diff options
Diffstat (limited to 'src/backend/storage/file/fd.c')
| -rw-r--r-- | src/backend/storage/file/fd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c index ea690f05c69..9fd8444ed4d 100644 --- a/src/backend/storage/file/fd.c +++ b/src/backend/storage/file/fd.c @@ -1515,6 +1515,14 @@ PathNameOpenFilePerm(const char *fileName, int fileFlags, mode_t fileMode) /* Close excess kernel FDs. */ ReleaseLruFiles(); + /* + * Descriptors managed by VFDs are implicitly marked O_CLOEXEC. The + * client shouldn't be expected to know which kernel descriptors are + * currently open, so it wouldn't make sense for them to be inherited by + * executed subprograms. + */ + fileFlags |= O_CLOEXEC; + vfdP->fd = BasicOpenFilePerm(fileName, fileFlags, fileMode); if (vfdP->fd < 0) |