static void trigger_server_wakeup(int fd)
{
char buf[TRIGGER_BUF_SIZE];
int len;
/*
* Commit suicide when the master process disconnected from us. Don't
* drop the already accepted client request after "postfix reload"; that
* would be rude.
*/
if (master_notify(var_pid, trigger_server_generation, MASTER_STAT_TAKEN) < 0)
/* void */ ;
if (trigger_server_in_flow_delay && mail_flow_get(1) < 0)
doze(var_in_flow_delay * 1000000);
if ((len = read(fd, buf, sizeof(buf))) >= 0)
trigger_server_service(buf, len, trigger_server_name,
trigger_server_argv);
if (master_notify(var_pid, trigger_server_generation, MASTER_STAT_AVAIL) < 0)
trigger_server_abort(EVENT_NULL_TYPE, EVENT_NULL_CONTEXT);
if (var_idle_limit > 0)
event_request_timer(trigger_server_timeout, (char *) 0, var_idle_limit);
/* Avoid integer wrap-around in a persistent process. */
if (use_count < INT_MAX)
use_count++;
}
int dict_load_file_xt(const char *dict_name, const char *path)
{
VSTREAM *fp;
struct stat st;
time_t before;
time_t after;
/*
* Read the file again if it is hot. This may result in reading a partial
* parameter name when a file changes in the middle of a read.
*/
for (before = time((time_t *) 0); /* see below */ ; before = after) {
if ((fp = vstream_fopen(path, O_RDONLY, 0)) == 0)
return (0);
dict_load_fp(dict_name, fp);
if (fstat(vstream_fileno(fp), &st) < 0)
msg_fatal("fstat %s: %m", path);
if (vstream_ferror(fp) || vstream_fclose(fp))
msg_fatal("read %s: %m", path);
after = time((time_t *) 0);
if (st.st_mtime < before - 1 || st.st_mtime > after)
break;
if (msg_verbose > 1)
msg_info("pausing to let %s cool down", path);
doze(300000);
}
return (1);
}
void load_file(const char *path, LOAD_FILE_FN action, void *context)
{
VSTREAM *fp;
struct stat st;
time_t before;
time_t after;
/*
* Read the file again if it is hot. This may result in reading a partial
* parameter name or missing end marker when a file changes in the middle
* of a read.
*/
for (before = time((time_t *) 0); /* see below */ ; before = after) {
if ((fp = vstream_fopen(path, O_RDONLY, 0)) == 0)
msg_fatal("open %s: %m", path);
action(fp, context);
if (fstat(vstream_fileno(fp), &st) < 0)
msg_fatal("fstat %s: %m", path);
if (vstream_ferror(fp) || vstream_fclose(fp))
msg_fatal("read %s: %m", path);
after = time((time_t *) 0);
if (st.st_mtime < before - 1 || st.st_mtime > after)
break;
if (msg_verbose)
msg_info("pausing to let %s cool down", path);
doze(300000);
}
}
int main(int argc, char **argv)
{
unsigned delay;
if (argc != 2 || (delay = atol(argv[1])) == 0)
msg_fatal("usage: %s microseconds", argv[0]);
doze(delay);
exit(0);
}
static int
rvec_msr_pow( int dummy_rvec )
{
#if 1
mregs->msr &= ~MSR_POW;
#endif
if( (mregs->processor >= 8 || mregs->processor == 3)
&& (mregs->spr[S_HID0] & (MOL_BIT(8)|MOL_BIT(9)|MOL_BIT(10))) )
doze();
return 0;
}
static void fail_connect(SESSION *session)
{
if (session->connect_count-- == 1)
msg_fatal("connect: %m");
msg_warn("connect: %m");
event_disable_readwrite(vstream_fileno(session->stream));
vstream_fclose(session->stream);
session->stream = 0;
#ifdef MISSING_USLEEP
doze(10);
#else
usleep(10);
#endif
start_connect(session);
}
void
idlehands(void)
{
char *msgb = "idlehands called with splhi\n";
char *msga = "doze returns with splhi\n";
if(!islo()){
uartputs(msga, strlen(msga));
spllo();
}
doze();
if(!islo()){
uartputs(msgb, strlen(msgb));
spllo();
}
}
void rand_sleep(unsigned delay, unsigned variation)
{
const char *myname = "rand_sleep";
unsigned usec;
/*
* Sanity checks.
*/
if (delay == 0)
msg_panic("%s: bad delay %d", myname, delay);
if (variation > delay)
msg_panic("%s: bad variation %d", myname, variation);
/*
* Use the semi-crappy random number generator.
*/
usec = (delay - variation / 2) + variation * (double) myrand() / RAND_MAX;
doze(usec);
}
static void single_server_wakeup(int fd, HTABLE *attr)
{
VSTREAM *stream;
char *tmp;
/*
* If the accept() succeeds, be sure to disable non-blocking I/O, because
* the application is supposed to be single-threaded. Notice the master
* of our (un)availability to service connection requests. Commit suicide
* when the master process disconnected from us. Don't drop the already
* accepted client request after "postfix reload"; that would be rude.
*/
if (msg_verbose)
msg_info("connection established");
non_blocking(fd, BLOCKING);
close_on_exec(fd, CLOSE_ON_EXEC);
stream = vstream_fdopen(fd, O_RDWR);
tmp = concatenate(single_server_name, " socket", (char *) 0);
vstream_control(stream,
CA_VSTREAM_CTL_PATH(tmp),
CA_VSTREAM_CTL_CONTEXT((void *) attr),
CA_VSTREAM_CTL_END);
myfree(tmp);
timed_ipc_setup(stream);
if (master_notify(var_pid, single_server_generation, MASTER_STAT_TAKEN) < 0)
/* void */ ;
if (single_server_in_flow_delay && mail_flow_get(1) < 0)
doze(var_in_flow_delay * 1000000);
single_server_service(stream, single_server_name, single_server_argv);
(void) vstream_fclose(stream);
if (master_notify(var_pid, single_server_generation, MASTER_STAT_AVAIL) < 0)
single_server_abort(EVENT_NULL_TYPE, EVENT_NULL_CONTEXT);
if (msg_verbose)
msg_info("connection closed");
/* Avoid integer wrap-around in a persistent process. */
if (use_count < INT_MAX)
use_count++;
if (var_idle_limit > 0)
event_request_timer(single_server_timeout, (void *) 0, var_idle_limit);
if (attr)
htable_free(attr, myfree);
}
static void trigger_server_wakeup(int fd)
{
char buf[TRIGGER_BUF_SIZE];
int len;
/*
* Commit suicide when the master process disconnected from us.
*/
if (master_notify(var_pid, MASTER_STAT_TAKEN) < 0)
trigger_server_abort(EVENT_NULL_TYPE, EVENT_NULL_CONTEXT);
if (trigger_server_in_flow_delay && mail_flow_get(1) < 0)
doze(var_in_flow_delay * 1000000);
if ((len = read(fd, buf, sizeof(buf))) >= 0)
trigger_server_service(buf, len, trigger_server_name,
trigger_server_argv);
if (master_notify(var_pid, MASTER_STAT_AVAIL) < 0)
trigger_server_abort(EVENT_NULL_TYPE, EVENT_NULL_CONTEXT);
if (var_idle_limit > 0)
event_request_timer(trigger_server_timeout, (char *) 0, var_idle_limit);
use_count++;
}
DICT *dict_thash_open(const char *path, int open_flags, int dict_flags)
{
DICT_THASH *dict_thash;
VSTREAM *fp = 0;
struct stat st;
time_t before;
time_t after;
VSTRING *line_buffer = 0;
int lineno;
char *key;
char *value;
HTABLE *table;
HTABLE_INFO *ht;
/*
* Let the optimizer worry about eliminating redundant code.
*/
#define DICT_THASH_OPEN_RETURN(d) { \
DICT *__d = (d); \
if (fp != 0) \
vstream_fclose(fp); \
if (line_buffer != 0) \
vstring_free(line_buffer); \
return (__d); \
} while (0)
/*
* Sanity checks.
*/
if (open_flags != O_RDONLY)
DICT_THASH_OPEN_RETURN(dict_surrogate(DICT_TYPE_THASH, path,
open_flags, dict_flags,
"%s:%s map requires O_RDONLY access mode",
DICT_TYPE_THASH, path));
/*
* Read the flat text file into in-memory hash. Read the file again if it
* may have changed while we were reading.
*/
for (before = time((time_t *) 0); /* see below */ ; before = after) {
if ((fp = vstream_fopen(path, open_flags, 0644)) == 0) {
DICT_THASH_OPEN_RETURN(dict_surrogate(DICT_TYPE_THASH, path,
open_flags, dict_flags,
"open database %s: %m", path));
}
if (line_buffer == 0)
line_buffer = vstring_alloc(100);
lineno = 0;
table = htable_create(13);
while (readlline(line_buffer, fp, &lineno)) {
/*
* Split on the first whitespace character, then trim leading and
* trailing whitespace from key and value.
*/
key = STR(line_buffer);
value = key + strcspn(key, " \t\r\n");
if (*value)
*value++ = 0;
while (ISSPACE(*value))
value++;
trimblanks(key, 0)[0] = 0;
trimblanks(value, 0)[0] = 0;
/*
* Enforce the "key whitespace value" format. Disallow missing
* keys or missing values.
*/
if (*key == 0 || *value == 0) {
msg_warn("%s, line %d: expected format: key whitespace value"
" -- ignoring this line", path, lineno);
continue;
}
if (key[strlen(key) - 1] == ':')
msg_warn("%s, line %d: record is in \"key: value\" format;"
" is this an alias file?", path, lineno);
/*
* Optionally fold the key.
*/
if (dict_flags & DICT_FLAG_FOLD_FIX)
lowercase(key);
/*
* Store the value under the key. Handle duplicates
* appropriately.
*/
if ((ht = htable_locate(table, key)) != 0) {
if (dict_flags & DICT_FLAG_DUP_IGNORE) {
/* void */ ;
} else if (dict_flags & DICT_FLAG_DUP_REPLACE) {
myfree(ht->value);
ht->value = mystrdup(value);
} else if (dict_flags & DICT_FLAG_DUP_WARN) {
msg_warn("%s, line %d: duplicate entry: \"%s\"",
path, lineno, key);
} else {
msg_fatal("%s, line %d: duplicate entry: \"%s\"",
path, lineno, key);
}
} else {
htable_enter(table, key, mystrdup(value));
}
}
/*
* See if the source file is hot.
*/
if (fstat(vstream_fileno(fp), &st) < 0)
msg_fatal("fstat %s: %m", path);
if (vstream_fclose(fp))
msg_fatal("read %s: %m", path);
fp = 0; /* DICT_THASH_OPEN_RETURN() */
after = time((time_t *) 0);
if (st.st_mtime < before - 1 || st.st_mtime > after)
break;
/*
* Yes, it is hot. Discard the result and read the file again.
*/
htable_free(table, myfree);
if (msg_verbose > 1)
msg_info("pausing to let file %s cool down", path);
doze(300000);
}
/*
* Create the in-memory table.
*/
dict_thash = (DICT_THASH *)
dict_alloc(DICT_TYPE_THASH, path, sizeof(*dict_thash));
dict_thash->dict.lookup = dict_thash_lookup;
dict_thash->dict.sequence = dict_thash_sequence;
dict_thash->dict.close = dict_thash_close;
dict_thash->dict.flags = dict_flags | DICT_FLAG_DUP_WARN | DICT_FLAG_FIXED;
if (dict_flags & DICT_FLAG_FOLD_FIX)
dict_thash->dict.fold_buf = vstring_alloc(10);
dict_thash->info = 0;
dict_thash->table = table;
dict_thash->dict.owner.uid = st.st_uid;
dict_thash->dict.owner.status = (st.st_uid != 0);
DICT_THASH_OPEN_RETURN(DICT_DEBUG (&dict_thash->dict));
}