mirror of
https://github.com/yugr/Implib.so
synced 2026-06-08 18:33:41 +00:00
Yury Gribov
86 lines
1.3 KiB
C
86 lines
1.3 KiB
C
/*
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* Copyright 2025 Yury Gribov
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*
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* The MIT License (MIT)
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*
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* Use of this source code is governed by MIT license that can be
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* found in the LICENSE.txt file.
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*/
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#include <dlfcn.h>
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#include <stdio.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <unistd.h>
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#include "interposed.h"
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#if defined __mips && __mips == 32
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// For some reason pthread_create fails with EAGAIN
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#define N 32
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#else
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#define N 128
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#endif
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static int args[N];
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static pthread_t tids[N];
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static pthread_barrier_t b;
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void *run(void *arg_) {
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int rc = pthread_barrier_wait(&b);
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if (PTHREAD_BARRIER_SERIAL_THREAD != rc && 0 != rc)
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abort();
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int *arg = (int *)arg_;
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int (*foo)(int);
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switch(*arg % 5) {
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case 0:
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foo = foo0;
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break;
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case 1:
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foo = foo1;
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break;
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case 2:
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foo = foo2;
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break;
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case 3:
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foo = foo3;
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break;
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case 4:
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foo = foo4;
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break;
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default:
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abort();
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}
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foo(*arg);
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return 0;
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}
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int main() {
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for (int i = 0; i < N; ++i)
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args[i] = i;
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if (0 != pthread_barrier_init(&b, 0, N))
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abort();
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for (int i = 0; i < N; ++i) {
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if (0 != pthread_create(&tids[i], 0, run, &args[i]))
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abort();
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}
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for (int i = 0; i < N; ++i) {
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if (0 != pthread_join(tids[i], 0))
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abort();
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}
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if (bar() == 21)
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printf("Correct result\n");
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return 0;
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}
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