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#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <dlfcn.h>
#include <stddef.h>
#include <sched.h>
#include <stdarg.h>
#ifdef __APPLE__
#include <mach/mach_time.h>
#endif
// TSan-invisible barrier.
// Tests use it to establish necessary execution order in a way that does not
// interfere with tsan (does not establish synchronization between threads).
typedef unsigned long long invisible_barrier_t;
#ifdef __cplusplus
extern "C" {
#endif
void __tsan_testonly_barrier_init(invisible_barrier_t *barrier,
unsigned count);
void __tsan_testonly_barrier_wait(invisible_barrier_t *barrier);
#ifdef __cplusplus
}
#endif
static inline void barrier_init(invisible_barrier_t *barrier, unsigned count) {
__tsan_testonly_barrier_init(barrier, count);
}
static inline void barrier_wait(invisible_barrier_t *barrier) {
__tsan_testonly_barrier_wait(barrier);
}
// Default instance of the barrier, but a test can declare more manually.
invisible_barrier_t barrier;
void print_address(const char *str, int n, ...) {
fprintf(stderr, "%s", str);
va_list ap;
va_start(ap, n);
while (n--) {
void *p = va_arg(ap, void *);
#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
// On FreeBSD, the %p conversion specifier works as 0x%x and thus does not
// match to the format used in the diagnotic message.
fprintf(stderr, "0x%012lx ", (unsigned long) p);
#elif defined(__mips64)
fprintf(stderr, "0x%010lx ", (unsigned long) p);
#endif
}
fprintf(stderr, "\n");
}
#ifdef __APPLE__
unsigned long long monotonic_clock_ns() {
static mach_timebase_info_data_t timebase_info;
if (timebase_info.denom == 0) mach_timebase_info(&timebase_info);
return (mach_absolute_time() * timebase_info.numer) / timebase_info.denom;
}
#else
unsigned long long monotonic_clock_ns() {
struct timespec t;
clock_gettime(CLOCK_MONOTONIC, &t);
return (unsigned long long)t.tv_sec * 1000000000ull + t.tv_nsec;
}
#endif
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