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ardix/lib/unistd.c

47 lines
1.1 KiB
C

/* See the end of this file for copyright, license, and warranty information. */
#include <ardix/syscall.h>
#include <unistd.h>
ssize_t read(int fildes, void *buf, size_t nbyte)
{
return syscall(SYS_read, (sysarg_t)fildes, (sysarg_t)buf, (sysarg_t)nbyte);
}
ssize_t write(int fildes, const void *buf, size_t nbyte)
{
return syscall(SYS_write, (sysarg_t)fildes, (sysarg_t)buf, (sysarg_t)nbyte);
}
ssize_t sleep(unsigned long int millis)
{
return syscall(SYS_sleep, (sysarg_t)millis);
}
pid_t exec(int (*entry)(void))
{
return (pid_t)syscall(SYS_exec, (sysarg_t)entry);
}
void exit(int status)
{
syscall(SYS_exit, status);
/* make gcc happy */
while (1);
}
/*
* This file is part of Ardix.
* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
*
* Ardix is non-violent software: you may only use, redistribute,
* and/or modify it under the terms of the CNPLv6+ as found in
* the LICENSE file in the source code root directory or at
* <https://git.pixie.town/thufie/CNPL>.
*
* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
* permitted by applicable law. See the CNPLv6+ for details.
*/