ilusha/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython synced 2026-09-29 11:55:30 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Move the Py_{{BEGIN,END}_ALLOW,BLOCK}_THREADS macros in time_sleep()

Browse source 
to inside floatsleep().  This is necessary because floatsleep() does
the error handling and it must have grabbed the interpreter lock and
thread state before it can do so.
This commit is contained in:
Guido van Rossum 1997-11-03 22:04:46 +00:00
parent 3a44e1b9fb
commit 8607ae2e57
1 changed files with 15 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Modules/timemodule.c
View file

@ -202,13 +202,9 @@ time_sleep(self, args)
double secs;
if (!PyArg_Parse(args, "d", &secs))
return NULL;
Py_BEGIN_ALLOW_THREADS
if (floatsleep(secs) != 0) {
Py_BLOCK_THREADS
return NULL;
}
Py_END_ALLOW_THREADS
Py_INCREF(Py_None);
if (floatsleep(secs) != 0)
return NULL;
Py_INCREF(Py_None);
return Py_None;
}
@ -532,23 +528,29 @@ floatsleep(double secs)
secs = floor(secs);
t.tv_sec = (long)secs;
t.tv_usec = (long)(frac*1000000.0);
Py_BEGIN_ALLOW_THREADS
if (select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &t) != 0) {
Py_BLOCK_THREADS
PyErr_SetFromErrno(PyExc_IOError);
return -1;
}
Py_END_ALLOW_THREADS
#else /* !HAVE_SELECT */
#ifdef macintosh
#define MacTicks (* (long *)0x16A)
long deadline;
deadline = MacTicks + (long)(secs * 60.0);
while (MacTicks < deadline) {
/* XXX Should call some yielding function here */
if (PyErr_CheckSignals())
return -1;
}
#else /* !macintosh */
#ifdef __WATCOMC__
/* XXX Can't interrupt this sleep */
Py_BEGIN_ALLOW_THREADS
delay((int)(secs * 1000 + 0.5)); /* delay() uses milliseconds */
Py_END_ALLOW_THREADS
#else /* !__WATCOMC__ */
#ifdef MSDOS
struct timeb t1, t2;
@ -568,7 +570,9 @@ floatsleep(double secs)
}
for (;;) {
#ifdef QUICKWIN
Py_BEGIN_ALLOW_THREADS
_wyield();
Py_END_ALLOW_THREADS
#endif
if (PyErr_CheckSignals())
return -1;
@ -580,10 +584,14 @@ floatsleep(double secs)
#else /* !MSDOS */
#ifdef MS_WIN32
/* XXX Can't interrupt this sleep */
Py_BEGIN_ALLOW_THREADS
Sleep((int)(secs*1000));
Py_END_ALLOW_THREADS
#else /* !MS_WIN32 */
/* XXX Can't interrupt this sleep */
Py_BEGIN_ALLOW_THREADS
sleep((int)secs);
Py_END_ALLOW_THREADS
#endif /* !MS_WIN32 */
#endif /* !MSDOS */
#endif /* !__WATCOMC__ */