From a9ac7fd64000712fdedd4c38b408ffebd2988156 Mon Sep 17 00:00:00 2001
From: Thorsten Kukuk <kukuk@thkukuk.de>
Date: Thu, 29 Aug 2013 14:09:39 +0200
Subject: Restart waitpid if it returns with EINTR (ticket #17)

* modules/pam_unix/pam_unix_acct.c: run waitpid in a while loop.
* modules/pam_unix/pam_unix_passwd.c: Likewise.
* modules/pam_unix/support.c: Likewise.
---
 modules/pam_unix/pam_unix_acct.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'modules/pam_unix/pam_unix_acct.c')

diff --git a/modules/pam_unix/pam_unix_acct.c b/modules/pam_unix/pam_unix_acct.c
index 4a362f88..7f8250ca 100644
--- a/modules/pam_unix/pam_unix_acct.c
+++ b/modules/pam_unix/pam_unix_acct.c
@@ -142,7 +142,8 @@ int _unix_run_verify_binary(pam_handle_t *pamh, unsigned int ctrl,
     if (child > 0) {
       char buf[32];
       int rc=0;
-      rc=waitpid(child, &retval, 0);  /* wait for helper to complete */
+      /* wait for helper to complete: */
+      while ((rc=waitpid(child, &retval, 0) < 0 && errno == EINTR);
       if (rc<0) {
 	pam_syslog(pamh, LOG_ERR, "unix_chkpwd waitpid returned %d: %m", rc);
 	retval = PAM_AUTH_ERR;
-- 
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