Diffstat (limited to 'noncore/apps/opie-console/procctl.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/apps/opie-console/procctl.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/noncore/apps/opie-console/procctl.cpp b/noncore/apps/opie-console/procctl.cpp index a44529b..5239e26 100644 --- a/noncore/apps/opie-console/procctl.cpp +++ b/noncore/apps/opie-console/procctl.cpp @@ -4,94 +4,97 @@ #include <unistd.h> #include "procctl.h" ProcContainer *ProcCtl::m_last = 0; ProcCtl* ProcCtl::m_self = 0; ProcCtl::ProcCtl() { signal( SIGCHLD, signal_handler ); } ProcCtl::~ProcCtl() { } ProcCtl* ProcCtl::self() { if (!m_self ) { m_self = new ProcCtl; } return m_self; } 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 ) { + if (forw) forw->prev = con->prev; + else + forw = 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; } } |