static intptr_t do_spawnv(rktio_t *rktio,
const char *command, int argc, const char * const *argv,
int exact_cmdline, intptr_t sin, intptr_t sout, intptr_t serr, int *pid,
int new_process_group, int chain_termination_here_to_child,
void *env, const char *wd)
{
intptr_t i, l, len = 0;
int use_jo;
intptr_t cr_flag;
char *cmdline;
wchar_t *cmdline_w, *wd_w, *command_w;
STARTUPINFOW startup;
PROCESS_INFORMATION info;
if (exact_cmdline) {
cmdline = (char *)argv[1];
} else {
for (i = 0; i < argc; i++) {
len += strlen(argv[i]) + 1;
}
cmdline = malloc(len);
len = 0;
for (i = 0; i < argc; i++) {
l = strlen(argv[i]);
memcpy(cmdline + len, argv[i], l);
cmdline[len + l] = ' ';
len += l + 1;
}
--len;
cmdline[len] = 0;
}
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESTDHANDLES;
startup.hStdInput = (HANDLE)sin;
startup.hStdOutput = (HANDLE)sout;
startup.hStdError = (HANDLE)serr;
/* If none of the stdio handles are consoles, specifically
create the subprocess without a console: */
if (!rktio_system_fd_is_terminal(rktio, (intptr_t)startup.hStdInput)
&& !rktio_system_fd_is_terminal(rktio, (intptr_t)startup.hStdOutput)
&& !rktio_system_fd_is_terminal(rktio, (intptr_t)startup.hStdError))
cr_flag = CREATE_NO_WINDOW;
else
cr_flag = 0;
if (new_process_group)
cr_flag |= CREATE_NEW_PROCESS_GROUP;
cr_flag |= CREATE_UNICODE_ENVIRONMENT;
use_jo = chain_termination_here_to_child;
if (use_jo) {
/* Use a job object to ensure that the new process will be terminated
if this process ends for any reason (including a crash) */
if (!rktio->process_job_object) {
JOBOBJECT_EXTENDED_LIMIT_INFORMATION jeli;
rktio->process_job_object = CreateJobObject(NULL, NULL);
memset(&jeli, 0, sizeof(jeli));
jeli.BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
SetInformationJobObject(rktio->process_job_object,
JobObjectExtendedLimitInformation,
&jeli,
sizeof(jeli));
}
}
cmdline_w = WIDE_PATH_copy(cmdline);
if (!exact_cmdline)
free(cmdline);
wd_w = WIDE_PATH_copy(wd);
command_w = WIDE_PATH_temp(command);
if (cmdline_w
&& wd_w
&& command_w
&& CreateProcessW(command_w, cmdline_w,
NULL, NULL, 1 /*inherit*/,
cr_flag, env, wd_w,
&startup, &info)) {
if (use_jo)
AssignProcessToJobObject(rktio->process_job_object, info.hProcess);
CloseHandle(info.hThread);
*pid = info.dwProcessId;
free(cmdline_w);
free(wd_w);
return (intptr_t)info.hProcess;
} else {
if (cmdline_w) free(cmdline_w);
if (wd_w) free(wd_w);
return -1;
}
}
int rktio_fd_is_terminal(rktio_t *rktio, rktio_fd_t *rfd)
{
return rktio_system_fd_is_terminal(rktio, (intptr_t)rfd->fd);
}
