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Consolidate save_inferior_ptid/restore_inferior_ptid implementation to

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one source file.
This commit is contained in:
Kevin Buettner
2001-05-06 22:22:03 +00:00
parent a7c92daeed
commit ce696e0556
12 changed files with 64 additions and 239 deletions
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48
gdb/lin-thread.c
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@ -304,8 +304,6 @@ ps_ptwrite (gdb_ps_prochandle_t ph, /* write to text segment */
return rw_common (ph, addr, (char *) buf, size, PS_WRITE);
}
static struct cleanup *save_inferior_ptid (void);
static void restore_inferior_ptid (void *saved_pid);
static char *thr_err_string (td_err_e);
static char *thr_state_string (td_thr_state_e);
@ -623,52 +621,6 @@ init_thread_db_library (void)
* Local utility functions:
*/
/*
LOCAL FUNCTION
save_inferior_ptid - Save inferior_ptid on the cleanup list
restore_inferior_ptid - Restore inferior_ptid from the cleanup list
SYNOPSIS
struct cleanup *save_inferior_ptid (void);
void restore_inferior_ptid (void *saved_pid);
DESCRIPTION
These two functions act in unison to restore inferior_ptid in
case of an error.
NOTES
inferior_ptid is a global variable that needs to be changed by many
of these routines before calling functions in procfs.c. In order
to guarantee that inferior_ptid gets restored (in case of errors),
you need to call save_inferior_ptid before changing it. At the end
of the function, you should invoke do_cleanups to restore it.
*/
static struct cleanup *
save_inferior_ptid (void)
{
ptid_t *saved_ptid_ptr;
saved_ptid_ptr = xmalloc (sizeof (ptid_t));
*saved_ptid_ptr = inferior_ptid;
return make_cleanup (restore_inferior_ptid, saved_ptid_ptr);
}
static void
restore_inferior_ptid (void *arg)
{
ptid_t *saved_ptid_ptr = arg;
inferior_ptid = *saved_ptid_ptr;
xfree (arg);
}
/*
LOCAL FUNCTION