From e99182dab3093f1645f9e4ff216aa752d7443fb1 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Thu, 1 Jan 2026 13:47:45 +0000 Subject: Save/restore errno in all safe wrappers --- src/libenvexec/cspawn.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/libenvexec') diff --git a/src/libenvexec/cspawn.c b/src/libenvexec/cspawn.c index a6e1cc1..73efa0d 100644 --- a/src/libenvexec/cspawn.c +++ b/src/libenvexec/cspawn.c @@ -125,8 +125,10 @@ static inline pid_t cspawn_workaround (pid_t pid, int const *p) if (r == -1) return 0 ; if (r) return (errno = EILSEQ, 0) ; /* child wrote, wtf */ + int se = errno ; do e = waitid(P_PID, pid, &si, WEXITED | WNOHANG | WNOWAIT) ; while (e == -1 && errno == EINTR) ; + errno = se ; if (e == -1) return pid ; /* we're in trouble, but don't leak a child */ if (!si.si_pid) return pid ; /* child is running */ if (si.si_code != CLD_EXITED || si.si_status != 127) return pid ; /* child died after execve(), let caller handle it */ -- cgit v1.3.1