Threads are just such a bad idea…
authorPierre Habouzit <madcoder@debian.org>
Sun, 2 Dec 2007 21:27:28 +0000 (22:27 +0100)
committerPierre Habouzit <madcoder@debian.org>
Sun, 2 Dec 2007 21:27:28 +0000 (22:27 +0100)
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Makefile
main-postlicyd.c
threads.c [deleted file]
threads.h [deleted file]

index a0f9786..40894b5 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -45,10 +45,10 @@ TESTS    = tst-rbl
 
 GENERATED = tokens.h tokens.c
 
-lib_SOURCES = threads.c str.c buffer.c common.c epoll.c $(GENERATED)
+lib_SOURCES = str.c buffer.c common.c epoll.c $(GENERATED)
 
 postlicyd_SOURCES = greylist.c rbl.c main-postlicyd.c lib.a
-postlicyd_LIBADD  = -lpthread $(TC_LIBS)
+postlicyd_LIBADD  = $(TC_LIBS)
 
 pfix-srsd_SOURCES = main-srsd.c lib.a
 pfix-srsd_LIBADD  = -lsrs2
index 7a5630e..1e1ce4d 100644 (file)
@@ -38,7 +38,6 @@
 #include "buffer.h"
 #include "common.h"
 #include "epoll.h"
-#include "threads.h"
 #include "tokens.h"
 
 #define DAEMON_NAME             "postlicyd"
diff --git a/threads.c b/threads.c
deleted file mode 100644 (file)
index 16d0518..0000000
--- a/threads.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/******************************************************************************/
-/*          pfixtools: a collection of postfix related tools                  */
-/*          ~~~~~~~~~                                                         */
-/*  ________________________________________________________________________  */
-/*                                                                            */
-/*  Redistribution and use in source and binary forms, with or without        */
-/*  modification, are permitted provided that the following conditions        */
-/*  are met:                                                                  */
-/*                                                                            */
-/*  1. Redistributions of source code must retain the above copyright         */
-/*     notice, this list of conditions and the following disclaimer.          */
-/*  2. Redistributions in binary form must reproduce the above copyright      */
-/*     notice, this list of conditions and the following disclaimer in the    */
-/*     documentation and/or other materials provided with the distribution.   */
-/*  3. The names of its contributors may not be used to endorse or promote    */
-/*     products derived from this software without specific prior written     */
-/*     permission.                                                            */
-/*                                                                            */
-/*  THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND   */
-/*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE     */
-/*  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR        */
-/*  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS    */
-/*  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR    */
-/*  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF      */
-/*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  */
-/*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN   */
-/*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)   */
-/*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF    */
-/*  THE POSSIBILITY OF SUCH DAMAGE.                                           */
-/******************************************************************************/
-
-/*
- * Copyright © 2007 Pierre Habouzit
- */
-
-#include "threads.h"
-
-static struct {
-    pthread_spinlock_t spin;
-    pthread_t *deads;
-    int count, size;
-} morgue;
-
-struct job_closure {
-    void *(*f)(int, void*);
-    int fd;
-    void *data;
-};
-
-void thread_register_dead(void *tid)
-{
-    pthread_spin_lock(&morgue.spin);
-    if (morgue.count >= morgue.size) {
-        p_allocgrow(&morgue.deads, morgue.count + 1, &morgue.size);
-    }
-    morgue.deads[morgue.count++] = (pthread_t)tid;
-    pthread_spin_unlock(&morgue.spin);
-}
-
-static void *thread_wrapper(void *arg)
-{
-    struct job_closure *closure = arg;
-    void *res;
-
-    pthread_cleanup_push(thread_register_dead, (void *)pthread_self());
-    res = (*closure->f)(closure->fd, closure->data);
-    pthread_cleanup_pop(1);
-    p_delete(&closure);
-    return res;
-}
-
-int thread_launch(void *(*f)(int, void *), int fd, void *data)
-{
-    struct job_closure closure = { .f = f, .fd = fd, .data = data };
-    pthread_t t;
-    return pthread_create(&t, NULL, &thread_wrapper, p_dup(&closure, 1));
-}
-
-void threads_join(void)
-{
-    if (!morgue.count)
-        return;
-
-    pthread_spin_lock(&morgue.spin);
-    while (morgue.count-- > 0) {
-        pthread_join(morgue.deads[morgue.count], NULL);
-    }
-    pthread_spin_unlock(&morgue.spin);
-}
-
-
-static int threads_initialize(void)
-{
-    pthread_spin_init(&morgue.spin, PTHREAD_PROCESS_PRIVATE);
-    return 0;
-}
-
-static void threads_shutdown(void)
-{
-    pthread_spin_destroy(&morgue.spin);
-}
-
-module_init(threads_initialize);
-module_exit(threads_shutdown);
diff --git a/threads.h b/threads.h
deleted file mode 100644 (file)
index 58a0731..0000000
--- a/threads.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/******************************************************************************/
-/*          pfixtools: a collection of postfix related tools                  */
-/*          ~~~~~~~~~                                                         */
-/*  ________________________________________________________________________  */
-/*                                                                            */
-/*  Redistribution and use in source and binary forms, with or without        */
-/*  modification, are permitted provided that the following conditions        */
-/*  are met:                                                                  */
-/*                                                                            */
-/*  1. Redistributions of source code must retain the above copyright         */
-/*     notice, this list of conditions and the following disclaimer.          */
-/*  2. Redistributions in binary form must reproduce the above copyright      */
-/*     notice, this list of conditions and the following disclaimer in the    */
-/*     documentation and/or other materials provided with the distribution.   */
-/*  3. The names of its contributors may not be used to endorse or promote    */
-/*     products derived from this software without specific prior written     */
-/*     permission.                                                            */
-/*                                                                            */
-/*  THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND   */
-/*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE     */
-/*  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR        */
-/*  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS    */
-/*  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR    */
-/*  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF      */
-/*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  */
-/*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN   */
-/*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)   */
-/*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF    */
-/*  THE POSSIBILITY OF SUCH DAMAGE.                                           */
-/******************************************************************************/
-
-/*
- * Copyright © 2007 Pierre Habouzit
- */
-
-#ifndef PFIXTOOLS_THREADS_H
-#define PFIXTOOLS_THREADS_H
-
-#include "common.h"
-#include <pthread.h>
-
-int thread_launch(void *(*f)(int fd, void *), int fd, void *);
-void threads_join(void);
-
-#endif