Move declarations related to process stopping handler to a new file trace.h
diff --git a/sysdeps/linux-gnu/trace.c b/sysdeps/linux-gnu/trace.c
index af9423c..dfa5126 100644
--- a/sysdeps/linux-gnu/trace.c
+++ b/sysdeps/linux-gnu/trace.c
@@ -19,6 +19,7 @@
#include "common.h"
#include "breakpoint.h"
#include "proc.h"
+#include "linux-gnu/trace.h"
/* If the system headers did not provide the constants, hard-code the normal
values. */
@@ -200,70 +201,6 @@
"putting off the continue, events in que.");
}
-/**
- * This is used for bookkeeping related to PIDs that the event
- * handlers work with.
- */
-struct pid_task {
- pid_t pid; /* This may be 0 for tasks that exited
- * mid-handling. */
- int sigstopped : 1;
- int got_event : 1;
- int delivered : 1;
- int vforked : 1;
- int sysret : 1;
-} * pids;
-
-struct pid_set {
- struct pid_task * tasks;
- size_t count;
- size_t alloc;
-};
-
-/**
- * Breakpoint re-enablement. When we hit a breakpoint, we must
- * disable it, single-step, and re-enable it. That single-step can be
- * done only by one task in a task group, while others are stopped,
- * otherwise the processes would race for who sees the breakpoint
- * disabled and who doesn't. The following is to keep track of it
- * all.
- */
-struct process_stopping_handler
-{
- struct event_handler super;
-
- /* The task that is doing the re-enablement. */
- Process *task_enabling_breakpoint;
-
- /* The pointer being re-enabled. */
- struct breakpoint *breakpoint_being_enabled;
-
- /* Artificial atomic skip breakpoint, if any needed. */
- void *atomic_skip_bp_addr;
-
- /* When all tasks are stopped, this callback gets called. */
- void (*on_all_stopped)(struct process_stopping_handler *);
-
- enum {
- /* We are waiting for everyone to land in t/T. */
- psh_stopping = 0,
-
- /* We are doing the PTRACE_SINGLESTEP. */
- psh_singlestep,
-
- /* We are waiting for all the SIGSTOPs to arrive so
- * that we can sink them. */
- psh_sinking,
-
- /* This is for tracking the ugly workaround. */
- psh_ugly_workaround,
- } state;
-
- int exiting;
-
- struct pid_set pids;
-};
-
static struct pid_task *
get_task_info(struct pid_set * pids, pid_t pid)
{