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Fix fork thread handle leak on windows

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Justine Tunney 2025-01-02 19:09:57 -08:00
parent a15958edc6
commit 538ce338f4
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GPG key ID: BE714B4575D6E328
3 changed files with 3 additions and 4 deletions
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3
libc/intrin/maps.c
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@ -24,7 +24,6 @@
#include "libc/dce.h"
#include "libc/intrin/describebacktrace.h"
#include "libc/intrin/dll.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/maps.h"
#include "libc/macros.h"
#include "libc/nexgen32e/rdtsc.h"
@ -92,7 +91,7 @@ void __maps_init(void) {
// https://lwn.net/Articles/725832/. if we guess too small, then
// slackmap will create a bunch of zombie stacks in __print_maps
// to coverup the undisclosed memory but no cost if we guess big
size_t guardsize = (__maps.rand % 8 + 1) * 1000 * 1024;
size_t guardsize = 1024 * 1024;
guardsize += __pagesize - 1;
guardsize &= -__pagesize;

2
libc/runtime/clone.c
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@ -118,7 +118,7 @@ textwindows static errno_t CloneWindows(int (*func)(void *), char *stk,
wt->arg = arg;
wt->tls = tls;
wt->sp = tip & -16;
if ((h = CreateThread(&kNtIsInheritable, 65536, (void *)WinThreadEntry, wt,
if ((h = CreateThread(0, 65536, (void *)WinThreadEntry, wt,
kNtStackSizeParamIsAReservation, &utid))) {
atomic_init(ptid, utid);
struct CosmoTib *tib = tls;

2
libc/testlib/benchmark.h
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@ -71,7 +71,7 @@ static void _print_benchmark_result(double total_nanos, double work_per_run,
work_unit = " ";
}
printf("%8.2f %-2s %8.2f %s/s %6.2f %s %2dx %s\n", time_value, time_unit,
printf("%8.2f %-2s %8.2f %s/s %6.2f %s %3dx %s\n", time_value, time_unit,
throughput, throughput_unit, work_per_run, work_unit, iterations,
code);
}