commit d96ae84c979ca4198154c5e4ddf44f9ab626355f
parent fef1d6a8707776fec14fada0070e678a03efeacd
Author: Henry Wilson <henry@henryandlizzy.uk>
Date: Mon, 22 Dec 2025 20:53:28 +0000
add sleep
Diffstat:
3 files changed, 35 insertions(+), 10 deletions(-)
diff --git a/linux.hpp b/linux.hpp
@@ -1,11 +1,21 @@
#pragma once
-typedef unsigned long long size_t;
-typedef signed long long ssize_t;
-typedef unsigned long long uintptr_t;
-typedef signed long long intptr_t;
-typedef unsigned long long ino64_t;
-typedef signed long long off64_t;
+using uint64_t = unsigned long long;
+using int64_t = signed long long;
+using uint32_t = unsigned int;
+using int32_t = signed int;
+using uint16_t = unsigned short;
+using int16_t = signed short;
+using uint8_t = unsigned char;
+using int8_t = signed char;
+
+using size_t = uint64_t;
+using ssize_t = int64_t;
+using uintptr_t = uint64_t;
+using intptr_t = int64_t;
+using ino64_t = uint64_t;
+using off64_t = int64_t;
+using time_t = int64_t;
enum {
AT_FDCWD = -100,
@@ -62,9 +72,6 @@ extern "C" {
extern int write(int fd, char const* data, size_t count);
}
extern int write(int fd, span<char const> data);
-
-extern ssize_t writev(int fd, struct iovecc const* iov, size_t count);
-
extern ssize_t write(int fd, span<span<char const> const> data);
extern int openat(int fd, char const* name, int flags, int mode);
@@ -78,10 +85,17 @@ struct linux_dirent64 {
unsigned char d_type; /* File type */
char d_name[]; /* Filename (null-terminated) */
};
-extern ssize_t getdents64(int fd, struct linux_dirent64 dirp[], size_t count);
+extern ssize_t getdents64(int fd, linux_dirent64 dirp[], size_t count);
extern intptr_t mmap(void* addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long off);
+struct timespec {
+ time_t tv_sec; /* Seconds */
+ uint32_t tv_nsec; /* Nanoseconds [0, 999'999'999] */
+};
+
+extern int nanosleep(const timespec *duration, timespec */*_Nullable*/ rem);
+
static unsigned get_errno(ssize_t ret)
{
if (0 > ret && ret >= -0xFFFF)
diff --git a/sleep.cpp b/sleep.cpp
@@ -0,0 +1,7 @@
+#include "linux.hpp"
+
+int main()
+{
+ timespec duration{1, 0};
+ nanosleep(&duration, nullptr);
+}
diff --git a/x86_64.s b/x86_64.s
@@ -61,6 +61,10 @@ extern writev
extern_alias _Z5writei4spanIKS_IKcEE
_syscall 20 syscall3
+extern nanosleep
+extern_alias _Z9nanosleepPK8timespecPS_
+_syscall 35 syscall3
+
extern exit
_syscall 60 syscall3
