object-introspection/test/integration_packed.cpp
2022-12-19 06:37:51 -08:00

90 lines
1.8 KiB
C++

#include <folly/Function.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <chrono>
#include <deque>
#include <future>
#include <iostream>
#include <map>
#include <queue>
#include <unordered_map>
#include <vector>
// #include "common/init/Init.h"
static char textPad __attribute__((used));
struct __attribute__((__packed__)) Foo {
char *p; /* 8 bytes */
char c; /* 1 byte */
long x; /* 8 bytes */
};
// struct Foo {
// char *p; /* 8 bytes */
// char c; /* 8 byte */
// long x; /* 8 bytes */
// };
Foo myGlobalFoo;
// pass in the loop counter in the args
int doStuff(Foo &foo) {
return foo.x;
}
void *doit(void *arg) {
int *loopcnt = reinterpret_cast<int *>(arg);
for (int i = 0; i < *loopcnt; ++i) {
Foo foo;
foo.x = *loopcnt;
int result = doStuff(foo);
std::this_thread::sleep_for(std::chrono::milliseconds(10000));
}
pthread_exit(arg);
}
int main(int argc, char *argv[]) {
int i = 0;
int err;
pthread_t tid[2];
char *b;
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " <loopcnt> " << std::endl;
exit(1);
}
int loopcnt = atoi(argv[1]);
std::cout << "main thread = " << syscall(SYS_gettid) << " pid = " << getpid()
<< std::endl;
sleep(1);
for (int i = 0; i < 1; ++i) {
err = pthread_create(&(tid[i]), NULL, &doit, (void **)&loopcnt);
if (err != 0) {
std::cout << "Failed to create thread:[ " << strerror(err) << " ]"
<< std::endl;
}
}
for (int i = 0; i < loopcnt; i++) {
std::cout << "i: " << i << std::endl;
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
}
for (int i = 0; i < 1; ++i) {
pthread_join(tid[i], (void **)&b);
}
exit(EXIT_SUCCESS);
}