#define _WAPI_PROCESS_CURRENT (gpointer)0xFFFFFFFF
/* This marks a system process that we don't have a handle on */
-/* FIXME: cope with pids > 31bit? */
-#define _WAPI_PROCESS_UNHANDLED_PID_MASK 0x7FFFFFFF
-#define _WAPI_PROCESS_UNHANDLED (-1 & ~_WAPI_PROCESS_UNHANDLED_PID_MASK)
+/* FIXME: Cope with PIDs > sizeof guint */
+#define _WAPI_PROCESS_UNHANDLED (1 << (8*sizeof(pid_t)-1))
+#define _WAPI_PROCESS_UNHANDLED_PID_MASK (-1 & ~_WAPI_PROCESS_UNHANDLED)
extern gpointer _wapi_process_duplicate (void);
#define _WAPI_PROC_NAME_MAX_LEN _POSIX_PATH_MAX
+/*
+ * MonoProcess describes processes we create.
+ * It contains a semaphore that can be waited on in order to wait
+ * for process termination. It's accessed in our SIGCHLD handler,
+ * when status is updated (and pid cleared, to not clash with
+ * subsequent processes that may get executed).
+ */
+struct MonoProcess {
+ pid_t pid; /* the pid of the process. This value is only valid until the process has exited. */
+ MonoSemType exit_sem; /* this semaphore will be released when the process exits */
+ int status; /* the exit status */
+ gint32 handle_count; /* the number of handles to this mono_process instance */
+ /* we keep a ref to the creating _WapiHandle_process handle until
+ * the process has exited, so that the information there isn't lost.
+ * If we put the information there in this structure, it won't be
+ * available to other processes when using shared handles. */
+ gpointer handle;
+ struct MonoProcess *next;
+};
+
+
+/*
+ * _WapiHandle_process is a structure containing all the required information
+ * for process handling.
+ * The mono_process field is only present if this process has created
+ * the corresponding process.
+ */
struct _WapiHandle_process
{
pid_t id;
gchar proc_name[_WAPI_PROC_NAME_MAX_LEN];
size_t min_working_set;
size_t max_working_set;
- gboolean waited;
+ gboolean exited;
+ pid_t self; /* mono_process is shared among processes, but only usable in the process that created it */
+ struct MonoProcess *mono_process;
};
-extern void _wapi_process_reap (void);
-extern void _wapi_process_signal_self (void);
-
#endif /* _WAPI_PROCESS_PRIVATE_H_ */