Merged revisions 78527,78550 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r78527 | gregory.p.smith | 2010-02-28 17:22:39 -0800 (Sun, 28 Feb 2010) | 4 lines

  Issue #7242: On Solaris 9 and earlier calling os.fork() from within a
  thread could raise an incorrect RuntimeError about not holding the import
  lock.  The import lock is now reinitialized after fork.
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  r78550 | gregory.p.smith | 2010-02-28 22:01:02 -0800 (Sun, 28 Feb 2010) | 2 lines

  Fix test to be skipped on windows.
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This commit is contained in:
Gregory P. Smith 2010-03-01 06:18:41 +00:00
parent c78d79ce30
commit 24cec9fe07
4 changed files with 72 additions and 15 deletions

View file

@ -3723,14 +3723,18 @@ static PyObject *
posix_fork1(PyObject *self, PyObject *noargs)
{
pid_t pid;
int result;
int result = 0;
_PyImport_AcquireLock();
pid = fork1();
result = _PyImport_ReleaseLock();
if (pid == 0) {
/* child: this clobbers and resets the import lock. */
PyOS_AfterFork();
} else {
/* parent: release the import lock. */
result = _PyImport_ReleaseLock();
}
if (pid == -1)
return posix_error();
if (pid == 0)
PyOS_AfterFork();
if (result < 0) {
/* Don't clobber the OSError if the fork failed. */
PyErr_SetString(PyExc_RuntimeError,
@ -3752,14 +3756,18 @@ static PyObject *
posix_fork(PyObject *self, PyObject *noargs)
{
pid_t pid;
int result;
int result = 0;
_PyImport_AcquireLock();
pid = fork();
result = _PyImport_ReleaseLock();
if (pid == 0) {
/* child: this clobbers and resets the import lock. */
PyOS_AfterFork();
} else {
/* parent: release the import lock. */
result = _PyImport_ReleaseLock();
}
if (pid == -1)
return posix_error();
if (pid == 0)
PyOS_AfterFork();
if (result < 0) {
/* Don't clobber the OSError if the fork failed. */
PyErr_SetString(PyExc_RuntimeError,
@ -3877,11 +3885,12 @@ posix_forkpty(PyObject *self, PyObject *noargs)
_PyImport_AcquireLock();
pid = forkpty(&master_fd, NULL, NULL, NULL);
if (pid == 0)
PyOS_AfterFork();
result = _PyImport_ReleaseLock();
if (pid == -1)
return posix_error();
if (pid == 0)
PyOS_AfterFork();
if (result < 0) {
/* Don't clobber the OSError if the fork failed. */
PyErr_SetString(PyExc_RuntimeError,