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kernel: close syscall

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Matheus
2023-05-10 20:43:51 -03:00
parent 70c5e992cc
commit eb6edee82f
3 changed files with 23 additions and 6 deletions
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kernel-src/arch/x86-64/syscall.asm
+3 -1
View File
@@ -4,13 +4,15 @@ extern syscall_mmap
extern syscall_openat extern syscall_openat
extern syscall_read extern syscall_read
extern syscall_seek extern syscall_seek
extern syscall_close
syscalltab: syscalltab:
dq syscall_print dq syscall_print
dq syscall_mmap dq syscall_mmap
dq syscall_openat dq syscall_openat
dq syscall_read dq syscall_read
dq syscall_seek dq syscall_seek
syscallcount equ 5 dq syscall_close
syscallcount equ 6
section .text section .text
global arch_syscall_entry global arch_syscall_entry
; on entry: ; on entry:
kernel-src/sys/syscalls/close.c
+13
View File
@@ -0,0 +1,13 @@
#include <kernel/syscalls.h>
#include <kernel/file.h>
syscallret_t syscall_close(context_t *context, int fd) {
syscallret_t ret = {
.ret = -1
};
ret.errno = fd_close(fd);
ret.ret = 0;
return ret;
}
patches/mlibc/jinx-working-patch.patch
+7 -5
View File
@@ -113,10 +113,10 @@ index 0000000..e5b087a
+ +
diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
new file mode 100644 new file mode 100644
index 0000000..b92f59e index 0000000..0f88fe5
--- /dev/null --- /dev/null
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp +++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -0,0 +1,151 @@ @@ -0,0 +1,152 @@
+#include <bits/ensure.h> +#include <bits/ensure.h>
+#include <mlibc/debug.hpp> +#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp> +#include <mlibc/all-sysdeps.hpp>
@@ -244,7 +244,8 @@ index 0000000..b92f59e
+ } + }
+ +
+ int sys_close(int fd) { + int sys_close(int fd) {
+ return ENOSYS; + long r;
+ return syscall(SYSCALL_CLOSE, &r, fd);
+ } + }
+ +
+ int sys_vm_map(void *hint, size_t size, int prot, int flags, int fd, off_t offset, void **window) { + int sys_vm_map(void *hint, size_t size, int prot, int flags, int fd, off_t offset, void **window) {
@@ -287,10 +288,10 @@ index 0000000..990eca0
+#endif +#endif
diff --git mlibc-workdir/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h diff --git mlibc-workdir/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
new file mode 100644 new file mode 100644
index 0000000..1947f70 index 0000000..bb2e40d
--- /dev/null --- /dev/null
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h +++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -0,0 +1,28 @@ @@ -0,0 +1,29 @@
+#ifndef _SYSCALL_H_INCLUDE +#ifndef _SYSCALL_H_INCLUDE
+#define _SYSCALL_H_INCLUDE +#define _SYSCALL_H_INCLUDE
+ +
@@ -299,6 +300,7 @@ index 0000000..1947f70
+#define SYSCALL_OPENAT 2 +#define SYSCALL_OPENAT 2
+#define SYSCALL_READ 3 +#define SYSCALL_READ 3
+#define SYSCALL_SEEK 4 +#define SYSCALL_SEEK 4
+#define SYSCALL_CLOSE 5
+ +
+#include <stddef.h> +#include <stddef.h>
+#include <stdint.h> +#include <stdint.h>