void
OsInit(void)
{
static Bool been_here = FALSE;
static char* admpath = ADMPATH;
static char* devnull = "/dev/null";
char fname[PATH_MAX];
if (!been_here) {
struct sigaction act, oact;
int i;
int siglist[] = { SIGSEGV, SIGQUIT, SIGILL, SIGFPE, SIGBUS,
#ifdef SIGSYS
SIGSYS,
#endif
#ifdef SIGXCPU
SIGXCPU,
#endif
#ifdef SIGXFSZ
SIGXFSZ,
#endif
#ifdef SIGEMT
SIGEMT,
#endif
0 /* must be last */ };
sigemptyset(&act.sa_mask);
#ifdef SA_SIGINFO
act.sa_sigaction = OsSigHandler;
act.sa_flags = SA_SIGINFO;
#else
act.sa_handler = OsSigHandler;
act.sa_flags = 0;
#endif
for (i = 0; siglist[i] != 0; i++) {
if (sigaction(siglist[i], &act, &oact)) {
ErrorF("failed to install signal handler for signal %d: %s\n",
siglist[i], strerror(errno));
}
}
#ifdef HAVE_BACKTRACE
/*
* initialize the backtracer, since the ctor calls dlopen(), which
* calls malloc(), which isn't signal-safe.
*/
do {
void *array;
backtrace(&array, 1);
} while (0);
#endif
#ifdef RTLD_DI_SETSIGNAL
/* Tell runtime linker to send a signal we can catch instead of SIGKILL
* for failures to load libraries/modules at runtime so we can clean up
* after ourselves.
*/
int failure_signal = SIGQUIT;
dlinfo(RTLD_SELF, RTLD_DI_SETSIGNAL, &failure_signal);
#endif
#if !defined(__SCO__) && !defined(__CYGWIN__) && !defined(__UNIXWARE__)
fclose(stdin);
fclose(stdout);
#endif
/*
* If a write of zero bytes to stderr returns non-zero, i.e. -1,
* then writing to stderr failed, and we'll write somewhere else
* instead. (Apparently this never happens in the Real World.)
*/
if (write (2, fname, 0) == -1)
{
FILE *err;
if (strlen (display) + strlen (admpath) + 1 < sizeof fname)
sprintf (fname, admpath, display);
else
strcpy (fname, devnull);
/*
* uses stdio to avoid os dependencies here,
* a real os would use
* open (fname, O_WRONLY|O_APPEND|O_CREAT, 0666)
*/
if (!(err = fopen (fname, "a+")))
err = fopen (devnull, "w");
if (err && (fileno(err) != 2)) {
dup2 (fileno (err), 2);
fclose (err);
}
#if defined(SYSV) || defined(SVR4) || defined(WIN32) || defined(__CYGWIN__)
{
static char buf[BUFSIZ];
setvbuf (stderr, buf, _IOLBF, BUFSIZ);
}
#else
setlinebuf(stderr);
#endif
}
if (getpgrp () == 0)
setpgid (0, 0);
#ifdef RLIMIT_DATA
if (limitDataSpace >= 0)
{
struct rlimit rlim;
if (!getrlimit(RLIMIT_DATA, &rlim))
{
if ((limitDataSpace > 0) && (limitDataSpace < rlim.rlim_max))
rlim.rlim_cur = limitDataSpace;
else
rlim.rlim_cur = rlim.rlim_max;
(void)setrlimit(RLIMIT_DATA, &rlim);
}
}
#endif
#ifdef RLIMIT_STACK
if (limitStackSpace >= 0)
{
struct rlimit rlim;
if (!getrlimit(RLIMIT_STACK, &rlim))
{
if ((limitStackSpace > 0) && (limitStackSpace < rlim.rlim_max))
rlim.rlim_cur = limitStackSpace;
else
rlim.rlim_cur = rlim.rlim_max;
(void)setrlimit(RLIMIT_STACK, &rlim);
}
}
#endif
#ifdef RLIMIT_NOFILE
if (limitNoFile >= 0)
{
struct rlimit rlim;
if (!getrlimit(RLIMIT_NOFILE, &rlim))
{
if ((limitNoFile > 0) && (limitNoFile < rlim.rlim_max))
rlim.rlim_cur = limitNoFile;
else
rlim.rlim_cur = rlim.rlim_max;
(void)setrlimit(RLIMIT_NOFILE, &rlim);
}
}
#endif
LockServer();
been_here = TRUE;
}
TimerInit();
OsVendorInit();
/*
* No log file by default. OsVendorInit() should call LogInit() with the
* log file name if logging to a file is desired.
*/
LogInit(NULL, NULL);
if (!SmartScheduleDisable)
if (!SmartScheduleInit ())
SmartScheduleDisable = TRUE;
}
void
OsInit(void)
{
static Bool been_here = FALSE;
static char* admpath = ADMPATH;
static char* devnull = "/dev/null";
char fname[PATH_MAX];
#ifdef macII
set42sig();
#endif
if (!been_here) {
#if !defined(__SCO__) && !defined(__CYGWIN__) && !defined(__UNIXWARE__)
fclose(stdin);
fclose(stdout);
#endif
/*
* If a write of zero bytes to stderr returns non-zero, i.e. -1,
* then writing to stderr failed, and we'll write somewhere else
* instead. (Apparently this never happens in the Real World.)
*/
if (write (2, fname, 0) == -1)
{
FILE *err;
if (strlen (display) + strlen (admpath) + 1 < sizeof fname)
sprintf (fname, admpath, display);
else
strcpy (fname, devnull);
/*
* uses stdio to avoid os dependencies here,
* a real os would use
* open (fname, O_WRONLY|O_APPEND|O_CREAT, 0666)
*/
if (!(err = fopen (fname, "a+")))
err = fopen (devnull, "w");
if (err && (fileno(err) != 2)) {
dup2 (fileno (err), 2);
fclose (err);
}
#if defined(SYSV) || defined(SVR4) || defined(__UNIXOS2__) || defined(WIN32) || defined(__CYGWIN__)
{
static char buf[BUFSIZ];
setvbuf (stderr, buf, _IOLBF, BUFSIZ);
}
#else
setlinebuf(stderr);
#endif
}
#ifndef X_NOT_POSIX
if (getpgrp () == 0)
setpgid (0, 0);
#else
#if !defined(SYSV) && !defined(WIN32)
if (getpgrp (0) == 0)
setpgrp (0, getpid ());
#endif
#endif
#ifdef RLIMIT_DATA
if (limitDataSpace >= 0)
{
struct rlimit rlim;
if (!getrlimit(RLIMIT_DATA, &rlim))
{
if ((limitDataSpace > 0) && (limitDataSpace < rlim.rlim_max))
rlim.rlim_cur = limitDataSpace;
else
rlim.rlim_cur = rlim.rlim_max;
(void)setrlimit(RLIMIT_DATA, &rlim);
}
}
#endif
#ifdef RLIMIT_STACK
if (limitStackSpace >= 0)
{
struct rlimit rlim;
if (!getrlimit(RLIMIT_STACK, &rlim))
{
if ((limitStackSpace > 0) && (limitStackSpace < rlim.rlim_max))
rlim.rlim_cur = limitStackSpace;
else
rlim.rlim_cur = rlim.rlim_max;
(void)setrlimit(RLIMIT_STACK, &rlim);
}
}
#endif
#ifdef RLIMIT_NOFILE
if (limitNoFile >= 0)
{
struct rlimit rlim;
if (!getrlimit(RLIMIT_NOFILE, &rlim))
{
if ((limitNoFile > 0) && (limitNoFile < rlim.rlim_max))
rlim.rlim_cur = limitNoFile;
else
rlim.rlim_cur = rlim.rlim_max;
#if 0
if (rlim.rlim_cur > MAXSOCKS)
rlim.rlim_cur = MAXSOCKS;
#endif
(void)setrlimit(RLIMIT_NOFILE, &rlim);
}
}
#endif
#ifdef SERVER_LOCK
LockServer();
#endif
been_here = TRUE;
}
TimerInit();
#ifdef DDXOSINIT
OsVendorInit();
#endif
/*
* No log file by default. OsVendorInit() should call LogInit() with the
* log file name if logging to a file is desired.
*/
LogInit(NULL, NULL);
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable)
if (!SmartScheduleInit ())
SmartScheduleDisable = TRUE;
#endif
OsInitAllocator();
if (!OsDelayInitColors) OsInitColors();
}
