#include <stdio.h>#include <pthread.h> #define	CHECK(var,fmt,val)	printf(fmt "\n",var); if (var != val) errors = 1 typedef enum { tls_a, tls_b, tls_c } tls_enum_type;typedef struct { int tls_d, tls_e, tls_f; } tls_struct_type; typedef struct {    int *init;    signed short *element;} tls_address_type; __thread char tls_char = 42;__thread short tls_short = 43;__thread int tls_init = 44;__thread long long tls_long_long = 45;__thread int tls_zero;__thread float tls_float = 46.0;__thread double tls_double = 47.0;__thread long double tls_long_double = 48.0;__thread int *tls_ptr = (int *)49;__thread tls_enum_type tls_enum = tls_b;__thread tls_struct_type tls_struct = { 50, 51, 52 };__thread signed char tls_signed_char = -5;__thread unsigned char tls_unsigned_char = 250;__thread signed short tls_signed_short = -1234;__thread unsigned short tls_unsigned_short = 60000;__thread signed short tls_array[4] = { -1000, 2000, -3000, 4000 }; #if defined __riscv && __riscv_xlen == 64typedef struct {    char padding[4096];    int value;} tls_large_type; __thread tls_large_type tls_large = { { 0 }, 123456 };#endif static int check_extra(int changed){    volatile int index = 2;     if (changed)        return tls_signed_char != -7 || tls_unsigned_char != 42            || tls_signed_short != -2222 || tls_unsigned_short != 12345            || tls_array[1] != 2222 || tls_array[index] != -3333;     if (tls_signed_char != -5 || tls_unsigned_char != 250        || tls_signed_short != -1234 || tls_unsigned_short != 60000        || tls_array[1] != 2000 || tls_array[index] != -3000)        return 1; #if defined __riscv && __riscv_xlen == 64    if (tls_large.value != 123456)        return 1;#endif    return 0;} static int check(void){    int errors = 0;     CHECK(tls_char, "%d", 42);    CHECK(tls_short, "%d", 43);    CHECK(tls_init, "%d", 44);    CHECK(tls_long_long, "%lld", 45);    CHECK(tls_zero, "%d", 0);    CHECK(tls_float, "%g", 46.0);    CHECK(tls_double, "%g", 47.0);    CHECK(tls_long_double, "%Lg", 48.0);    CHECK(tls_ptr, "%p", (int *)49);    CHECK(tls_enum, "%d", tls_b);    CHECK(tls_struct.tls_d, "%d", 50);    CHECK(tls_struct.tls_e, "%d", 51);    CHECK(tls_struct.tls_f, "%d", 52);    return errors;} static void *thread_func(void *arg){    tls_address_type *main_addresses = arg;    int *init_address = &tls_init;    signed short *element_address = &tls_array[1];    volatile int index = 2;    long errors = check();     if (init_address == main_addresses->init        || element_address == main_addresses->element        || *init_address != 44 || *element_address != 2000        || tls_array[index] != -3000 || check_extra(0))        errors = 1;     tls_char = 10;    tls_short = 20;    tls_init = 30;    tls_long_long = 40;    tls_zero = 50;    tls_float = 60.0;    tls_double = 70.0;    tls_long_double = 80.0;    tls_ptr = (int *)90;    tls_enum = tls_c;    tls_struct.tls_d = 100;    tls_struct.tls_e = 110;    tls_struct.tls_f = 120;    *element_address = 2222;    tls_array[index] = -3333;    tls_signed_char = -7;    tls_unsigned_char = 42;    tls_signed_short = -2222;    tls_unsigned_short = 12345;     CHECK(tls_char, "%d", 10);    CHECK(tls_short, "%d", 20);    CHECK(tls_init, "%d", 30);    CHECK(tls_long_long, "%lld", 40);    CHECK(tls_zero, "%d", 50);    CHECK(tls_float, "%g", 60.0);    CHECK(tls_double, "%g", 70.0);    CHECK(tls_long_double, "%Lg", 80.0);    CHECK(tls_enum, "%d", tls_c);    CHECK(tls_ptr, "%p", (int *)90);    CHECK(tls_struct.tls_d, "%d", 100);    CHECK(tls_struct.tls_e, "%d", 110);    CHECK(tls_struct.tls_f, "%d", 120);     if (*init_address != 30 || *element_address != 2222        || tls_array[index] != -3333 || check_extra(1))        errors = 1;     return (void *)errors;} int main(){    pthread_t t;    void *ret;    int errors = check();    tls_address_type addresses = { &tls_init, &tls_array[1] };     if (*addresses.init != 44 || *addresses.element != 2000        || check_extra(0))        errors = 1;     pthread_create(&t, NULL, thread_func, &addresses);    pthread_join(t, &ret);     errors |= (ret ? 1 : 0) | check();    if (*addresses.init != 44 || *addresses.element != 2000        || check_extra(0))        errors = 1;     printf("errors: %d\n", errors);    return errors;}