RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-06-01 10:08:10 +00:00
Code Issues Activity Actions

LibC: Remove a bunch of weak pthread_* symbols

Browse source
This commit is contained in:
Tim Schumacher 2022-07-19 17:23:18 +02:00 • committed by Brian Gianforcaro
parent cf4b7e343a
commit 224ac1a307
8 changed files with 67 additions and 137 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Userland/Libraries/LibC/cxxabi.cpp
View file

@ -12,6 +12,7 @@
#include <LibC/bits/pthread_integration.h>
#include <LibC/mallocdefs.h>
#include <assert.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -80,13 +81,13 @@ void __begin_atexit_locking()
int __cxa_atexit(AtExitFunction exit_function, void* parameter, void* dso_handle)
{
__pthread_mutex_lock(&atexit_mutex);
pthread_mutex_lock(&atexit_mutex);
// allocate initial atexit region
if (!atexit_entries) {
atexit_entries = (AtExitEntry*)mmap(nullptr, atexit_region_bytes(), PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
if (atexit_entries == MAP_FAILED) {
__pthread_mutex_unlock(&atexit_mutex);
pthread_mutex_unlock(&atexit_mutex);
perror("__cxa_atexit mmap");
_exit(1);
}
@ -100,7 +101,7 @@ int __cxa_atexit(AtExitFunction exit_function, void* parameter, void* dso_handle
auto* new_atexit_entries = (AtExitEntry*)mmap(nullptr, new_atexit_region_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
if (new_atexit_entries == MAP_FAILED) {
__pthread_mutex_unlock(&atexit_mutex);
pthread_mutex_unlock(&atexit_mutex);
perror("__cxa_atexit mmap (new size)");
return -1;
}
@ -118,7 +119,7 @@ int __cxa_atexit(AtExitFunction exit_function, void* parameter, void* dso_handle
atexit_entries[atexit_entry_count++] = { exit_function, parameter, dso_handle };
lock_atexit_handlers();
__pthread_mutex_unlock(&atexit_mutex);
pthread_mutex_unlock(&atexit_mutex);
return 0;
}
@ -132,7 +133,7 @@ void __cxa_finalize(void* dso_handle)
// Multiple calls to __cxa_finalize shall not result in calling termination function entries multiple times;
// the implementation may either remove entries or mark them finished.
__pthread_mutex_lock(&atexit_mutex);
pthread_mutex_lock(&atexit_mutex);
if (atexit_entry_count > atexit_called_entries->size())
atexit_called_entries->grow(atexit_entry_count, false);
@ -147,13 +148,13 @@ void __cxa_finalize(void* dso_handle)
if (needs_calling) {
dbgln_if(GLOBAL_DTORS_DEBUG, "__cxa_finalize: calling entry[{}] {:p}({:p}) dso: {:p}", entry_index, exit_entry.method, exit_entry.parameter, exit_entry.dso_handle);
atexit_called_entries->set(entry_index, true);
__pthread_mutex_unlock(&atexit_mutex);
pthread_mutex_unlock(&atexit_mutex);
exit_entry.method(exit_entry.parameter);
__pthread_mutex_lock(&atexit_mutex);
pthread_mutex_lock(&atexit_mutex);
}
}
__pthread_mutex_unlock(&atexit_mutex);
pthread_mutex_unlock(&atexit_mutex);
}
__attribute__((noreturn)) void __cxa_pure_virtual()