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vfs: advisory locking + flock syscall

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Matheus
2025-09-12 00:34:49 -03:00
parent 39ba23f572
commit b6e76f3d1f
14 changed files with 319 additions and 13 deletions
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patches/mlibc/jinx-working-patch.patch
+13 -7
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@@ -84,7 +84,7 @@ index d5ba7b2..a86353f 100644
long error = syscall(SYSCALL_ARCHCTL, &ret, func, (uint64_t)arg);
if(error)
diff --git mlibc-clean/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
index bb85dba..a541845 100644
index bb85dba..5e9e21a 100644
--- mlibc-clean/sysdeps/astral/generic/generic.cpp
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -31,6 +31,12 @@ namespace mlibc {
@@ -100,10 +100,15 @@ index bb85dba..a541845 100644
int sys_getsockopt(int fd, int layer, int number,
void *__restrict buffer, socklen_t *__restrict size) {
(void)size;
@@ -40,6 +46,18 @@ namespace mlibc {
@@ -40,6 +46,23 @@ namespace mlibc {
return 0;
}
+ int sys_flock(int fd, int options) {
+ long r;
+ return syscall(SYSCALL_FLOCK, &r, fd, options);
+ }
+
+ int sys_nice(int nice, int *ret) {
+ long r = -1;
+ long e = syscall(SYSCALL_NICE, &r, nice);
@@ -119,7 +124,7 @@ index bb85dba..a541845 100644
int sys_tgkill(int pid, int tid, int sig) {
long ret;
return syscall(SYSCALL_KILLTHREAD, &ret, pid, tid, sig);
@@ -161,7 +179,18 @@ namespace mlibc {
@@ -161,7 +184,18 @@ namespace mlibc {
*bytes_written = writec;
return error;
}
@@ -139,7 +144,7 @@ index bb85dba..a541845 100644
#ifndef MLIBC_BUILDING_RTLD
typedef struct {
@@ -376,6 +405,12 @@ namespace mlibc {
@@ -376,6 +410,12 @@ namespace mlibc {
return ret;
}
@@ -152,7 +157,7 @@ index bb85dba..a541845 100644
#ifndef MLIBC_BUILDING_RTLD
[[noreturn]] void sys_thread_exit() {
@@ -771,7 +806,7 @@ namespace mlibc {
@@ -771,7 +811,7 @@ namespace mlibc {
int sys_tcb_set(void *pointer) {
long r;
@@ -179,15 +184,16 @@ index d738e02..7e4f2a1 100644
#ifdef __cplusplus
extern "C" {
diff --git mlibc-clean/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
index 5f42d62..09a5d5f 100644
index 5f42d62..6fbb253 100644
--- mlibc-clean/sysdeps/astral/include/astral/syscall.h
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -96,6 +96,8 @@
@@ -96,6 +96,9 @@
#define SYSCALL_SIGTIMEDWAIT 89
#define SYSCALL_SIGPENDING 90
#define SYSCALL_KILLTHREAD 91
+#define SYSCALL_SHUTDOWN 92
+#define SYSCALL_NICE 93
+#define SYSCALL_FLOCK 94
#ifndef __MLIBC_ABI_ONLY