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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
#include "tls_test_frame.h"
static void signal_handler_wait_all( int signum)
{
/* Wait for all processes in current process group. */
while ( -1 != wait(NULL));
/* Raise the same signal to kill itself. */
raise( signum);
}
static void signal_handler_kill_process_group( int signum)
{
/* Install an one shot signal handler. */
struct sigaction sig_act;
sig_act.sa_handler = signal_handler_wait_all;
sig_act.sa_flags = SA_RESETHAND;
sigaction( signum, &sig_act, NULL);
/* Send received signal to every process in current process group. */
kill( 0, signum);
}
/* Run test programs. */
INT tls_test_director_test_start( TLS_TEST_DIRECTOR* director_ptr)
{
pid_t pid;
TLS_TEST_INSTANCE* iter, *iter_term, *iter_wait;
INT status = TLS_TEST_SUCCESS, exit_status = 0;
int err = 0;
/* Check parameters. */
return_value_if_fail( NULL != director_ptr, TLS_TEST_INVALID_POINTER);
return_value_if_fail( 0 != director_ptr -> tls_test_registered_test_instances, TLS_TEST_NO_REGISTERED_INSTANCE);
/* Get the first instance. */
iter = director_ptr -> tls_test_first_instance_ptr;
/* Loop to launch all test instances. */
while ( NULL != iter)
{
/* Launch next test instance after given seconds. */
if ( iter -> tls_test_delay)
{
sleep(iter -> tls_test_delay);
}
pid = fork();
/* Error handle. */
show_error_message_if_fail( -1 != pid);
if ( -1 == pid)
{
/* Cleanup all running test process if fail to fork a new process for the new instance. */
for ( iter_term = director_ptr -> tls_test_first_instance_ptr; iter_term != iter; tls_test_instance_find_next( iter_term, &iter_term))
{
/* Kill the process group of the test instance. */
status = kill( - iter_term -> tls_test_instance_current_pid, SIGTERM);
show_error_message_if_fail( -1 != status);
if ( -1 == status)
continue;
/* Get exit status of test instances. */
status = waitpid( iter_term -> tls_test_instance_current_pid, &exit_status, 0);
show_error_message_if_fail( -1 != status);
if ( -1 == status)
continue;
status = tls_test_instance_set_exit_status( iter_term, exit_status);
return_value_if_fail( TLS_TEST_SUCCESS == status, status);
} /* for iter_term */
return TLS_TEST_UNABLE_TO_CREATE_TEST_PROCESS;
} /* if -1 == pid */
/* Child process. */
else if (0 == pid)
{
/* Create a new process group. */
setpgid( 0, 0);
/* Install signal handler for SIGALRM and SIGTERM. */
struct sigaction sig_act;
sig_act.sa_handler = signal_handler_kill_process_group; /* Specify signal handler. */
sig_act.sa_flags = SA_RESETHAND; /* Set the signal handler as a one shot handler. */
status = sigaction( SIGALRM, &sig_act, NULL);
return_value_if_fail( -1 != status, TLS_TEST_SYSTEM_CALL_FAILED);
status = sigaction( SIGTERM, &sig_act, NULL);
return_value_if_fail( -1 != status, TLS_TEST_SYSTEM_CALL_FAILED);
/* Set timeer for the test process. */
alarm( iter -> tls_test_timeout);
/* Enter test entry. */
status = iter -> tls_test_entry( iter);
/* Wait until all child process terminated. */
tls_test_wait_all_child_process( NULL);
exit( status);
}
/* Parent process. */
else
{
/* Set the gid of the child process again. */
setpgid( pid, pid);
iter -> tls_test_instance_current_pid = pid;
iter -> tls_test_instance_status |= TLS_TEST_INSTANCE_STATUS_RUNNING;
tls_test_instance_find_next( iter, &iter);
}
} /* NULL != iter */
/* Wait for all test instances. */
iter_wait = director_ptr -> tls_test_first_instance_ptr;
while (iter_wait != NULL && TLS_TEST_SUCCESS == ( status = tls_test_uninterruptable_wait( &pid, &exit_status)))
{
iter = director_ptr -> tls_test_first_instance_ptr;
while ( NULL != iter)
{
if (iter -> tls_test_instance_current_pid == pid)
{
status = tls_test_instance_set_exit_status( iter, exit_status);
show_error_message_if_fail( TLS_TEST_SUCCESS == status);
if (iter -> tls_test_instance_exit_status != TLS_TEST_SUCCESS)
{
err = 1;
}
break; /* NULL != iter */
} /* if iter -> tls_test_instance_current_pid == pid */
tls_test_instance_find_next( iter, &iter);
} /* NULL != iter */
if (err == 1)
{
for (iter_term = director_ptr -> tls_test_first_instance_ptr; iter_term != NULL;)
{
if (iter != iter_term)
{
/* Kill the process group of the test instance. */
status = kill(-iter_term -> tls_test_instance_current_pid, SIGTERM);
show_error_message_if_fail(-1 != status);
if (-1 != status)
{
/* Get exit status of test instances. */
status = waitpid(iter_term -> tls_test_instance_current_pid, &exit_status, 0);
show_error_message_if_fail(-1 != status);
if (-1 != status)
{
status = tls_test_instance_set_exit_status(iter_term, exit_status);
return_value_if_fail(TLS_TEST_SUCCESS == status, status);
}
}
}
tls_test_instance_find_next( iter_term, &iter_term);
}
break;
}
tls_test_instance_find_next(iter_wait, &iter_wait);
} /* while exited_test_intances < director_ptr -> tls_tset_registered_test_instances */
return TLS_TEST_SUCCESS;
}
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