void drain_clients() {
int rc, *fd, pos;
char buf[1024];
fd=NULL;
while ( (fd=(int*)utarray_next(cfg.fds,fd))) {
do {
rc = read(*fd, buf, sizeof(buf));
switch(rc) {
default: fprintf(stderr,"received %d bytes\n", rc); break;
case 0: fprintf(stderr,"fd %d closed\n", *fd); break;
case -1: if (errno == EWOULDBLOCK || errno == EAGAIN) break;
fprintf(stderr, "recv: %s\n", strerror(errno)); break;
}
} while(rc > 0);
if (rc==0) {
fprintf(stderr,"client %d has closed\n", *fd);
close(*fd);
*fd = -1; /* mark for cleanup after forward iteration */
}
}
/* cleanup any sockets that we closed, reverse iteration */
fd=NULL;
while ( (fd=(int*)utarray_prev(cfg.fds,fd))) {
pos = utarray_eltidx(cfg.fds,fd);
if (*fd == -1) utarray_erase(cfg.fds,pos,1);
}
}
static bool valid_exec(Cmdline *cmdline, Cmdstr *cmd, Token *token)
{
if (utarray_eltidx(cmdline->tokens, token) != 1)
return false;
Token *prev = (Token*)utarray_prev(cmdline->tokens, token);
cmd->rev = prev->end == token->start;
return cmd->rev;
}
FCITX_EXPORT_API
void FcitxInstanceRealEnd(FcitxInstance* instance) {
FcitxProfileSave(instance->profile);
FcitxInstanceSaveAllIM(instance);
if (instance->uinormal && instance->uinormal->ui->Destroy)
instance->uinormal->ui->Destroy(instance->uinormal->addonInstance);
if (instance->uifallback && instance->uifallback->ui->Destroy)
instance->uifallback->ui->Destroy(instance->uifallback->addonInstance);
instance->uifallback = NULL;
instance->ui = NULL;
instance->uinormal = NULL;
/* handle exit */
FcitxAddon** pimclass;
FcitxAddon** pfrontend;
FcitxFrontend* frontend;
FcitxInputContext* rec = NULL;
for (pimclass = (FcitxAddon**)utarray_front(&instance->imeclasses);
pimclass != NULL;
pimclass = (FcitxAddon**)utarray_next(&instance->imeclasses, pimclass)
) {
if ((*pimclass)->imclass->Destroy)
(*pimclass)->imclass->Destroy((*pimclass)->addonInstance);
}
for (rec = instance->ic_list; rec != NULL; rec = rec->next) {
pfrontend = (FcitxAddon**)utarray_eltptr(&instance->frontends,
(unsigned int)rec->frontendid);
frontend = (*pfrontend)->frontend;
frontend->CloseIM((*pfrontend)->addonInstance, rec);
}
for (rec = instance->ic_list; rec != NULL; rec = rec->next) {
pfrontend = (FcitxAddon**)utarray_eltptr(&instance->frontends,
(unsigned int)rec->frontendid);
frontend = (*pfrontend)->frontend;
frontend->DestroyIC((*pfrontend)->addonInstance, rec);
}
for (pfrontend = (FcitxAddon**)utarray_front(&instance->frontends);
pfrontend != NULL;
pfrontend = (FcitxAddon**)utarray_next(&instance->frontends, pfrontend)
) {
if (pfrontend == NULL)
continue;
FcitxFrontend* frontend = (*pfrontend)->frontend;
frontend->Destroy((*pfrontend)->addonInstance);
}
FcitxAddon** pmodule;
for (pmodule = (FcitxAddon**) utarray_back(&instance->modules);
pmodule != NULL;
pmodule = (FcitxAddon**) utarray_prev(&instance->modules, pmodule)) {
if (pmodule == NULL)
return;
FcitxModule* module = (*pmodule)->module;
if (module->Destroy)
module->Destroy((*pmodule)->addonInstance);
}
if (instance->sem) {
sem_post(instance->sem);
}
}
void mtex2MML_perform_replacement(UT_array **environment_data_stack, UT_array *rowlines_stack, envType environment_type, UT_array *eqn_number_stack, UT_array *row_spacing_stack)
{
char *a, *attr_rowlines, *attr_rowspacing;
envdata_t env_data;
/* we cut the last char because we can always skip the first row */
if (utarray_len(rowlines_stack) != 0) {
utarray_pop_back(rowlines_stack);
}
if (utarray_len(eqn_number_stack) > 1) {
utarray_erase(eqn_number_stack, 0, 1);
}
unsigned int line_count = utarray_len(rowlines_stack);
/* empty rowlines should be reset */
if (line_count == 0) {
a = "none";
utarray_push_back(rowlines_stack, &a);
}
/* given the row_attribute values, construct an attribute list (separated by spaces) */
UT_string *l;
utstring_new(l);
char **o=NULL;
a = "rowlines=\"";
utstring_printf(l, "%s", a);
while ( (o=(char**)utarray_prev(rowlines_stack,o))) {
utstring_printf(l, "%s ", *o);
}
attr_rowlines = utstring_body(l);
if (strlen(attr_rowlines) > 0) {
mtex2MML_remove_last_char(attr_rowlines); /* remove the final space */
}
/* given the row_spacing values, construct an attribute list (separated by spaces) */
UT_string *s;
utstring_new(s);
char **p=NULL;
while ( (p=(char**)utarray_prev(row_spacing_stack,p))) {
if (environment_type == ENV_SMALLMATRIX && strcmp(*p, "0.5ex") == 0) {
utstring_printf(s, "%s ", "0.2em");
} else if (environment_type == ENV_GATHERED && strcmp(*p, "0.5ex") == 0) {
utstring_printf(s, "%s ", "1.0ex");
} else {
utstring_printf(s, "%s ", *p);
}
}
attr_rowspacing = utstring_body(s);
if (strlen(attr_rowspacing) > 0) {
mtex2MML_remove_last_char(attr_rowspacing); /* remove the final space */
} else {
if (environment_type == ENV_SMALLMATRIX) {
attr_rowspacing = "0.2em";
} else if (environment_type == ENV_GATHERED) {
attr_rowspacing = "1.0ex";
} else {
attr_rowspacing = "0.5ex";
}
}
/* store pertinent metadata */
env_data.rowspacing = attr_rowspacing;
env_data.rowlines = attr_rowlines;
env_data.environment_type = environment_type;
env_data.eqn_numbers = eqn_number_stack;
env_data.line_count = line_count;
utarray_push_back(*environment_data_stack, &env_data);
utstring_free(l);
utstring_free(s);
}
int main(int argc, char *argv[]) {
int opt, rc, n, *fd;
cfg.prog = argv[0];
utarray_new(cfg.clients,&ut_int_icd);
utarray_new(cfg.outbufs,&ut_ptr_icd);
utarray_new(cfg.outidxs, &ut_int_icd);
cfg.set = kv_set_new();
struct epoll_event ev;
UT_string **s;
utstring_new(cfg.s);
utarray_new(output_keys, &ut_str_icd);
utarray_new(output_defaults, &ut_str_icd);
utarray_new(output_types,&ut_int_icd);
while ( (opt=getopt(argc,argv,"vb:p:m:d:rS:h")) != -1) {
switch(opt) {
case 'v': cfg.verbose++; break;
case 'p': cfg.listener_port=atoi(optarg); break;
case 'm': cfg.mb_per_client=atoi(optarg); break;
case 'd': cfg.dir=strdup(optarg); break;
case 'r': cfg.mode=round_robin; break;
case 'b': cfg.config_file=strdup(optarg); break;
case 'S': cfg.stats_file=strdup(optarg); break;
case 'h': default: usage(); break;
}
}
if (cfg.listener_port==0) usage();
if (setup_client_listener()) goto done;
if (cfg.config_file==NULL) goto done;
if (parse_config(cfg.config_file) < 0) goto done;
if ( !(cfg.sp = kv_spoolreader_new(cfg.dir))) goto done;
/* block all signals. we take signals synchronously via signalfd */
sigset_t all;
sigfillset(&all);
sigprocmask(SIG_SETMASK,&all,NULL);
/* a few signals we'll accept via our signalfd */
sigset_t sw;
sigemptyset(&sw);
for(n=0; n < sizeof(sigs)/sizeof(*sigs); n++) sigaddset(&sw, sigs[n]);
/* create the signalfd for receiving signals */
cfg.signal_fd = signalfd(-1, &sw, 0);
if (cfg.signal_fd == -1) {
fprintf(stderr,"signalfd: %s\n", strerror(errno));
goto done;
}
/* set up the epoll instance */
cfg.epoll_fd = epoll_create(1);
if (cfg.epoll_fd == -1) {
fprintf(stderr,"epoll: %s\n", strerror(errno));
goto done;
}
/* add descriptors of interest */
if (new_epoll(EPOLLIN, cfg.listener_fd)) goto done; // new client connections
if (new_epoll(EPOLLIN, cfg.signal_fd)) goto done; // signal socket
alarm(1);
while (epoll_wait(cfg.epoll_fd, &ev, 1, -1) > 0) {
if (cfg.verbose > 1) fprintf(stderr,"epoll reports fd %d\n", ev.data.fd);
if (ev.data.fd == cfg.signal_fd) { if (handle_signal() < 0) goto done; }
else if (ev.data.fd == cfg.listener_fd) { if (accept_client() < 0) goto done; }
else feed_client(ev.data.fd, ev.events);
}
done:
/* free the clients: close and deep free their buffers */
fd=NULL; s=NULL;
while ( (fd=(int*)utarray_prev(cfg.clients,fd))) {
s=(UT_string**)utarray_prev(cfg.outbufs,s);
close(*fd);
utstring_free(*s);
}
utarray_free(cfg.clients);
utarray_free(cfg.outbufs);
utarray_free(cfg.outidxs);
utarray_free(output_keys);
utarray_free(output_defaults);
utarray_free(output_types);
utstring_free(cfg.s);
if (cfg.listener_fd) close(cfg.listener_fd);
if (cfg.signal_fd) close(cfg.signal_fd);
if (cfg.sp) kv_spoolreader_free(cfg.sp);
if (cfg.set) kv_set_free(cfg.set);
return 0;
}