rust-ape-example/libcosmo/stubs.c

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2022-06-22 03:55:13 +00:00
#include "cosmopolitan.h"
typedef enum {
_URC_NO_REASON = 0,
_URC_FOREIGN_EXCEPTION_CAUGHT = 1,
_URC_FATAL_PHASE2_ERROR = 2,
_URC_FATAL_PHASE1_ERROR = 3,
_URC_NORMAL_STOP = 4,
_URC_END_OF_STACK = 5,
_URC_HANDLER_FOUND = 6,
_URC_INSTALL_CONTEXT = 7,
_URC_CONTINUE_UNWIND = 8
} _Unwind_Reason_Code;
#define UNW_TDEP_CURSOR_LEN 127
typedef uint64_t unw_word_t;
typedef struct unw_cursor {
unw_word_t opaque[UNW_TDEP_CURSOR_LEN];
} unw_cursor_t;
struct _Unwind_Context {
unw_cursor_t cursor;
int end_of_stack;
};
typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context *,
void *);
uintptr_t _Unwind_GetCFA(struct _Unwind_Context *ctx) {
return 0;
}
uintptr_t _Unwind_GetIP(struct _Unwind_Context *ctx) {
return 0;
}
_Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn fn, void *arg) {
return _URC_NORMAL_STOP;
}
void *_Unwind_FindEnclosingFunction(void *arg) {
return NULL;
}
#define MAX_KEYS 64
typedef unsigned pthread_key_t;
typedef void (*dtor)(void*);
typedef struct {
pthread_key_t kval;
dtor d;
void *value;
} tls_t;
static tls_t my_tls[MAX_KEYS] = {0};
static unsigned thread_avail = 0;
int pthread_key_create(pthread_key_t *k, dtor destructor) {
for(pthread_key_t i=1; i<MAX_KEYS; i++) {
if(my_tls[i].kval == 0) {
*k = i;
my_tls[i].kval = i;
my_tls[i].d = destructor;
return 0;
}
}
return -1;
}
void* pthread_getspecific(pthread_key_t k) {
if(k < MAX_KEYS) {
return my_tls[k].value;
}
return NULL;
}
int pthread_setspecific(pthread_key_t k, const void* value) {
if(k < MAX_KEYS) {
my_tls[k].value = value;
return 0;
}
return -1;
}
int pthread_key_delete(pthread_key_t k) {
if (k < MAX_KEYS) {
my_tls[k].kval = 0;
return 0;
}
return -1;
}
int __xpg_strerror_r(int a, char *b, size_t c) {
return strerror_r(a, b, c);
}