/* Low level interface for debugging GNU/Linux threads for GDB,
the GNU debugger.
- Copyright 1998, 1999 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GDB.
#endif
/* Check to see if the given thread is alive. */
static int
-linuxthreads_thread_alive (pid)
- int pid;
+linuxthreads_thread_alive (ptid_t ptid)
{
errno = 0;
- return ptrace (PT_READ_U, pid, (PTRACE_ARG3_TYPE)0, 0) >= 0 || errno == 0;
+ return ptrace (PT_READ_U, PIDGET (ptid), (PTRACE_ARG3_TYPE)0, 0) >= 0
+ || errno == 0;
}
/* On detach(), find a SIGTRAP status. If stop is non-zero, find a
our efforts to debug it, accept them with wait, but don't pass them
through to PID. Do pass all other signals through. */
static int
-linuxthreads_find_trap (pid, stop)
- int pid;
- int stop;
+linuxthreads_find_trap (int pid, int stop)
{
int i;
int rpid;
for (;;)
{
/* resume the child every time... */
- child_resume (pid, 1, TARGET_SIGNAL_0);
+ child_resume (pid_to_ptid (pid), 1, TARGET_SIGNAL_0);
/* loop as long as errno == EINTR:
waitpid syscall may be aborted due to GDB receiving a signal.
return 1;
}
-/* Cleanup stub for save_inferior_pid. */
static void
-restore_inferior_pid (void *arg)
-{
- int *saved_pid_ptr = arg;
- inferior_pid = *saved_pid_ptr;
- free (arg);
-}
-
-/* Register a cleanup to restore the value of inferior_pid. */
-static struct cleanup *
-save_inferior_pid (void)
-{
- int *saved_pid_ptr;
-
- saved_pid_ptr = xmalloc (sizeof (int));
- *saved_pid_ptr = inferior_pid;
- return make_cleanup (restore_inferior_pid, saved_pid_ptr);
-}
-
-static void
-sigchld_handler (signo)
- int signo;
+sigchld_handler (int signo)
{
/* This handler is used to get an EINTR while doing waitpid()
when an event is received */
/* Have we already collected a wait status for PID in the
linuxthreads_wait bag? */
static int
-linuxthreads_pending_status (pid)
- int pid;
+linuxthreads_pending_status (int pid)
{
int i;
for (i = linuxthreads_wait_last; i >= 0; i--)
in OBJFILE, so we complain if it's required, but not there.
Return true iff things are okay. */
static int
-find_signal_var (sig, objfile)
- struct linuxthreads_signal *sig;
- struct objfile *objfile;
+find_signal_var (struct linuxthreads_signal *sig, struct objfile *objfile)
{
struct minimal_symbol *ms = lookup_minimal_symbol (sig->var, NULL, objfile);
}
static int
-find_all_signal_vars (objfile)
- struct objfile *objfile;
+find_all_signal_vars (struct objfile *objfile)
{
return ( find_signal_var (&linuxthreads_sig_restart, objfile)
&& find_signal_var (&linuxthreads_sig_cancel, objfile)
been initialized yet. If it has, tell GDB to pass that signal
through to the inferior silently. */
static void
-check_signal_number (sig)
- struct linuxthreads_signal *sig;
+check_signal_number (struct linuxthreads_signal *sig)
{
int num;
}
void
-check_all_signal_numbers ()
+check_all_signal_numbers (void)
{
/* If this isn't a LinuxThreads program, quit early. */
if (! linuxthreads_max)
talking to an executable that uses LinuxThreads, so we clear the
signal number and variable address too. */
static void
-restore_signal (sig)
- struct linuxthreads_signal *sig;
+restore_signal (struct linuxthreads_signal *sig)
{
if (! sig->signal)
return;
talking to an executable that uses LinuxThreads, so we clear the
signal number and variable address too. */
static void
-restore_all_signals ()
+restore_all_signals (void)
{
restore_signal (&linuxthreads_sig_restart);
restore_signal (&linuxthreads_sig_cancel);
If ALL is non-zero, process all threads.
If ALL is zero, skip threads with pending status. */
static void
-iterate_active_threads (func, all)
- void (*func)(int);
- int all;
+iterate_active_threads (void (*func) (int), int all)
{
CORE_ADDR descr;
int pid;
This is the worker function for linuxthreads_insert_breakpoint,
which passes it to iterate_active_threads. */
static void
-insert_breakpoint (pid)
- int pid;
+insert_breakpoint (int pid)
{
int j;
breakpoint if the thread's PC is pointing at the breakpoint being
removed. */
static void
-remove_breakpoint (pid)
- int pid;
+remove_breakpoint (int pid)
{
int j;
if (linuxthreads_breakpoint_zombie[j].pid == pid)
break;
- if (in_thread_list (pid) && linuxthreads_thread_alive (pid))
+ if (in_thread_list (pid_to_ptid (pid))
+ && linuxthreads_thread_alive (pid_to_ptid (pid)))
{
- CORE_ADDR pc = read_pc_pid (pid);
+ CORE_ADDR pc = read_pc_pid (pid_to_ptid (pid));
if (linuxthreads_breakpoint_addr == pc - DECR_PC_AFTER_BREAK
&& j > linuxthreads_breakpoint_last)
{
/* Kill a thread */
static void
-kill_thread (pid)
- int pid;
+kill_thread (int pid)
{
- if (in_thread_list (pid))
+ if (in_thread_list (pid_to_ptid (pid)))
{
ptrace (PT_KILL, pid, (PTRACE_ARG3_TYPE) 0, 0);
}
/* Resume a thread */
static void
-resume_thread (pid)
- int pid;
+resume_thread (int pid)
{
- if (pid != inferior_pid
- && in_thread_list (pid)
- && linuxthreads_thread_alive (pid))
+ if (pid != PIDGET (inferior_ptid)
+ && in_thread_list (pid_to_ptid (pid))
+ && linuxthreads_thread_alive (pid_to_ptid (pid)))
{
if (pid == linuxthreads_step_pid)
{
- child_resume (pid, 1, linuxthreads_step_signo);
+ child_resume (pid_to_ptid (pid), 1, linuxthreads_step_signo);
}
else
{
- child_resume (pid, 0, TARGET_SIGNAL_0);
+ child_resume (pid_to_ptid (pid), 0, TARGET_SIGNAL_0);
}
}
}
/* Detach a thread */
static void
-detach_thread (pid)
- int pid;
+detach_thread (int pid)
{
- if (in_thread_list (pid) && linuxthreads_thread_alive (pid))
+ ptid_t ptid = pid_to_ptid (pid);
+
+ if (in_thread_list (ptid) && linuxthreads_thread_alive (ptid))
{
/* Remove pending SIGTRAP and SIGSTOP */
linuxthreads_find_trap (pid, 1);
- inferior_pid = pid;
+ inferior_ptid = ptid;
detach (TARGET_SIGNAL_0);
- inferior_pid = linuxthreads_manager_pid;
+ inferior_ptid = pid_to_ptid (linuxthreads_manager_pid);
}
}
/* Attach a thread */
void
-attach_thread (pid)
- int pid;
+attach_thread (int pid)
{
if (ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0) != 0)
perror_with_name ("attach_thread");
/* Stop a thread */
static void
-stop_thread (pid)
- int pid;
+stop_thread (int pid)
{
- if (pid != inferior_pid)
+ if (pid != PIDGET (inferior_ptid))
{
- if (in_thread_list (pid))
+ if (in_thread_list (pid_to_ptid (pid)))
{
kill (pid, SIGSTOP);
}
else if (ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0) == 0)
{
if (!linuxthreads_attach_pending)
- printf_filtered ("[New %s]\n", target_pid_to_str (pid));
- add_thread (pid);
+ printf_filtered ("[New %s]\n",
+ target_pid_to_str (pid_to_ptid (pid)));
+ add_thread (pid_to_ptid (pid));
if (linuxthreads_sig_debug.signal)
{
/* After a new thread in glibc 2.1 signals gdb its existence,
/* Wait for a thread */
static void
-wait_thread (pid)
- int pid;
+wait_thread (int pid)
{
int status;
int rpid;
- if (pid != inferior_pid && in_thread_list (pid))
+ if (pid != PIDGET (inferior_ptid) && in_thread_list (pid_to_ptid (pid)))
{
/* loop as long as errno == EINTR:
waitpid syscall may be aborted if GDB receives a signal.
{
break;
}
- if (errno != EINTR && linuxthreads_thread_alive (pid))
+ if (errno != EINTR && linuxthreads_thread_alive (pid_to_ptid (pid)))
perror_with_name ("wait_thread/waitpid");
/* the thread is dead. */
/* Walk through the linuxthreads handles in order to detect all
threads and stop them */
static void
-update_stop_threads (test_pid)
- int test_pid;
+update_stop_threads (int test_pid)
{
struct cleanup *old_chain = NULL;
{
if (linuxthreads_manager)
{
- if (test_pid > 0 && test_pid != inferior_pid)
+ if (test_pid > 0 && test_pid != PIDGET (inferior_ptid))
{
- old_chain = save_inferior_pid ();
- inferior_pid = test_pid;
+ old_chain = save_inferior_ptid ();
+ inferior_ptid = pid_to_ptid (test_pid);
}
read_memory (linuxthreads_manager,
(char *)&linuxthreads_manager_pid, sizeof (pid_t));
}
if (linuxthreads_initial)
{
- if (test_pid > 0 && test_pid != inferior_pid)
+ if (test_pid > 0 && test_pid != PIDGET (inferior_ptid))
{
- old_chain = save_inferior_pid ();
- inferior_pid = test_pid;
+ old_chain = save_inferior_ptid ();
+ inferior_ptid = pid_to_ptid (test_pid);
}
read_memory(linuxthreads_initial,
(char *)&linuxthreads_initial_pid, sizeof (pid_t));
if (linuxthreads_manager_pid != 0)
{
if (old_chain == NULL && test_pid > 0 &&
- test_pid != inferior_pid && linuxthreads_thread_alive (test_pid))
+ test_pid != PIDGET (inferior_ptid)
+ && linuxthreads_thread_alive (pid_to_ptid (test_pid)))
{
- old_chain = save_inferior_pid ();
- inferior_pid = test_pid;
+ old_chain = save_inferior_ptid ();
+ inferior_ptid = pid_to_ptid (test_pid);
}
- if (linuxthreads_thread_alive (inferior_pid))
+ if (linuxthreads_thread_alive (inferior_ptid))
{
if (test_pid > 0)
{
stop_thread (linuxthreads_manager_pid);
wait_thread (linuxthreads_manager_pid);
}
- if (!in_thread_list (test_pid))
+ if (!in_thread_list (pid_to_ptid (test_pid)))
{
if (!linuxthreads_attach_pending)
printf_filtered ("[New %s]\n",
- target_pid_to_str (test_pid));
- add_thread (test_pid);
+ target_pid_to_str (pid_to_ptid (test_pid)));
+ add_thread (pid_to_ptid (test_pid));
if (linuxthreads_sig_debug.signal
- && inferior_pid == test_pid)
+ && PIDGET (inferior_ptid) == test_pid)
{
/* After a new thread in glibc 2.1 signals gdb its
existence, it suspends itself and wait for
static void (*target_new_objfile_chain) (struct objfile *);
void
-linuxthreads_new_objfile (objfile)
- struct objfile *objfile;
+linuxthreads_new_objfile (struct objfile *objfile)
{
struct minimal_symbol *ms;
linuxthreads_breakpoint_zombie = (struct linuxthreads_breakpoint *)
xmalloc (sizeof (struct linuxthreads_breakpoint) * (linuxthreads_max + 1));
- if (inferior_pid &&
+ if (PIDGET (inferior_ptid) != 0 &&
!linuxthreads_attach_pending &&
!using_thread_db) /* suppressed by thread_db module */
{
target_write_memory (linuxthreads_debug, (char *)&on, sizeof (on));
linuxthreads_attach_pending = 1;
- update_stop_threads (inferior_pid);
+ update_stop_threads (PIDGET (inferior_ptid));
linuxthreads_attach_pending = 0;
}
}
/* If we have switched threads from a one that stopped at breakpoint,
- return 1 otherwise 0. */
+ return 1 otherwise 0.
+
+ Note that this implementation is potentially redundant now that
+ default_prepare_to_proceed() has been added.
+
+ FIXME This may not support switching threads after Ctrl-C
+ correctly. The default implementation does support this. */
int
-linuxthreads_prepare_to_proceed (step)
- int step;
+linuxthreads_prepare_to_proceed (int step)
{
if (!linuxthreads_max
|| !linuxthreads_manager_pid
|| !linuxthreads_breakpoint_pid
- || !breakpoint_here_p (read_pc_pid (linuxthreads_breakpoint_pid)))
+ || !breakpoint_here_p (
+ read_pc_pid (pid_to_ptid (linuxthreads_breakpoint_pid))))
return 0;
if (step)
{
/* Mark the current inferior as single stepping process. */
- linuxthreads_step_pid = inferior_pid;
+ linuxthreads_step_pid = PIDGET (inferior_ptid);
}
linuxthreads_inferior_pid = linuxthreads_breakpoint_pid;
/* Convert a pid to printable form. */
char *
-linuxthreads_pid_to_str (pid)
- int pid;
+linuxthreads_pid_to_str (ptid_t ptid)
{
static char buf[100];
+ int pid = PIDGET (ptid);
sprintf (buf, "%s %d%s", linuxthreads_max ? "Thread" : "Pid", pid,
(pid == linuxthreads_manager_pid) ? " (manager thread)"
and wait for the trace-trap that results from attaching. */
static void
-linuxthreads_attach (args, from_tty)
- char *args;
- int from_tty;
+linuxthreads_attach (char *args, int from_tty)
{
if (!args)
error_no_arg ("process-id to attach");
started via the normal ptrace (PTRACE_TRACEME). */
static void
-linuxthreads_detach (args, from_tty)
- char *args;
- int from_tty;
+linuxthreads_detach (char *args, int from_tty)
{
if (linuxthreads_max)
{
continue;
pid = linuxthreads_breakpoint_zombie[i].pid;
- if (!linuxthreads_thread_alive (pid))
+ if (!linuxthreads_thread_alive (pid_to_ptid (pid)))
continue;
- if (linuxthreads_breakpoint_zombie[i].pc != read_pc_pid (pid))
+ if (linuxthreads_breakpoint_zombie[i].pc
+ != read_pc_pid (pid_to_ptid (pid)))
continue;
/* Continue in STEP mode until the thread pc has moved or
until SIGTRAP is found on the same PC. */
if (linuxthreads_find_trap (pid, 0)
- && linuxthreads_breakpoint_zombie[i].pc == read_pc_pid (pid))
+ && linuxthreads_breakpoint_zombie[i].pc
+ == read_pc_pid (pid_to_ptid (pid)))
write_pc_pid (linuxthreads_breakpoint_zombie[i].pc
- - DECR_PC_AFTER_BREAK, pid);
+ - DECR_PC_AFTER_BREAK, pid_to_ptid (pid));
}
/* Detach thread after thread. */
- inferior_pid = linuxthreads_manager_pid;
+ inferior_ptid = pid_to_ptid (linuxthreads_manager_pid);
iterate_active_threads (detach_thread, 1);
/* Remove pending SIGTRAP and SIGSTOP */
- linuxthreads_find_trap (inferior_pid, 1);
+ linuxthreads_find_trap (PIDGET (inferior_ptid), 1);
linuxthreads_wait_last = -1;
WSETSTOP (linuxthreads_exit_status, 0);
signal activated. */
static void
-linuxthreads_resume (pid, step, signo)
- int pid;
- int step;
- enum target_signal signo;
+linuxthreads_resume (ptid_t ptid, int step, enum target_signal signo)
{
if (!linuxthreads_max || stop_soon_quietly || linuxthreads_manager_pid == 0)
{
- child_ops.to_resume (pid, step, signo);
+ child_ops.to_resume (ptid, step, signo);
}
else
{
struct cleanup *old_chain = NULL;
int i;
- if (pid < 0)
+ if (PIDGET (ptid) < 0)
{
- linuxthreads_step_pid = step ? inferior_pid : 0;
+ linuxthreads_step_pid = step ? PIDGET (inferior_ptid) : 0;
linuxthreads_step_signo = signo;
- rpid = inferior_pid;
+ rpid = PIDGET (inferior_ptid);
}
else
- rpid = pid;
+ rpid = PIDGET (ptid);
- if (pid < 0 || !step)
+ if (PIDGET (ptid) < 0 || !step)
{
linuxthreads_breakpoints_inserted = 1;
/* Walk through linuxthreads array in order to resume threads */
- if (pid >= 0 && inferior_pid != pid)
+ if (PIDGET (ptid) >= 0 && !ptid_equal (inferior_ptid, ptid))
{
- old_chain = save_inferior_pid ();
- inferior_pid = pid;
+ old_chain = save_inferior_ptid ();
+ inferior_ptid = ptid;
}
iterate_active_threads (resume_thread, 0);
- if (linuxthreads_manager_pid != inferior_pid
+ if (linuxthreads_manager_pid != PIDGET (inferior_ptid)
&& !linuxthreads_pending_status (linuxthreads_manager_pid))
resume_thread (linuxthreads_manager_pid);
}
for (i = 0; i <= linuxthreads_breakpoint_last; i++)
if (linuxthreads_breakpoint_zombie[i].pid == rpid)
{
- if (linuxthreads_breakpoint_zombie[i].pc != read_pc_pid (rpid))
+ if (linuxthreads_breakpoint_zombie[i].pc
+ != read_pc_pid (pid_to_ptid (rpid)))
{
/* The current pc is out of zombie breakpoint. */
REMOVE_BREAKPOINT_ZOMBIE(i);
/* [unles it has a wait event pending] */
if (!linuxthreads_pending_status (rpid))
{
- child_ops.to_resume (rpid, step, signo);
+ child_ops.to_resume (pid_to_ptid (rpid), step, signo);
}
}
}
/* Abstract out the child_wait functionality. */
int
-linux_child_wait (pid, rpid, status)
- int pid;
- int *rpid;
- int *status;
+linux_child_wait (int pid, int *rpid, int *status)
{
int save_errno;
/* Wait for any threads to stop. We may have to convert PID from a thread id
to a LWP id, and vice versa on the way out. */
-static int
-linuxthreads_wait (pid, ourstatus)
- int pid;
- struct target_waitstatus *ourstatus;
+static ptid_t
+linuxthreads_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
{
int status;
int rpid;
int i;
int last;
int *wstatus;
+ int pid = PIDGET (ptid);
if (linuxthreads_max && !linuxthreads_breakpoints_inserted)
wstatus = alloca (LINUXTHREAD_NSIG * sizeof (int));
if (linuxthreads_inferior_pid)
pid = linuxthreads_inferior_pid;
else if (pid < 0)
- pid = inferior_pid;
+ pid = PIDGET (inferior_ptid);
last = rpid = 0;
}
else if (pid < 0 && linuxthreads_wait_last >= 0)
if (WIFEXITED(linuxthreads_exit_status))
{
store_waitstatus (ourstatus, linuxthreads_exit_status);
- return inferior_pid;
+ return inferior_ptid;
}
else
{
/* Claim it exited with unknown signal. */
ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
- return -1;
+ return pid_to_ptid (-1);
}
}
linuxthreads_breakpoint_zombie[i].pid = rpid;
linuxthreads_breakpoint_last++;
}
- linuxthreads_breakpoint_zombie[i].pc = read_pc_pid (rpid);
+ linuxthreads_breakpoint_zombie[i].pc
+ = read_pc_pid (pid_to_ptid (rpid));
linuxthreads_breakpoint_zombie[i].step = 1;
}
else
wstatus[last++] = status;
}
}
- child_resume (rpid, 1, TARGET_SIGNAL_0);
+ child_resume (pid_to_ptid (rpid), 1, TARGET_SIGNAL_0);
continue;
}
if (linuxthreads_inferior_pid)
{
if (linuxthreads_step_pid == rpid)
{
- child_resume (rpid, 1, linuxthreads_step_signo);
+ child_resume (pid_to_ptid (rpid), 1,
+ linuxthreads_step_signo);
}
else
{
- child_resume (rpid, 0, TARGET_SIGNAL_0);
+ child_resume (pid_to_ptid (rpid), 0, TARGET_SIGNAL_0);
}
}
continue;
{
/* There is a potential zombie breakpoint */
if (WIFEXITED(status)
- || linuxthreads_breakpoint_zombie[i].pc != read_pc_pid (rpid))
+ || linuxthreads_breakpoint_zombie[i].pc
+ != read_pc_pid (pid_to_ptid (rpid)))
{
/* The current pc is out of zombie breakpoint. */
REMOVE_BREAKPOINT_ZOMBIE(i);
{
/* This is a real one ==> decrement PC and restart. */
write_pc_pid (linuxthreads_breakpoint_zombie[i].pc
- - DECR_PC_AFTER_BREAK, rpid);
+ - DECR_PC_AFTER_BREAK, pid_to_ptid (rpid));
if (linuxthreads_step_pid == rpid)
{
- child_resume (rpid, 1, linuxthreads_step_signo);
+ child_resume (pid_to_ptid (rpid), 1, linuxthreads_step_signo);
}
else
{
- child_resume (rpid, 0, TARGET_SIGNAL_0);
+ child_resume (pid_to_ptid (rpid), 0, TARGET_SIGNAL_0);
}
continue;
}
update_stop_threads (rpid);
}
- else if (rpid != inferior_pid)
+ else if (rpid != PIDGET (inferior_ptid))
continue;
store_waitstatus (ourstatus, status);
else if (linuxthreads_breakpoint_pid)
linuxthreads_breakpoint_pid = 0;
- return rpid;
+ return pid_to_ptid (rpid);
}
}
/* Fork an inferior process, and start debugging it with ptrace. */
static void
-linuxthreads_create_inferior (exec_file, allargs, env)
- char *exec_file;
- char *allargs;
- char **env;
+linuxthreads_create_inferior (char *exec_file, char *allargs, char **env)
{
if (!exec_file && !exec_bfd)
{
}
void
-linuxthreads_discard_global_state ()
+linuxthreads_discard_global_state (void)
{
linuxthreads_inferior_pid = 0;
linuxthreads_breakpoint_pid = 0;
/* Clean up after the inferior dies. */
static void
-linuxthreads_mourn_inferior ()
+linuxthreads_mourn_inferior (void)
{
if (linuxthreads_max)
{
/* Kill the inferior process */
static void
-linuxthreads_kill ()
+linuxthreads_kill (void)
{
int rpid;
int status;
- if (inferior_pid == 0)
+ if (PIDGET (inferior_ptid) == 0)
return;
if (linuxthreads_max && linuxthreads_manager_pid != 0)
{
/* Remove all threads status. */
- inferior_pid = linuxthreads_manager_pid;
+ inferior_ptid = pid_to_ptid (linuxthreads_manager_pid);
iterate_active_threads (kill_thread, 1);
}
- kill_thread (inferior_pid);
+ kill_thread (PIDGET (inferior_ptid));
#if 0
/* doing_quit_force solves a real problem, but I think a properly
kill_thread (rpid);
}
else
- while ((rpid = waitpid (inferior_pid, &status, 0)) > 0)
+ while ((rpid = waitpid (PIDGET (inferior_ptid), &status, 0)) > 0)
if (!WIFEXITED(status))
- ptrace (PT_KILL, inferior_pid, (PTRACE_ARG3_TYPE) 0, 0);
+ ptrace (PT_KILL, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) 0, 0);
}
#endif
/* Insert a breakpoint */
static int
-linuxthreads_insert_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+linuxthreads_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
if (linuxthreads_max && linuxthreads_manager_pid != 0)
{
/* Remove a breakpoint */
static int
-linuxthreads_remove_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+linuxthreads_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
{
if (linuxthreads_max && linuxthreads_manager_pid != 0)
{
/* Mark our target-struct as eligible for stray "run" and "attach" commands. */
static int
-linuxthreads_can_run ()
+linuxthreads_can_run (void)
{
return child_suppress_run;
}
\f
static void
-init_linuxthreads_ops ()
+init_linuxthreads_ops (void)
{
linuxthreads_ops.to_shortname = "linuxthreads";
linuxthreads_ops.to_longname = "LINUX threads and pthread.";
}
void
-_initialize_linuxthreads ()
+_initialize_linuxthreads (void)
{
struct sigaction sact;
sigset_t linuxthreads_wait_mask; /* sigset with SIGCHLD */