faulthandler: save/restore errno in the two signal handlers
diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index 48c4391..8f83ab8 100644
--- a/Modules/faulthandler.c
+++ b/Modules/faulthandler.c
@@ -238,6 +238,7 @@
unsigned int i;
fault_handler_t *handler = NULL;
PyThreadState *tstate;
+ int save_errno = errno;
if (!fatal_error.enabled)
return;
@@ -285,6 +286,7 @@
_Py_DumpTraceback(fd, tstate);
}
+ errno = save_errno;
#ifdef MS_WINDOWS
if (signum == SIGSEGV) {
/* don't call explictly the previous handler for SIGSEGV in this signal
@@ -593,6 +595,7 @@
{
user_signal_t *user;
PyThreadState *tstate;
+ int save_errno = errno;
user = &user_signals[signum];
if (!user->enabled)
@@ -614,6 +617,7 @@
return;
_Py_DumpTraceback(user->fd, tstate);
}
+ errno = save_errno;
}
static int