mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
78 lines
3.3 KiB
C
78 lines
3.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/struct/sigaction.h"
|
|
#include "libc/intrin/spinlock.h"
|
|
#include "libc/intrin/wait0.internal.h"
|
|
#include "libc/log/log.h"
|
|
#include "libc/mem/mem.h"
|
|
#include "libc/nexgen32e/threaded.h"
|
|
#include "libc/runtime/gc.internal.h"
|
|
#include "libc/runtime/runtime.h"
|
|
#include "libc/runtime/stack.h"
|
|
#include "libc/runtime/sysconf.h"
|
|
#include "libc/sysv/consts/clone.h"
|
|
#include "libc/sysv/consts/map.h"
|
|
#include "libc/sysv/consts/prot.h"
|
|
#include "libc/sysv/consts/sig.h"
|
|
#include "libc/time/time.h"
|
|
|
|
volatile bool gotctrlc;
|
|
|
|
void GotCtrlC(int sig) {
|
|
gotctrlc = true;
|
|
}
|
|
|
|
int Worker(void *arg) {
|
|
uint8_t *p;
|
|
unsigned x = 0;
|
|
struct sigaction sa = {.sa_handler = GotCtrlC};
|
|
sigaction(SIGINT, &sa, 0);
|
|
for (;;) {
|
|
for (p = _base; p < _end; ++p) {
|
|
x += *p;
|
|
if (gotctrlc) {
|
|
return x | x >> 8 | x >> 16 | x >> 24;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
char **tls;
|
|
int i, n, prot, flags;
|
|
ShowCrashReports();
|
|
n = GetCpuCount();
|
|
tls = gc(malloc(n * sizeof(*tls)));
|
|
for (i = 0; i < n; ++i) {
|
|
prot = PROT_READ | PROT_WRITE;
|
|
flags = MAP_STACK | MAP_ANONYMOUS;
|
|
tls[i] = __initialize_tls(malloc(64));
|
|
clone(Worker, mmap(0, GetStackSize(), prot, flags, -1, 0), GetStackSize(),
|
|
CLONE_THREAD | CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
|
|
CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | CLONE_SETTLS,
|
|
0, 0, tls[i], 64, (int *)(tls[i] + 0x38));
|
|
}
|
|
while (!gotctrlc) {
|
|
usleep(1000);
|
|
}
|
|
for (i = 0; i < n; ++i) {
|
|
_wait0((int *)(tls[i] + 0x38));
|
|
free(tls[i]);
|
|
}
|
|
}
|