9e6158d274
Close the unused pipe file descriptors so the parent will notice if
the child exits prematurely. Previously, the parent would block
forever on a read from the pipe.
$ uefisign -c foo.cert -k foo.key -o loader.efi loader.efi.unsigned
uefisign: section points inside the headers
load: 0.06 cmd: uefisign 4502 [piperd] 7.25r 0.00u 0.00s 0% 5968k
... _sleep+0x1be pipe_read+0x3d6 kern_readv+0x8c sys_read+0x83 ...
Reviewed by: trasz
MFC after: 1 week
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D29605
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|---|---|---|
| .. | ||
| child.c | ||
| magic.h | ||
| Makefile | ||
| Makefile.depend | ||
| pe.c | ||
| uefisign.8 | ||
| uefisign.c | ||
| uefisign.h | ||