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Restore signalhandler in case of error. Fix type of signal handler.

This commit is contained in:
Martin v. Löwis 2002-12-31 14:30:26 +00:00
parent c5f5f87f74
commit c8b2e770cf
1 changed files with 9 additions and 3 deletions
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12
Modules/posixmodule.c
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@ -2744,7 +2744,7 @@ posix_openpty(PyObject *self, PyObject *args)
char * slave_name;
#endif
#if defined(HAVE_DEV_PTMX) && !defined(HAVE_OPENPTY) && !defined(HAVE__GETPTY)
void *sig_saved;
PyOS_sighandler_t sig_saved;
#ifdef sun
extern char *ptsname();
#endif
@ -2769,10 +2769,16 @@ posix_openpty(PyObject *self, PyObject *args)
if (master_fd < 0)
return posix_error();
sig_saved = signal(SIGCHLD, SIG_DFL);
if (grantpt(master_fd) < 0) /* change permission of slave */
/* change permission of slave */
if (grantpt(master_fd) < 0) {
signal(SIGCHLD, sig_saved);
return posix_error();
if (unlockpt(master_fd) < 0) /* unlock slave */
}
/* unlock slave */
if (unlockpt(master_fd) < 0) {
signal(SIGCHLD, sig_saved);
return posix_error();
}
signal(SIGCHLD, sig_saved);
slave_name = ptsname(master_fd); /* get name of slave */
if (slave_name == NULL)