From aa8a8811818331cf511681327e3ba95e456f0d33 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 2 May 2020 15:44:11 +0200
Subject: Added many syscalls to get better POSIX compliance

---
 src/userspace/libc/unistd/exec.c    | 7 +++++++
 src/userspace/libc/unistd/exit.c    | 9 +++++++++
 src/userspace/libc/unistd/fork.c    | 7 +++++++
 src/userspace/libc/unistd/get_pid.c | 7 +++++++
 src/userspace/libc/unistd/read.c    | 7 +++++++
 src/userspace/libc/unistd/write.c   | 7 +++++++
 6 files changed, 44 insertions(+)
 create mode 100644 src/userspace/libc/unistd/exec.c
 create mode 100644 src/userspace/libc/unistd/exit.c
 create mode 100644 src/userspace/libc/unistd/fork.c
 create mode 100644 src/userspace/libc/unistd/get_pid.c
 create mode 100644 src/userspace/libc/unistd/read.c
 create mode 100644 src/userspace/libc/unistd/write.c

(limited to 'src/userspace/libc/unistd')

diff --git a/src/userspace/libc/unistd/exec.c b/src/userspace/libc/unistd/exec.c
new file mode 100644
index 0000000..fd08d57
--- /dev/null
+++ b/src/userspace/libc/unistd/exec.c
@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include <syscall.h>
+
+u32 exec(char *path)
+{
+	return syscall_exec(path);
+}
\ No newline at end of file
diff --git a/src/userspace/libc/unistd/exit.c b/src/userspace/libc/unistd/exit.c
new file mode 100644
index 0000000..03b54fe
--- /dev/null
+++ b/src/userspace/libc/unistd/exit.c
@@ -0,0 +1,9 @@
+#include <stdint.h>
+#include <syscall.h>
+
+void exit(u32 code)
+{
+	syscall_exit(code);
+	while (1) {
+	};
+}
\ No newline at end of file
diff --git a/src/userspace/libc/unistd/fork.c b/src/userspace/libc/unistd/fork.c
new file mode 100644
index 0000000..6ca054a
--- /dev/null
+++ b/src/userspace/libc/unistd/fork.c
@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include <syscall.h>
+
+u32 fork()
+{
+	return syscall_fork();
+}
\ No newline at end of file
diff --git a/src/userspace/libc/unistd/get_pid.c b/src/userspace/libc/unistd/get_pid.c
new file mode 100644
index 0000000..c42f460
--- /dev/null
+++ b/src/userspace/libc/unistd/get_pid.c
@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include <syscall.h>
+
+u32 get_pid()
+{
+	return syscall_get_pid();
+}
\ No newline at end of file
diff --git a/src/userspace/libc/unistd/read.c b/src/userspace/libc/unistd/read.c
new file mode 100644
index 0000000..c01baa7
--- /dev/null
+++ b/src/userspace/libc/unistd/read.c
@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include <syscall.h>
+
+u32 sys_read(char *path, u32 offset, u32 count, char *buf)
+{
+	return syscall_read(path, offset, count, buf);
+}
\ No newline at end of file
diff --git a/src/userspace/libc/unistd/write.c b/src/userspace/libc/unistd/write.c
new file mode 100644
index 0000000..c3eec3d
--- /dev/null
+++ b/src/userspace/libc/unistd/write.c
@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include <syscall.h>
+
+u32 sys_write(char *path, u32 offset, u32 count, char *buf)
+{
+	return syscall_write(path, offset, count, buf);
+}
\ No newline at end of file
-- 
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