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Issue #11382: Trivial system calls, such as dup() or pipe(), needn't

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release the GIL.  Patch by Charles-François Natali.
This commit is contained in:
Antoine Pitrou 2011-04-23 17:21:13 +02:00
parent 00bdbe1d97
commit 877509aef4
2 changed files with 3 additions and 14 deletions
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14
Modules/posixmodule.c
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@ -3083,9 +3083,7 @@ posix_getpriority(PyObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "ii", &which, &who))
return NULL;
errno = 0;
Py_BEGIN_ALLOW_THREADS
retval = getpriority(which, who);
Py_END_ALLOW_THREADS
if (errno != 0)
return posix_error();
return PyLong_FromLong((long)retval);
@ -3105,9 +3103,7 @@ posix_setpriority(PyObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "iii", &which, &who, &prio))
return NULL;
Py_BEGIN_ALLOW_THREADS
retval = setpriority(which, who, prio);
Py_END_ALLOW_THREADS
if (retval == -1)
return posix_error();
Py_RETURN_NONE;
@ -6010,9 +6006,7 @@ posix_dup(PyObject *self, PyObject *args)
return NULL;
if (!_PyVerify_fd(fd))
return posix_error();
Py_BEGIN_ALLOW_THREADS
fd = dup(fd);
Py_END_ALLOW_THREADS
if (fd < 0)
return posix_error();
return PyLong_FromLong((long)fd);
@ -6031,9 +6025,7 @@ posix_dup2(PyObject *self, PyObject *args)
return NULL;
if (!_PyVerify_fd_dup2(fd, fd2))
return posix_error();
Py_BEGIN_ALLOW_THREADS
res = dup2(fd, fd2);
Py_END_ALLOW_THREADS
if (res < 0)
return posix_error();
Py_INCREF(Py_None);
@ -6525,9 +6517,7 @@ posix_pipe(PyObject *self, PyObject *noargs)
HFILE read, write;
APIRET rc;
Py_BEGIN_ALLOW_THREADS
rc = DosCreatePipe( &read, &write, 4096);
Py_END_ALLOW_THREADS
if (rc != NO_ERROR)
return os2_error(rc);
@ -6536,9 +6526,7 @@ posix_pipe(PyObject *self, PyObject *noargs)
#if !defined(MS_WINDOWS)
int fds[2];
int res;
Py_BEGIN_ALLOW_THREADS
res = pipe(fds);
Py_END_ALLOW_THREADS
if (res != 0)
return posix_error();
return Py_BuildValue("(ii)", fds[0], fds[1]);
@ -6546,9 +6534,7 @@ posix_pipe(PyObject *self, PyObject *noargs)
HANDLE read, write;
int read_fd, write_fd;
BOOL ok;
Py_BEGIN_ALLOW_THREADS
ok = CreatePipe(&read, &write, NULL, 0);
Py_END_ALLOW_THREADS
if (!ok)
return win32_error("CreatePipe", NULL);
read_fd = _open_osfhandle((Py_intptr_t)read, 0);