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Kenrel: Separate pthread API from kernel API

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It didn't really make sense for the syscalls to be named as the pthread
equivalents. Now the kernel just uses thread ids
This commit is contained in:
Bananymous
2026-07-02 19:11:49 +03:00
parent 5540bc4147
commit f449ca8161
10 changed files with 58 additions and 62 deletions
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12
userspace/libraries/LibC/include/sys/syscall.h
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@@ -100,12 +100,12 @@ __BEGIN_DECLS
O(SYS_GET_FSBASE, get_fsbase) \
O(SYS_SET_GSBASE, set_gsbase) \
O(SYS_GET_GSBASE, get_gsbase) \
O(SYS_PTHREAD_CREATE, pthread_create) \
O(SYS_PTHREAD_EXIT, pthread_exit) \
O(SYS_PTHREAD_JOIN, pthread_join) \
O(SYS_PTHREAD_SELF, pthread_self) \
O(SYS_PTHREAD_KILL, pthread_kill) \
O(SYS_PTHREAD_DETACH, pthread_detach) \
O(SYS_THREAD_CREATE, thread_create) \
O(SYS_THREAD_EXIT, thread_exit) \
O(SYS_THREAD_JOIN, thread_join) \
O(SYS_THREAD_GETID, thread_getid) \
O(SYS_THREAD_KILL, thread_kill) \
O(SYS_THREAD_DETACH, thread_detach) \
O(SYS_EPOLL_CREATE1, epoll_create1) \
O(SYS_EPOLL_CTL, epoll_ctl) \
O(SYS_EPOLL_PWAIT2, epoll_pwait2) \

12
userspace/libraries/LibC/pthread.cpp
View File

@@ -62,7 +62,7 @@ asm(
extern "C" void _pthread_trampoline_cpp(void* arg)
{
auto info = *reinterpret_cast<pthread_trampoline_info_t*>(arg);
info.uthread->id = syscall(SYS_PTHREAD_SELF);
info.uthread->id = syscall(SYS_THREAD_GETID);
#if defined(__x86_64__)
syscall(SYS_SET_FSBASE, info.uthread);
#elif defined(__i686__)
@@ -432,7 +432,7 @@ int pthread_create(pthread_t* __restrict thread_id, const pthread_attr_t* __rest
info->uthread = uthread;
}
syscall_ret = syscall(SYS_PTHREAD_CREATE, attr, _pthread_trampoline, info);
syscall_ret = syscall(SYS_THREAD_CREATE, _pthread_trampoline, info);
if (syscall_ret == -1)
goto pthread_create_error;
@@ -450,7 +450,7 @@ pthread_create_error:
int pthread_detach(pthread_t thread)
{
return syscall(SYS_PTHREAD_DETACH, thread);
return syscall(SYS_THREAD_DETACH, thread);
}
void pthread_exit(void* value_ptr)
@@ -486,7 +486,7 @@ void pthread_exit(void* value_ptr)
}
free_uthread(uthread);
syscall(SYS_PTHREAD_EXIT, value_ptr);
syscall(SYS_THREAD_EXIT, value_ptr);
ASSERT_NOT_REACHED();
}
@@ -495,7 +495,7 @@ int pthread_join(pthread_t thread, void** value_ptr)
do {
pthread_testcancel();
errno = 0;
} while (syscall(SYS_PTHREAD_JOIN, thread, value_ptr) == -1 && errno == EINTR);
} while (syscall(SYS_THREAD_JOIN, thread, value_ptr) == -1 && errno == EINTR);
return errno;
}
@@ -528,7 +528,7 @@ static pthread_mutex_t s_atfork_mutex = PTHREAD_MUTEX_INITIALIZER;
void _pthread_call_atfork(int state)
{
if (state == _PTHREAD_ATFORK_CHILD)
_get_uthread()->id = syscall(SYS_PTHREAD_SELF);
_get_uthread()->id = syscall(SYS_THREAD_GETID);
pthread_mutex_lock(&s_atfork_mutex);

6
userspace/libraries/LibC/signal.cpp
View File

@@ -1,5 +1,6 @@
#include <BAN/Assert.h>
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <string.h>
#include <sys/syscall.h>
@@ -40,7 +41,7 @@ void psignal(int signum, const char* message)
int pthread_kill(pthread_t thread, int sig)
{
if (syscall(SYS_PTHREAD_KILL, thread, sig) == -1)
if (syscall(SYS_THREAD_KILL, thread, sig) == -1)
return errno;
return 0;
}
@@ -54,8 +55,7 @@ int pthread_sigmask(int how, const sigset_t* __restrict set, sigset_t* __restric
int raise(int sig)
{
// FIXME: won't work after multithreaded
return kill(getpid(), sig);
return pthread_kill(pthread_self(), sig);
}
int sigaction(int sig, const struct sigaction* __restrict act, struct sigaction* __restrict oact)

4
userspace/libraries/LibC/unistd.cpp
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@@ -66,7 +66,7 @@ extern "C" void _init_libc(char** environ, init_funcs_t init_funcs, init_funcs_t
#endif
{
self->cleanup_stack = nullptr;
self->id = syscall(SYS_PTHREAD_SELF);
self->id = syscall(SYS_THREAD_GETID);
self->errno_ = 0;
self->cancel_type = PTHREAD_CANCEL_DEFERRED;
self->cancel_state = PTHREAD_CANCEL_ENABLE;
@@ -84,7 +84,7 @@ extern "C" void _init_libc(char** environ, init_funcs_t init_funcs, init_funcs_t
.master_tls_module_count = 1,
.dynamic_tls = nullptr,
.cleanup_stack = nullptr,
.id = static_cast<pthread_t>(syscall(SYS_PTHREAD_SELF)),
.id = static_cast<pthread_t>(syscall(SYS_THREAD_GETID)),
.errno_ = 0,
.cancel_type = PTHREAD_CANCEL_DEFERRED,
.cancel_state = PTHREAD_CANCEL_ENABLE,

4
userspace/programs/DynamicLoader/main.cpp
View File

@@ -223,7 +223,7 @@ constexpr uintptr_t SYM_NOT_FOUND = -1;
static void lock_global_lock()
{
const pthread_t tid = syscall(SYS_PTHREAD_SELF);
const pthread_t tid = syscall(SYS_THREAD_GETID);
pthread_t expected = 0;
while (!s_global_locker.compare_exchange(expected, tid))
@@ -1359,7 +1359,7 @@ static void initialize_tls(MasterTLS master_tls)
.master_tls_module_count = master_tls.module_count,
.dynamic_tls = s_dynamic_tls,
.cleanup_stack = nullptr,
.id = static_cast<pthread_t>(syscall(SYS_PTHREAD_SELF)),
.id = static_cast<pthread_t>(syscall(SYS_THREAD_GETID)),
.errno_ = 0,
.cancel_type = PTHREAD_CANCEL_DEFERRED,
.cancel_state = PTHREAD_CANCEL_ENABLE,