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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2026-01-01 13:47:45 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2026-01-01 13:47:45 +0000 |
| commit | e99182dab3093f1645f9e4ff216aa752d7443fb1 (patch) | |
| tree | 175a373c32a58783edd41901d4baf6e68626c7ec /src/libenvexec | |
| parent | 45137c6466050c9468931713a7504eae3d08bfce (diff) | |
| download | skalibs-e99182dab3093f1645f9e4ff216aa752d7443fb1.tar.gz | |
Save/restore errno in all safe wrappers
Diffstat (limited to 'src/libenvexec')
| -rw-r--r-- | src/libenvexec/cspawn.c | 2 |
1 files changed, 2 insertions, 0 deletions
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 */ |