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Fixes issue #12268: File readline, readlines and read() or readall() methods

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no longer lose data when an underlying read system call is interrupted.
IOError is no longer raised due to a read system call returning EINTR
from within these methods.
This commit is contained in:
Gregory P. Smith 2012-06-24 00:23:47 -07:00
commit 990a5feba7
8 changed files with 295 additions and 15 deletions
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5
Modules/_io/_iomodule.h
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@ -57,6 +57,11 @@ extern Py_ssize_t _PyIO_find_line_ending(
int translated, int universal, PyObject *readnl,
int kind, char *start, char *end, Py_ssize_t *consumed);
/* Return 1 if an EnvironmentError with errno == EINTR is set (and then
clears the error indicator), 0 otherwise.
Should only be called when PyErr_Occurred() is true.
*/
extern int _PyIO_trap_eintr(void);
#define DEFAULT_BUFFER_SIZE (8 * 1024) /* bytes */