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utils: preserve errno in nm_utils_kill_child_sync()

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This commit is contained in:
Thomas Haller 2015-05-03 14:08:31 +02:00
parent aa5cfdd7e1
commit ca4361bd53
1 changed files with 4 additions and 1 deletions
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5
src/NetworkManagerUtils.c
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@ -624,13 +624,15 @@ _sleep_duration_convert_ms_to_us (guint32 sleep_duration_msec)
* sent unless the child already exited. If the child does not exit within @wait_before_kill_msec milliseconds,
* the function will send %SIGKILL and waits for the child indefinitly. If @wait_before_kill_msec is zero, no
* %SIGKILL signal will be sent.
*
* In case of error, errno is preserved to contain the last reason of failure.
**/
gboolean
nm_utils_kill_child_sync (pid_t pid, int sig, guint64 log_domain, const char *log_name,
int *child_status, guint32 wait_before_kill_msec,
guint32 sleep_duration_msec)
{
int status = 0, errsv;
int status = 0, errsv = 0;
pid_t ret;
gboolean success = FALSE;
gboolean was_waiting = FALSE, send_kill = FALSE;
@ -776,6 +778,7 @@ nm_utils_kill_child_sync (pid_t pid, int sig, guint64 log_domain, const char *lo
out:
if (child_status)
*child_status = success ? status : -1;
errno = success ? 0 : errsv;
return success;
}