3rd-party/linux-kernel-module-cheat
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Comment on gem5's broken GDB on secondary core

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Try to assert on all C programs if thread creation failed. C++ already
throws by default.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2020-06-11 01:00:00 +00:00
parent 0a3ce2f41f
commit ce3ea9faea
4 changed files with 23 additions and 6 deletions
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5
userland/c/atomic.c
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@@ -1,6 +1,7 @@
/* https://cirosantilli.com/linux-kernel-module-cheat#atomic-c */
#if __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__)
#include <assert.h>
#include <stdatomic.h>
#include <stdio.h>
#include <threads.h>
@@ -36,9 +37,9 @@ int main(int argc, char **argv) {
}
threads = malloc(sizeof(thrd_t) * nthreads);
for(size_t i = 0; i < nthreads; ++i)
thrd_create(threads + i, my_thread_main, &niters);
assert(thrd_create(threads + i, my_thread_main, &niters) == thrd_success);
for(size_t i = 0; i < nthreads; ++i)
thrd_join(threads[i], NULL);
assert(thrd_join(threads[i], NULL) == thrd_success);
free(threads);
printf("atomic %u\n", acnt);
printf("non-atomic %u\n", cnt);

4
userland/linux/sched_getaffinity_threads.c
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@@ -43,8 +43,8 @@ int main(void) {
enum NUM_THREADS {NUM_THREADS = 2};
pthread_t threads[NUM_THREADS];
int thread_args[NUM_THREADS];
pthread_create(&threads[0], NULL, main_thread_0, (void*)&thread_args[0]);
pthread_create(&threads[1], NULL, main_thread_1, (void*)&thread_args[1]);
assert(!pthread_create(&threads[0], NULL, main_thread_0, (void*)&thread_args[0]));
assert(!pthread_create(&threads[1], NULL, main_thread_1, (void*)&thread_args[1]));
pthread_join(threads[0], NULL);
pthread_join(threads[1], NULL);
return EXIT_SUCCESS;

4
userland/posix/pthread_mutex.c
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@@ -40,9 +40,9 @@ int main(int argc, char **argv) {
/* Action */
for (i = 0; i < nthreads; ++i)
pthread_create(&threads[i], NULL, main_thread, &niters);
assert(!pthread_create(&threads[i], NULL, main_thread, &niters));
for (i = 0; i < nthreads; ++i)
pthread_join(threads[i], NULL);
assert(!pthread_join(threads[i], NULL));
assert(global == nthreads * niters);
/* Cleanup. */