diff options
Diffstat (limited to 'gdb/inf-ptrace.h')
| -rw-r--r-- | gdb/inf-ptrace.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gdb/inf-ptrace.h b/gdb/inf-ptrace.h index 01b05f7..62cc777 100644 --- a/gdb/inf-ptrace.h +++ b/gdb/inf-ptrace.h @@ -20,6 +20,7 @@ #ifndef INF_PTRACE_H #define INF_PTRACE_H +#include "gdbsupport/event-pipe.h" #include "inf-child.h" /* An abstract prototype ptrace target. The client can override it @@ -33,6 +34,8 @@ struct inf_ptrace_target : public inf_child_target void detach (inferior *inf, int) override; + void close () override; + void resume (ptid_t, int, enum gdb_signal) override; ptid_t wait (ptid_t, struct target_waitstatus *, target_wait_flags) override; @@ -57,7 +60,31 @@ struct inf_ptrace_target : public inf_child_target ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) override; + bool is_async_p () override + { return m_event_pipe.is_open (); } + + int async_wait_fd () override + { return m_event_pipe.event_fd (); } + + /* Helper routine used from SIGCHLD handlers to signal the async + event pipe. */ + static void async_file_mark_if_open () + { + if (m_event_pipe.is_open ()) + m_event_pipe.mark (); + } + protected: + /* Helper routines for interacting with the async event pipe. */ + bool async_file_open () + { return m_event_pipe.open (); } + void async_file_close () + { m_event_pipe.close (); } + void async_file_flush () + { m_event_pipe.flush (); } + void async_file_mark () + { m_event_pipe.mark (); } + /* Cleanup the inferior after a successful ptrace detach. */ void detach_success (inferior *inf); @@ -71,6 +98,9 @@ protected: Such targets will supply an appropriate definition for this function. */ virtual void post_startup_inferior (ptid_t ptid) = 0; + +private: + static event_pipe m_event_pipe; }; #ifndef __NetBSD__ |