	    list_insert_before(list, &val, sizeof(val));
+	 break;
+      case 'a':
+         printf("Value (int) to insert after: ");
+	 if (scanf("%d", &val))
+	    /* We ignore the return code here, but in practice,
+	     * we may fail (with a return code of NULL).
+	     */
+	    list_insert_after(list, &val, sizeof(val));
+	 break;
+      default:
+         printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+   }
+}
+
+
+do_remove(list)
+LIST *list;
+{
+   char cmd[2];
+   int *pval;
+   
+   printf("remove (f)ront, (c)urr, or (r)ear: ");
+   scanf("%1s", cmd);
+   switch (cmd[0]) {
+      case 'f':
+	 pval = (int *) list_remove_front(list);
+	 break;
+      case 'c':
+	 pval = (int *) list_remove_curr(list);
+	 break;
+      case 'r':
+	 pval = (int *) list_remove_rear(list);
+	 break;
+      default:
+         printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+   }
+
+   if (pval == NULL)
+      printf("List is empty!\n");
+   else
+      printf("%d removed.\n", *pval);
+}
+
+
+do_move(list)
+LIST *list;
+{
+   char cmd[2];
+
+   printf("move to (p)revious, (n)ext, (f)ront, or (r)ear: ");
+   scanf("%1s", cmd);
+   switch (cmd[0]) {
+      case 'p':
+	 if (list_mvprev(list) == NULL)
+	    printf("No previous element!\n");
+	 break;
+      case 'n':
+	 if (list_mvnext(list) == NULL)
+	    printf("No next element!\n");
+	 break;
+      case 'f':
+	 /* We ignore the return code here. */
+	 list_mvfront(list);
+	 break;
+      case 'r':
+	 /* We ignore the return code here. */
+	 list_mvrear(list);
+	 break;
+      default:
+         printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+   }
+}
+
+
+/* Routine to print the integer stored at each node.  In this example,
+ * we ignore the first parameter, which might be useful if we were
+ * searching the list or something.  We must return 0 or 1, so we always
+ * return 1.
+ */
+int print_element(input, curr)
+char *input;
+char *curr;
+{
+   printf(" %d", *(int *) curr);
+   return(TRUE);
+}
+
+
+do_traverse(list)
+LIST *list;
+{
+   char cmd[2];
+   int opts=0, rc;
+
+   printf("traverse from (f)ront, (r)ear, or (c)urrent element: ");
+   scanf("%1s", cmd);
+   switch (cmd[0]) {
+      case 'f':
+         opts = (opts | LIST_FRNT);
+	 break;
+      case 'r':
+         opts = (opts | LIST_REAR);
+	 break;
+      case 'c':
+         opts = (opts | LIST_CURR);
+	 break;
+      default:
+         printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+   }
+
+   if (cmd[0] == 'c') {
+      printf("traverse (f)orwards or (b)ackwards: ");
+      scanf("%1s", cmd);
+      switch (cmd[0]) {
+         case 'f':
+            opts = (opts | LIST_FORW);
+	    break;
+         case 'b':
+            opts = (opts | LIST_BACK);
+	    break;
+         default:
+            printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+      }
+   }
+
+   printf("(a)lter or (p)reserve the current element pointer: ");
+   scanf("%1s", cmd);
+   switch (cmd[0]) {
+      case 'a':
+         opts = (opts | LIST_ALTR);
+	 break;
+      case 'p':
+         opts = (opts | LIST_SAVE);
+	 break;
+      default:
+         printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+   }
+
+   printf("Traversal: ");
+   rc = list_traverse(list, (char *) 0, print_element, opts);
+   switch (rc) {
+      case LIST_EMPTY:
+         printf("(empty).\n");
+         break;
+      case LIST_OK:
+         printf(".\n");
+         break;
+      case LIST_EXTENT:
+         printf(". (extent reached)\n");
+         break;
+      default:
+         printf("%c not recognized.  Returning to main menu.\n", cmd[0]);
+   }
+}
+
+
+/* Routine to print a list of integers, using the traversal function.
+ * In this example, we send NULL for the second parameter, which might be
+ * used to specify an element to search for.
+ */
+print_list(list)
+LIST *list;
+{
+   printf("List:");
+   if (list_empty(list))
+      printf(" (empty).\n");
+   else {
+      list_traverse(list, (char *) 0, print_element,
+		    (LIST_FRNT | LIST_FORW | LIST_SAVE));
+      printf(".\n");
+   }
+}

c/liblist/examples/queuetest.c

@@ -0,0 +1,120 @@
+/* queuetest.c -- test program for generic queue package.
+ * 
+ * Last edited: Tue Jul 28 15:38:58 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+static char brag[] = "$$Version: queuetest " "PACKAGE_VERSION" " Copyright (C) 1992 Bradley C. Spatz";
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "../queue.h"
+
+main()
+{
+   QUEUE *q;
+   char cmd;
+   int val, *pval;
+
+   /* Print some instructions. */
+   printf("This program demonstrates the various queue manipulation\n");
+   printf("routines supplied by this package.  Although this program\n");
+   printf("manipulates a queue of integers, data of any type and size\n");
+   printf("(and not just integers) are supported by the routines.  See\n");
+   printf("the man page for more information.\n\n");
+
+   /* Allocate a new queue. */
+   q = q_init();
+   print_queue(q);
+
+   /* Get some commands. */
+   printf("(e)nqueue, (d)equeue, (f)ront, (s)ize, (c)heck, (q)uit: ");
+   while (scanf("%1s", &cmd) != EOF) {
+      switch (cmd) {
+	 case 'e':
+	    printf("Value (int) to enqueue: ");
+	    if (scanf("%d", &val))
+	       /* We ignore the return code here, butin practice, we may
+		* fail (with a return code of 0).
+		*/
+	       q_enqueue(q, &val, sizeof(val));
+	    break;
+	 case 'd':
+	    pval = (int *) q_dequeue(q);
+	    if (pval != NULL)
+	       printf("%d dequeued.\n", *pval);
+	    else
+	       printf("Queue is empty!\n");
+	    break;
+	 case 'f':
+	    pval = (int *) q_front(q);
+	    if (pval == NULL) 
+	       printf("Queue is empty!\n");
+	    else
+	       printf("%d at front.\n", *pval);
+	    break;
+	 case 's':
+	    val = q_size(q);
+	    printf("Queue has %d element%s.\n", val, ((val == 1) ? "" : "s"));
+	    break;
+	 case 'c':
+	    printf("Queue is%s empty.\n", (q_empty(q) ? "" : " not"));
+	    break;
+	 case 'q':
+	    q_free(q, QUEUE_DEALLOC);
+	    exit(0);
+	    break;
+         default:
+	    printf("'%c' not a recognized command!\n", cmd);
+	    break;
+      }
+      print_queue(q);
+      printf("\n(e)nqueue, (d)equeue, (f)ront, (s)ize, (c)heck, (q)uit: ");
+   }
+
+   exit(0);
+}
+
+
+/* Routine to print the integer stored at each node.  In this example,
+ * we ignore the first parameter, which might be useful if we were
+ * searching the list or something.  We must return 0 or 1, so we always
+ * return 1.
+ */
+int print_element(input, curr)
+char *input;
+char *curr;
+{
+   printf(" %d", *(int *) curr);
+   return(TRUE);
+}
+
+
+/* Routine to print a queue of integers. */
+print_queue(queue)
+QUEUE *queue;
+{
+   printf("Queue: ");
+   if (q_empty(queue))
+      printf("(empty)\n");
+   else {
+      list_traverse(queue, (char *) 0, print_element,
+		    (LIST_FRNT | LIST_FORW | LIST_SAVE));
+      printf("\n");
+   }
+}

c/liblist/examples/stacktest.c

@@ -0,0 +1,120 @@
+/* stacktest.c -- test program for generic stack package
+ *
+ * Last edited: Tue Jul 28 15:38:19 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+static char brag[] = "$$Version: stacktest " "PACKAGE_VERSION" " Copyright (C) 1992 Bradley C. Spatz";
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "../stack.h"
+
+main()
+{
+   STACK *stack;
+   char cmd;
+   int val, *pval;
+
+   /* Print some instructions. */
+   printf("This program demonstrates the various stack manipulation\n");
+   printf("routines supplied by this package.  Although this program\n");
+   printf("manipulates a stack of integers, data of any type and size\n");
+   printf("(and not just integers) are supported by the routines.  See\n");
+   printf("the man page for more information.\n\n");
+
+   /* Allocate a new stack. */
+   stack = stack_init();
+   print_stack(stack);
+
+   /* Get some commands. */
+   printf("(p)ush, p(o)p, (t)op, (s)ize, (c)heck, (q)uit: ");
+   while (scanf("%1s", &cmd) != EOF) {
+      switch (cmd) {
+	 case 'p':
+	    printf("Value (int) to push: ");
+	    if (scanf("%d", &val))
+	       /* We ignore the return code here, but in practice, we may
+		* fail (with a return code of NULL).
+                */
+	       stack_push(stack, &val, sizeof(val));
+	    break;
+	 case 'o':
+	    pval = (int *) stack_pop(stack);
+	    if (pval != NULL)
+	       printf("%d popped.\n", *pval);
+	    else
+	       printf("Stack is empty!\n");
+	    break;
+	 case 't':
+	    pval = (int *) stack_top(stack);
+	    if (pval == NULL) 
+	       printf("Stack is empty!\n");
+	    else
+	       printf("%d on top.\n", *pval);
+	    break;
+	 case 's':
+	    val = stack_size(stack);
+	    printf("Stack has %d element%s.\n", val, ((val == 1) ? "":"s"));
+	    break;
+	 case 'c':
+	    printf("Stack is%s empty.\n", (stack_empty(stack) ? "" : " not"));
+	    break;
+	 case 'q':
+	    stack_free(stack, STACK_DEALLOC);
+	    exit(0);
+	    break;
+         default:
+	    printf("'%c' not a recognized command!\n", cmd);
+	    break;
+      }
+      print_stack(stack);
+      printf("\n(p)ush, p(o)p, (t)op, (s)ize, (c)heck, (q)uit: ");
+   }
+
+   exit(0);
+}
+
+
+/* Routine to print the integer stored at each node.  In this example,
+ * we ignore the first parameter, which might be useful if we were
+ * searching the list or something.  We must return 0 or 1, so we always
+ * return 1.
+ */
+int print_element(input, curr)
+char *input;
+char *curr;
+{
+   printf(" %d", *(int *) curr);
+   return(TRUE);
+}
+
+
+/* Routine to print a stack of integers. */
+print_stack(stack)
+STACK *stack;
+{
+   printf("Stack: ");
+   if (stack_empty(stack))
+      printf("(empty)\n");
+   else {
+      list_traverse(stack, (char *) 0, print_element,
+		    (LIST_FRNT | LIST_FORW | LIST_SAVE));
+      printf("\n");
+   }
+}

c/liblist/list.h

@@ -0,0 +1,101 @@
+/* list.h -- data structures and such for generic list package
+ * 
+ * Last edited: Tue Jul 28 15:29:56 1992 by bcs (Bradley C. Spatz) on wasp
+ * Updated by Nathan Phillip Brink 2010
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _LIBLIST_LIST_H
+#define _LIBLIST_LIST_H
+
+#include <list_namespace.h>
+
+/* Define a structure to describe the list. */
+struct list;
+typedef struct list *list_t;
+
+/* Define a structure to describe each element in the list. */
+struct list_element;
+typedef struct list_element *list_element_t;
+
+/*
+  Backwards API compatibility plug.
+  We're willing to make the API as backwards-compatible as possible
+  but we are going to enforce opaque handles, eliminating the macros
+  instead of functions option.
+ */
+#define LIST_ELEMENT struct list_element
+#define LIST struct list
+
+typedef int (*list_traverse_func_t)(void *data, void *node_data);
+typedef void (*list_dealloc_func_t)(void *);
+
+/**
+   A default data-freeing function for the LIST_DEALLOC.
+ */
+void list_free_free(void *);
+
+/* Prototype ahoy! */
+list_t list_init();
+list_t list_mvprev(list_t);
+list_t list_mvnext(list_t);
+void *list_insert_before(list_t, void *data, int len);
+void *list_insert_after(list_t, void *data, int len);
+void *list_remove_front(list_t);
+void *list_remove_rear(list_t);
+void *list_remove_curr(list_t);
+void list_free(list_t, list_dealloc_func_t);
+
+/* Define some constants for controlling list traversals.  We
+ * bit-code the attributes so they can be OR'd together.
+ */
+#define LIST_FORW	0
+#define LIST_BACK	2
+#define LIST_FRNT	4
+#define LIST_CURR	8
+#define LIST_REAR	(16 | LIST_BACK)   /* 16 + 2, since REAR implies BACKwards. */
+#define LIST_SAVE	32
+#define LIST_ALTR	64
+
+/* Define some constants for return codes and such. */
+#ifndef TRUE
+#define TRUE  1
+#endif
+#ifndef FALSE
+#define FALSE 0
+#endif
+#define LIST_DEALLOC   (&list_free_free)
+#define LIST_NODEALLOC (list_dealloc_func_t)NULL
+#define LIST_EMPTY     0
+#define LIST_OK        1
+#define LIST_EXTENT    2
+
+/* Yet more prototypes. */
+void *list_front(list_t);
+void *list_curr(list_t);
+void *list_rear(list_t);
+list_t list_mvfront(list_t);
+list_t list_mvrear(list_t);
+
+int list_empty(list_t);
+int list_size(list_t);
+
+int list_traverse(list_t list, void *data, list_traverse_func_t func, int opts);
+
+#endif

c/liblist/queue.h

@@ -0,0 +1,52 @@
+/* queue.h -- present queue abstraction with list primitives.
+ *
+ * Last edited: Tue Jul 28 15:34:15 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LIBLIST_QUEUE_H
+#define _LIBLIST_QUEUE_H
+
+#include <list.h>
+
+/* define queue objects in terms of list */
+#define queue_t list_t
+#define queue_element_t list_element_t
+
+/* backwards compatibility */
+#define QUEUE LIST
+#define QUEUE_ELEMENT LIST_ELEMENT
+
+/* Now map the queue functions onto the list primitives.  The current
+ * element pointer will always point to the end of the list, which is
+ * where we add new elements.  We remove elements from the front.
+ * With this model, we map onto the list primitives directly.
+ */
+#define q_init()                        list_init()
+#define q_enqueue(queue, data, bytes)   list_insert_after(queue, data, bytes)
+#define q_dequeue(queue)                list_remove_front(queue)    
+#define q_front(queue)                  list_front(queue)
+#define q_size(queue)                   list_size(queue)
+#define q_empty(queue)                  list_empty(queue)
+#define q_free(queue, dealloc)          list_free(queue, dealloc)
+
+/* Define the deallocation constants. */
+#define QUEUE_DEALLOC   LIST_DEALLOC
+#define QUEUE_NODEALLOC LIST_NODEALLOC
+
+#endif /* _LIBLIST_QUEUE_H */

c/liblist/stack.h

@@ -0,0 +1,52 @@
+/* stack.h -- present stack abstraction with list primitives.
+ *
+ * Last edited: Tue Jul 28 15:33:54 1992 by bcs (Bradley C. Spatz) on wasp
+ *
+ * Copyright (C) 1992, Bradley C. Spatz, bcs@ufl.edu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LIBLIST_STACK_H
+#define _LIBLIST_STACK_H
+
+#include <list.h>
+
+/* Present the stack datatypes in terms of list types (our point exactly). */
+#define stack_t list_t
+#define stack_element_t list_element_t
+
+/* Backwards compatibility */
+#define STACK LIST
+#define STACK_ELEMENT LIST_ELEMENT
+
+/* Now map the stack functions onto the list primitives.   The current
+ * element pointer will always point to front of the list, which is
+ * where we push and pop.  With this model, we can map into the list
+ * primitives directly.
+ */
+#define stack_init()                     list_init()
+#define stack_push(stack, data, bytes)   list_insert_before(stack, data, bytes)
+#define stack_pop(stack)                 list_remove_front(stack)
+#define stack_top(stack)                 list_front(stack)
+#define stack_size(stack)                list_size(stack)
+#define stack_empty(stack)               list_empty(stack)
+#define stack_free(stack, dealloc)       list_free(stack, dealloc)
+
+/* Define the deallocation constants. */
+#define STACK_DEALLOC   LIST_DEALLOC
+#define STACK_NODEALLOC LIST_NODEALLOC
+
+#endif /* _LIBLIST_STACK_H */

c/list/list_kernel.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <linux/list.h>
+
+struct mystruct {
+	int data;
+	struct list_head mylist;
+};
+
+struct mystruct first = {
+	.data = 10,
+	.mylist = LIST_HEAD_INIT(first.mylist)
+};
+
+int main(int argc, char *argv[])
+{
+	
+
+
+	return EXIT_SUCCESS;
+}
+

cpp/boost/dir_recurs/dir_recurs.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+
+#include <boost/filesystem/path.hpp>
+
+#include <boost/filesystem/operations.hpp>
+
+using namespace std;
+
+using namespace boost;
+
+using namespace boost::filesystem;
+
+static void Process_Files(const path & Path, bool recurse)
+{
+	cout << "Processing folder " << Path.native_file_string() << "\n";
+	directory_iterator end_itr;	// default construction yields past-the-end
+
+	for (directory_iterator itr(Path); itr != end_itr; ++itr) {
+		if (recurse && is_directory(*itr)) {
+			// Погружаемся на 1 уровень вниз по дереву каталогов
+			path Deeper(*itr);
+			Process_Files(Deeper, recurse);
+			continue;
+		}
+		// Файл, путь к которому содержится в filename, можно обрабатывать.
+		string filename = itr->file_string();
+		cout << filename << "\n";
+	}
+
+	return;
+}
+
+int main(int argc, char *argv[])
+{
+	bool recurse = true;	// обходить ли каталоги
+	Process_Files(current_path(), recurse);
+	return 0;
+}

cpp/multithreading/pthread_cancel.cpp

@@ -0,0 +1,70 @@
+#include <pthread.h>
+#include <sched.h>
+#include <stdio.h>
+
+extern "C" void thr_yield(void);
+
+void thr_yield(void)
+{
+	printf("thr_yield() called\n");
+}
+
+//extern "C" void printf(...);
+
+struct X {
+	int x;
+	X(int i) {
+		x = i;
+		printf("X(%d) constructed.\n", i);
+	}
+	~X() {
+		printf("X(%d) destroyed.\n", x);
+	}
+};
+
+void
+free_res(void *i)
+{
+	printf("Freeing `%d`\n", i);
+}
+
+char *f2(int i)
+{
+	try {
+		X dummy(i);
+		pthread_cleanup_push(free_res, (void *)i);
+
+		if (i == 50) {
+			pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+			pthread_testcancel();
+		}
+
+		f2(i + 1);
+		pthread_cleanup_pop(0);
+
+	} catch (int) {
+		printf("Error: In handler.\n");
+	}
+
+	return "f2";
+}
+
+void *
+thread2(void *tid)
+{
+	void *sts;
+	printf("I am new thread :%d\n", pthread_self());
+	pthread_cancel((pthread_t)tid);
+	pthread_join((pthread_t)tid, &sts);
+	printf("main thread cancelled due to %d\n", sts);
+	return (sts);
+}
+
+main()
+{
+	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+	pthread_create(NULL, NULL, thread2, (void *)pthread_self());
+	thr_yield();
+	printf("Returned from %s\n", f2(0));
+}
+

cpp/multithreading/pthread_ex.c

@@ -12,18 +12,13 @@ static void wait_thread(void)
     while (time(NULL) == start_time)
     {
         /* do nothing except chew CPU slices for up to one second. */
-        //usleep(1);
+
-        //~ struct timespec
+        usleep(10000);
-		//~ {
-			//~ time_t  tv_sec;                 /* секунды */
-			//~ long    tv_nsec;                /* наносекунды */
-		//~ };
 
 	//~ struct timespec ts;
 	//~ ts.tv_sec = 0;
-		//~ ts.tv_nsec = 10;
+	//~ ts.tv_nsec = 1000;
-		//~ nanosleep(&ts,NULL);
+	//~ nanosleep((const struct timespec *)&ts, NULL);
-
     }
 }
 

cpp/multithreading/pthread_ex.geany

@@ -16,13 +16,7 @@ long_line_behaviour=1
 long_line_column=72
 
 [files]
-current_page=6
+current_page=-1
-FILE_NAME_0=472;C;0;16;1;1;0;/home/kolan/Projects/cpp/multithreading/asynch.c;0
-FILE_NAME_1=328;C;0;16;1;1;0;/home/kolan/Projects/cpp/multithreading/mutexes.c;0
-FILE_NAME_2=1354;C;0;16;1;1;0;/home/kolan/Projects/cpp/multithreading/semabinit.c;0
-FILE_NAME_3=642;C;0;16;1;1;0;/home/kolan/Projects/cpp/multithreading/sem08-1a.c;0
-FILE_NAME_4=2155;C;0;16;1;1;0;/home/kolan/Projects/cpp/multithreading/sem08-1b.c;0
-FILE_NAME_5=100;C;0;16;1;1;0;/home/kolan/Projects/cpp/multithreading/tmp.c;0
 
 [build-menu]
 CFT_00_LB=_Скомпилировать

cpp/this/this.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include <stdlib.h>
+
+using namespace std;
+
+class foo {
+public:
+	void *operator *() {
+		return NULL;
+	}
+	void *bar() {
+		return &*this;
+	}
+};
+
+int main(int argc, char *argv[])
+{
+	foo f;
+	cout << (unsigned long)f.bar() << endl;
+	cout << (unsigned long)&f << endl;
+	cout << (unsigned long)*f << endl;
+
+	return EXIT_SUCCESS;
+}
+