This is targetted to the people telling

in computer science classes that I'm
toolkit dependant
This is a Process Controller which will be used
to work around the limit of only beeing able to do
one FileTransfer at a Time

1 files changed, 90 insertions, 0 deletions

diff --git a/noncore/apps/opie-console/procctl.cpp b/noncore/apps/opie-console/procctl.cpp
new file mode 100644
index 0000000..6839a84
--- a/dev/null
+++ b/noncore/apps/opie-console/procctl.cpp
@@ -0,0 +1,90 @@
+#include <sys/wait.h>
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "procctl.h"
+
+ProcContainer *ProcCtl::m_last = 0;
+
+ProcCtl::ProcCtl() {
+    signal( SIGCHLD, signal_handler );
+}
+ProcCtl::~ProcCtl() {
+}
+void ProcCtl::add(pid_t pi,  int fd ) {
+    ProcContainer * con = new ProcContainer;
+    //memset(con, 0, sizeof(con) );
+    con->pid = pi;
+    con->fd = fd;
+    con->status = 0;
+    con->prev = m_last;
+
+    m_last = con;
+
+}
+void ProcCtl::remove( pid_t pi ) {
+    /*
+     * We first check if the last item
+     * is equal to  pi the we
+     *
+     */
+    ProcContainer* con;
+    if (m_last->pid == pi ) {
+        con = m_last;
+        m_last = con->prev;
+        delete con;
+        return;
+    }
+
+    con = m_last;
+    ProcContainer* forw = 0l;
+    while (con ) {
+        /* remove it */
+        if ( pi == con->pid ) {
+            forw->prev = con->prev;
+            delete con;
+            return;
+        }
+
+        forw = con;
+        con = con->prev;
+    }
+
+}
+void ProcCtl::remove( ProcContainer con ) {
+    remove( con.pid );
+}
+int ProcCtl::status(pid_t pid )const{
+    ProcContainer *con = m_last;
+    while (con) {
+        if (con->pid == pid )
+            return con->status;
+        con = con->prev;
+    }
+    return -1;
+}
+void ProcCtl::signal_handler(int) {
+    int status;
+    signal( SIGCHLD,  signal_handler );
+    pid_t pi = waitpid( -1, &status, WNOHANG  );
+
+    /*
+     * find the container for pid
+     *
+     */
+    if ( pi < 0 ) {
+        return;
+    }
+
+    ProcContainer* con = m_last;
+    while (con) {
+        if ( con->pid == pi ) {
+            con->status = status;
+            char result = 1;
+            /* give a 'signal' */
+            ::write(con->fd, &result, 1 );
+        }
+        con = con->prev;
+    }
+}