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/*
* Copyright (C) 2024 Free Software Foundation
*
* This program is free software ; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the program ; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <syscalls.h>
#include <testlib.h>
#include <mach/machine/vm_param.h>
#include <mach/std_types.h>
#include <mach/mach_types.h>
#include <mach/vm_wire.h>
#include <mach/vm_param.h>
#include <gnumach.user.h>
#include <mach.user.h>
void test_task()
{
mach_port_t ourtask = mach_task_self();
mach_msg_type_number_t count;
int err;
struct task_basic_info binfo;
count = TASK_BASIC_INFO_COUNT;
err = task_info(ourtask, TASK_BASIC_INFO, (task_info_t)&binfo, &count);
ASSERT_RET(err, "TASK_BASIC_INFO");
ASSERT(binfo.virtual_size > binfo.resident_size, "wrong memory counters");
struct task_events_info einfo;
count = TASK_EVENTS_INFO_COUNT;
err = task_info(ourtask, TASK_EVENTS_INFO, (task_info_t)&einfo, &count);
ASSERT_RET(err, "TASK_EVENTS_INFO");
printf("msgs sent %llu received %llu\n",
einfo.messages_sent, einfo.messages_received);
struct task_thread_times_info ttinfo;
count = TASK_THREAD_TIMES_INFO_COUNT;
err = task_info(ourtask, TASK_THREAD_TIMES_INFO, (task_info_t)&ttinfo, &count);
ASSERT_RET(err, "TASK_THREAD_TIMES_INFO");
printf("run user %lld system %lld\n",
ttinfo.user_time64.seconds, ttinfo.user_time64.nanoseconds);
}
void dummy_thread(void *arg)
{
printf("started dummy thread\n");
while (1)
;
}
void check_threads(thread_t *threads, mach_msg_type_number_t nthreads)
{
for (int tid=0; tid<nthreads; tid++)
{
struct thread_basic_info tinfo;
mach_msg_type_number_t thcount = THREAD_BASIC_INFO_COUNT;
int err = thread_info(threads[tid], THREAD_BASIC_INFO, (thread_info_t)&tinfo, &thcount);
ASSERT_RET(err, "thread_info");
ASSERT(thcount == THREAD_BASIC_INFO_COUNT, "thcount");
printf("th%d (port %d):\n", tid, threads[tid]);
printf(" user time %d.%06d\n", tinfo.user_time.seconds, tinfo.user_time.microseconds);
printf(" system time %d.%06d\n", tinfo.system_time.seconds, tinfo.system_time.microseconds);
printf(" cpu usage %d\n", tinfo.cpu_usage);
printf(" creation time %d.%06d\n", tinfo.creation_time.seconds, tinfo.creation_time.microseconds);
}
}
static void test_task_threads()
{
thread_t *threads;
mach_msg_type_number_t nthreads;
int err;
err = task_threads(mach_task_self(), &threads, &nthreads);
ASSERT_RET(err, "task_threads");
ASSERT(nthreads == 1, "nthreads");
check_threads(threads, nthreads);
thread_t t1 = test_thread_start(mach_task_self(), dummy_thread, 0);
thread_t t2 = test_thread_start(mach_task_self(), dummy_thread, 0);
// let the threads run
msleep(100);
err = task_threads(mach_task_self(), &threads, &nthreads);
ASSERT_RET(err, "task_threads");
ASSERT(nthreads == 3, "nthreads");
check_threads(threads, nthreads);
err = thread_terminate(t1);
ASSERT_RET(err, "thread_terminate");
err = thread_terminate(t2);
ASSERT_RET(err, "thread_terminate");
err = task_threads(mach_task_self(), &threads, &nthreads);
ASSERT_RET(err, "task_threads");
ASSERT(nthreads == 1, "nthreads");
check_threads(threads, nthreads);
}
void test_new_task()
{
int err;
task_t newtask;
err = task_create(mach_task_self(), 1, &newtask);
ASSERT_RET(err, "task_create");
err = task_suspend(newtask);
ASSERT_RET(err, "task_suspend");
err = task_set_name(newtask, "newtask");
ASSERT_RET(err, "task_set_name");
thread_t *threads;
mach_msg_type_number_t nthreads;
err = task_threads(newtask, &threads, &nthreads);
ASSERT_RET(err, "task_threads");
ASSERT(nthreads == 0, "nthreads 0");
test_thread_start(newtask, dummy_thread, 0);
err = task_resume(newtask);
ASSERT_RET(err, "task_resume");
msleep(100); // let the thread run a bit
err = task_threads(newtask, &threads, &nthreads);
ASSERT_RET(err, "task_threads");
ASSERT(nthreads == 1, "nthreads 1");
check_threads(threads, nthreads);
err = thread_terminate(threads[0]);
ASSERT_RET(err, "thread_terminate");
err = task_terminate(newtask);
ASSERT_RET(err, "task_terminate");
}
int test_errors()
{
int err;
err = task_resume(MACH_PORT_NAME_DEAD);
ASSERT(err == MACH_SEND_INVALID_DEST, "task DEAD");
}
int main(int argc, char *argv[], int envc, char *envp[])
{
test_task();
test_task_threads();
test_new_task();
test_errors();
return 0;
}
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