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syscalls: implement sysctl and add process listing

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Matheus
2026-06-09 17:47:27 -03:00
parent 770a300618
commit 659b29ef4e
18 changed files with 428 additions and 8 deletions
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patches/mlibc/jinx-working-patch.patch
+108 -2
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@@ -411,6 +411,37 @@ index ba9a520..b958ef3 100644
.section .note.GNU-stack,"",%progbits
-
diff --git mlibc-clean/sysdeps/astral/generic/astral.cpp mlibc-workdir/sysdeps/astral/generic/astral.cpp
index a86353f..3e1a18c 100644
--- mlibc-clean/sysdeps/astral/generic/astral.cpp
+++ mlibc-workdir/sysdeps/astral/generic/astral.cpp
@@ -1,13 +1,25 @@
#include <astral/syscall.h>
#include <astral/archctl.h>
+#include <astral/sysctl.h>
#include <errno.h>
#ifndef MLIBC_BUILDING_RTLD
+int sysctl(const int *name, size_t name_len, void *oldp, size_t *old_lenp, void *newp, size_t new_len) {
+ long ret;
+ long error = syscall(SYSCALL_SYSCTL, &ret, (uint64_t)name, name_len, (uint64_t)oldp, (uint64_t)old_lenp, (uint64_t)newp, new_len);
+ if (error) {
+ errno = error;
+ return -1;
+ }
+
+ return 0;
+}
+
int arch_ctl(int func, void *arg) {
long ret;
long error = syscall(SYSCALL_ARCHCTL, &ret, func, (uint64_t)arg);
- if(error)
+ if (error)
errno = error;
return error ? -1 : ret;
}
diff --git mlibc-clean/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
index 3b04372..b7a8ab7 100644
--- mlibc-clean/sysdeps/astral/generic/generic.cpp
@@ -942,10 +973,10 @@ index 7e4f2a1..ecc2677 100644
#ifdef __cplusplus
extern "C" {
diff --git mlibc-clean/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
index a6c4067..fd38197 100644
index a6c4067..160a140 100644
--- mlibc-clean/sysdeps/astral/include/astral/syscall.h
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -103,6 +103,12 @@
@@ -103,6 +103,13 @@
#define SYSCALL_SYSINFO 96
#define SYSCALL_WRITEV 97
#define SYSCALL_READV 98
@@ -955,9 +986,72 @@ index a6c4067..fd38197 100644
+#define SYSCALL_GETSOCKOPT 102
+#define SYSCALL_CLOCK_GETRES 103
+#define SYSCALL_SETPRIORITY 104
+#define SYSCALL_SYSCTL 105
#ifndef __MLIBC_ABI_ONLY
diff --git mlibc-workdir/sysdeps/astral/include/astral/sysctl.h mlibc-workdir/sysdeps/astral/include/astral/sysctl.h
new file mode 100644
index 0000000..161f634
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/include/astral/sysctl.h
@@ -0,0 +1,56 @@
+#ifndef _ASTRAL_SYSCTL_H
+#define _ASTRAL_SYSCTL_H
+
+#include <bits/size_t.h>
+#include <abi-bits/uid_t.h>
+#include <abi-bits/gid_t.h>
+#include <abi-bits/pid_t.h>
+#include <bits/ansi/timespec.h>
+
+#define SYS_CTL_NAME_MAX 6
+
+#define SYS_CTL_KERN 1
+#define SYS_CTL_KERN_PROC 1
+#define SYS_CTL_KERN_PROC_ALL 1
+
+#define SYS_CTL_KERN_PROC_INFO_NAME_SIZE 64
+#define SYS_CTL_KERN_PROC_INFO_TTY_NAME_SIZE 64
+
+typedef struct {
+ pid_t pid;
+ uid_t uid;
+ uid_t euid;
+ uid_t suid;
+ gid_t gid;
+ gid_t egid;
+ gid_t sgid;
+ size_t thread_count;
+ char name[SYS_CTL_KERN_PROC_INFO_NAME_SIZE];
+ pid_t ppid;
+ pid_t pgid;
+ pid_t sid;
+ struct timespec start_timestamp;
+ struct timespec total_runtime;
+ int state;
+ int cpu_time;
+ int nice;
+ size_t virtual_pages;
+ size_t physical_pages;
+ char tty_name[SYS_CTL_KERN_PROC_INFO_TTY_NAME_SIZE];
+} sysctl_proc_info_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int sysctl(const int *__name, size_t __name_len, void *__oldp, size_t *__old_lenp, void *__newp, size_t __new_len);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ASTRAL_SYSCTL_H */
diff --git mlibc-clean/sysdeps/astral/include/mlibc/sysdeps.hpp mlibc-workdir/sysdeps/astral/include/mlibc/sysdeps.hpp
index ce91084..54ee08e 100644
--- mlibc-clean/sysdeps/astral/include/mlibc/sysdeps.hpp
@@ -1030,6 +1124,18 @@ index ce91084..54ee08e 100644
{};
template<typename Tag>
diff --git mlibc-clean/sysdeps/astral/meson.build mlibc-workdir/sysdeps/astral/meson.build
index 43dd6b0..3e01e87 100644
--- mlibc-clean/sysdeps/astral/meson.build
+++ mlibc-workdir/sysdeps/astral/meson.build
@@ -86,6 +86,7 @@ if not no_headers
install_headers(
'include/astral/syscall.h',
'include/astral/archctl.h',
+ 'include/astral/sysctl.h',
subdir: 'astral',
follow_symlinks: true,
)
diff --git mlibc-clean/sysdeps/linux/generic/sysdeps.cpp mlibc-workdir/sysdeps/linux/generic/sysdeps.cpp
index a07ed53..1474470 100644
--- mlibc-clean/sysdeps/linux/generic/sysdeps.cpp