#include "target.h"
#include "thread.h"
#include "command.h"
+#include "gdbcmd.h"
+#include <ctype.h>
#include <sys/types.h>
#include <signal.h>
static void thread_switch PARAMS ((int pid));
+static struct thread_info * find_thread_id PARAMS ((int num));
+
void
init_thread_list ()
{
return NULL;
}
+int
+valid_thread_id (num)
+ int num;
+{
+ struct thread_info *tp;
+
+ for (tp = thread_list; tp; tp = tp->next)
+ if (tp->num == num)
+ return 1;
+
+ return 0;
+}
+
+int
+pid_to_thread_id (pid)
+ int pid;
+{
+ struct thread_info *tp;
+
+ for (tp = thread_list; tp; tp = tp->next)
+ if (tp->pid == pid)
+ return tp->num;
+
+ return 0;
+}
+
int
in_thread_list (pid)
int pid;
select_frame (get_current_frame (), 0);
}
+static void
+restore_current_thread (pid)
+ int pid;
+{
+ if (pid != inferior_pid)
+ thread_switch (pid);
+}
+
+/* Apply a GDB command to a list of threads. List syntax is a whitespace
+ seperated list of numbers, or ranges, or the keyword `all'. Ranges consist
+ of two numbers seperated by a hyphen. Examples:
+
+ thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
+ thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
+ thread apply all p x/i $pc Apply x/i $pc cmd to all threads
+*/
+
+static void
+thread_apply_all_command (cmd, from_tty)
+ char *cmd;
+ int from_tty;
+{
+ struct thread_info *tp;
+ struct cleanup *old_chain;
+
+ if (cmd == NULL || *cmd == '\000')
+ error ("Please specify a command following the thread ID list");
+
+ old_chain = make_cleanup (restore_current_thread, inferior_pid);
+
+ for (tp = thread_list; tp; tp = tp->next)
+ {
+ thread_switch (tp->pid);
+ printf_filtered ("\nThread %d (%s):\n", tp->num,
+ target_pid_to_str (inferior_pid));
+ execute_command (cmd, from_tty);
+ }
+}
+
+static void
+thread_apply_command (tidlist, from_tty)
+ char *tidlist;
+ int from_tty;
+{
+ char *cmd;
+ char *p;
+ struct cleanup *old_chain;
+
+ if (tidlist == NULL || *tidlist == '\000')
+ error ("Please specify a thread ID list");
+
+ for (cmd = tidlist; *cmd != '\000' && !isalpha(*cmd); cmd++);
+
+ if (*cmd == '\000')
+ error ("Please specify a command following the thread ID list");
+
+ old_chain = make_cleanup (restore_current_thread, inferior_pid);
+
+ while (tidlist < cmd)
+ {
+ struct thread_info *tp;
+ int start, end;
+
+ start = strtol (tidlist, &p, 10);
+ if (p == tidlist)
+ error ("Error parsing %s", tidlist);
+ tidlist = p;
+
+ while (*tidlist == ' ' || *tidlist == '\t')
+ tidlist++;
+
+ if (*tidlist == '-') /* Got a range of IDs? */
+ {
+ tidlist++; /* Skip the - */
+ end = strtol (tidlist, &p, 10);
+ if (p == tidlist)
+ error ("Error parsing %s", tidlist);
+ tidlist = p;
+
+ while (*tidlist == ' ' || *tidlist == '\t')
+ tidlist++;
+ }
+ else
+ end = start;
+
+ for (; start <= end; start++)
+ {
+ tp = find_thread_id (start);
+
+ if (!tp)
+ {
+ warning ("Unknown thread %d.", start);
+ continue;
+ }
+
+ thread_switch (tp->pid);
+ printf_filtered ("\nThread %d (%s):\n", tp->num,
+ target_pid_to_str (inferior_pid));
+ execute_command (cmd, from_tty);
+ }
+ }
+}
+
+/* Switch to the specified thread. Will dispatch off to thread_apply_command
+ if prefix of arg is `apply'. */
+
static void
thread_command (tidstr, from_tty)
char *tidstr;
error ("Please specify a thread ID. Use the \"info threads\" command to\n\
see the IDs of currently known threads.");
-
num = atoi (tidstr);
tp = find_thread_id (num);
void
_initialize_thread ()
{
+ static struct cmd_list_element *thread_cmd_list = NULL;
+ static struct cmd_list_element *thread_apply_list = NULL;
+ extern struct cmd_list_element *cmdlist;
+
add_info ("threads", info_threads_command,
"IDs of currently known threads.");
- add_com ("thread", class_info, thread_command,
- "Use this command to switch between threads.\n\
-The new thread ID must be currently known.");
+
+ add_prefix_cmd ("thread", class_run, thread_command,
+ "Use this command to switch between threads.\n\
+The new thread ID must be currently known.", &thread_cmd_list, "thread ", 1,
+ &cmdlist);
+
+ add_prefix_cmd ("apply", class_run, thread_apply_command,
+ "Apply a command to a list of threads.",
+ &thread_apply_list, "apply ", 1, &thread_cmd_list);
+
+ add_cmd ("all", class_run, thread_apply_all_command,
+ "Apply a command to all threads.",
+ &thread_apply_list);
+
+ add_com_alias ("t", "thread", class_run, 1);
}