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LibC: Make pthread_t pointer to uthread instead of a thread id

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This will allow getting info about other threads in userspace!
This commit is contained in:
Bananymous
2026-07-02 19:29:19 +03:00
parent f449ca8161
commit b19b7f064a
8 changed files with 106 additions and 94 deletions
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5
userspace/libraries/LibC/include/bits/types/pthread_t.h
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@@ -7,10 +7,7 @@
__BEGIN_DECLS
#define __need_pid_t
#include <sys/types.h>
typedef pid_t pthread_t;
typedef struct uthread* pthread_t;
__END_DECLS

14
userspace/libraries/LibC/include/bits/types/uthread.h
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@@ -5,9 +5,11 @@
__BEGIN_DECLS
#define __need_pid_t
#define __need_size_t
#include <sys/types.h>
#include <bits/types/pthread_attr_t.h>
#include <bits/types/pthread_key_t.h>
#include <bits/types/pthread_t.h>
#include <limits.h>
@@ -36,18 +38,24 @@ typedef struct _dynamic_tls_t
struct uthread
{
struct uthread* self;
// TLS
void* master_tls_addr;
size_t master_tls_size;
size_t master_tls_module_count;
_dynamic_tls_t* dynamic_tls;
_pthread_cleanup_t* cleanup_stack;
pthread_t id;
// LIBC
pid_t id;
pthread_attr_t attr;
int errno_;
int cancel_type;
int cancel_state;
volatile int canceled;
_pthread_cleanup_t* cleanup_funcs;
pthread_key_t specific_keys[PTHREAD_KEYS_MAX];
void* specific_values[PTHREAD_KEYS_MAX];
void* specific_vals[PTHREAD_KEYS_MAX];
// FIXME: make this dynamic
uintptr_t dtv[1 + 256];
};

2
userspace/libraries/LibC/include/pthread.h
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@@ -168,7 +168,7 @@ void pthread_cleanup_push(void (*routine)(void*), void* arg);
#define _pthread_equal(t1, t2) ((t1) == (t2))
#define _pthread_self() (_get_uthread()->id)
#define _pthread_self() (_get_uthread())
#define _pthread_testcancel() do { \
struct uthread* uthread = _get_uthread(); \