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Rewrite special file handling on Windows

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This change gets GNU grep working. What caused it to not work, is it
wouldn't write to an output file descriptor when its dev/ino equaled
/dev/null's. So now we invent special dev/ino values for these files
This commit is contained in:
Justine Tunney 2023-10-14 01:06:00 -07:00
parent aca2261cda
commit 2db2f40a98
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GPG key ID: BE714B4575D6E328
53 changed files with 485 additions and 299 deletions
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3
libc/proc/getrusage-nt.c
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@ -21,6 +21,7 @@
#include "libc/calls/struct/rusage.internal.h"
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/fmt/wintime.internal.h"
#include "libc/intrin/atomic.h"
#include "libc/nt/accounting.h"
#include "libc/nt/process.h"
#include "libc/nt/runtime.h"
@ -75,7 +76,7 @@ textwindows int sys_getrusage_nt(int who, struct rusage *usage) {
.ru_majflt = memcount.PageFaultCount,
.ru_inblock = iocount.ReadOperationCount,
.ru_oublock = iocount.WriteOperationCount,
.ru_nsignals = __sig.count,
.ru_nsignals = atomic_load_explicit(&__sig.count, memory_order_acquire),
};
if (who == RUSAGE_BOTH) {