Moved process structure definition to process.h.
Added suspend/resume_process.
Moved handle table back into the process structure.
diff --git a/server/process.c b/server/process.c
index 6d435aa..de97ff4 100644
--- a/server/process.c
+++ b/server/process.c
@@ -6,6 +6,7 @@
#include <assert.h>
#include <limits.h>
+#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
@@ -23,24 +24,6 @@
/* process structure */
-struct process
-{
- struct object obj; /* object header */
- struct process *next; /* system-wide process list */
- struct process *prev;
- struct thread *thread_list; /* head of the thread list */
- struct handle_table handles; /* handle table */
- int exit_code; /* process exit code */
- int running_threads; /* number of threads running in this process */
- struct timeval start_time; /* absolute time at process start */
- struct timeval end_time; /* absolute time at process end */
- int priority; /* priority class */
- int affinity; /* process affinity mask */
- struct object *console_in; /* console input */
- struct object *console_out; /* console output */
- struct new_process_request *info; /* startup info (freed after startup) */
-};
-
static struct process initial_process;
static struct process *first_process = &initial_process;
static int running_processes;
@@ -73,10 +56,14 @@
process->next = NULL;
process->prev = NULL;
process->thread_list = NULL;
+ process->debug_next = NULL;
+ process->debug_prev = NULL;
+ process->debugger = NULL;
process->exit_code = 0x103; /* STILL_ACTIVE */
process->running_threads = 0;
process->priority = NORMAL_PRIORITY_CLASS;
process->affinity = 1;
+ process->suspend = 0;
process->console_in = NULL;
process->console_out = NULL;
process->info = NULL;
@@ -200,12 +187,6 @@
access, &process_ops );
}
-/* get a pointer to the process handle table */
-struct handle_table *get_process_handles( struct process *process )
-{
- return &process->handles;
-}
-
/* retrieve the initialization info for a new process */
static int get_process_init_info( struct process *process, struct init_process_reply *reply )
{
@@ -261,8 +242,37 @@
release_object( thread );
}
+/* suspend all the threads of a process */
+void suspend_process( struct process *process )
+{
+ if (!process->suspend++)
+ {
+ struct thread *thread = process->thread_list;
+ for (; thread; thread = thread->proc_next)
+ {
+ if (!thread->suspend && thread->unix_pid)
+ kill( thread->unix_pid, SIGSTOP );
+ }
+ }
+}
+
+/* resume all the threads of a process */
+void resume_process( struct process *process )
+{
+ assert (process->suspend > 0);
+ if (!--process->suspend)
+ {
+ struct thread *thread = process->thread_list;
+ for (; thread; thread = thread->proc_next)
+ {
+ if (!thread->suspend && thread->unix_pid)
+ kill( thread->unix_pid, SIGCONT );
+ }
+ }
+}
+
/* kill a process on the spot */
-static void kill_process( struct process *process, int exit_code )
+void kill_process( struct process *process, int exit_code )
{
while (process->thread_list)
kill_thread( process->thread_list, exit_code );
