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authorPixel <Pixel>2001-11-12 16:11:04 +0000
committerPixel <Pixel>2001-11-12 16:11:04 +0000
commit709543dec3eaa07f7d2d7da2157d1f9159bad5d8 (patch)
treed18d30593f7b96ea3d2306bb6784d0a1a1a7a95e /lib
parent6718e4cfec88e3046030f60775293d6de03cdc07 (diff)
Taskman
Diffstat (limited to 'lib')
-rw-r--r--lib/Handle.cc2
-rw-r--r--lib/ReadJob.cc10
-rw-r--r--lib/Task.cc27
-rw-r--r--lib/TaskMan.cc12
4 files changed, 41 insertions, 10 deletions
diff --git a/lib/Handle.cc b/lib/Handle.cc
index e5a23a3..da9870f 100644
--- a/lib/Handle.cc
+++ b/lib/Handle.cc
@@ -108,8 +108,6 @@ Handle & operator>>(Handle & h, String & s) {
char t[BUFSIZ];
int i = 0, r;
- cerr << "Into 'Handle & >> String &'...\n";
-
while ((r = h.read(&(t[i]), 1)) && (i != (BUFSIZ - 1))) {
// Il y a souvent des \r\n dans les sockets par exemple,
// ou bien en lisant des fichiers au format MS-DOS. On
diff --git a/lib/ReadJob.cc b/lib/ReadJob.cc
index c2a4629..3bab150 100644
--- a/lib/ReadJob.cc
+++ b/lib/ReadJob.cc
@@ -18,17 +18,19 @@ int ReadJob::Do() {
*s >> buff;
}
catch (IOAgain e) {
- return TASK_ON_HOLD;
+ cerr << "Suspending ReadJob to wait for reading...\n";
+ Suspend();
}
- current = 0;
+ cerr << "Read some bytes...\n";
}
try {
*d << buff << endnl;
}
catch (IOAgain e) {
- current = 1;
- return TASK_ON_HOLD;
+ cerr << "Suspending ReadJob to wait for writing...\n";
+ Suspend();
}
+ cerr << "Wrote some bytes...\n";
if (buff == "") return TASK_DONE;
}
diff --git a/lib/Task.cc b/lib/Task.cc
index faaeaf3..42147d3 100644
--- a/lib/Task.cc
+++ b/lib/Task.cc
@@ -2,7 +2,7 @@
#include "Task.h"
#include "String.h"
-Task::Task() : state(TASK_ON_HOLD) {}
+Task::Task() : state(TASK_ON_HOLD), suspended(false) {}
Task::~Task() {}
int Task::Do() {
@@ -15,6 +15,7 @@ int Task::Run() {
state = Do();
}
catch (TaskSwitch) {
+ Resume(1);
throw;
}
catch (GeneralException e) {
@@ -32,3 +33,27 @@ int Task::GetState() {
String Task::GetName() {
return "Unknow Task";
}
+
+int Task::Suspend() throw (GeneralException) {
+ int r;
+
+ cerr << "Suspending task " << GetName() << "...\n";
+
+ suspended = true;
+
+ r = setjmp(env);
+
+ if (!r) throw TaskSwitch();
+
+ return r;
+}
+
+void Task::Resume(int val) throw (GeneralException) {
+ if (suspended) {
+ cerr << "Resuming task " << GetName() << "...\n";
+ suspended = false;
+ longjmp(env, val);
+ } else {
+ throw GeneralException(String("Task ") + GetName() + " was not suspended.");
+ }
+}
diff --git a/lib/TaskMan.cc b/lib/TaskMan.cc
index 9efe890..f8ba303 100644
--- a/lib/TaskMan.cc
+++ b/lib/TaskMan.cc
@@ -1,10 +1,16 @@
#include <TaskMan.h>
-int TaskMan::Inited = 0;
+bool TaskMan::Inited = false;
-TaskMan::TaskMan() { }
+TaskMan::TaskMan() throw (GeneralException) {
+ if (Inited) {
+ throw GeneralException("Another Task Manager is already running, aborting.");
+ }
+
+ Inited = true;
+}
-int TaskMan::AddTask(const Task & t) {
+int TaskMan::AddTask(Task * t) {
}