+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause */
-/*
- * Authors: Costin Lupu <costin.lupu@cs.pub.ro>
- *
- * Copyright (c) 2019, University Politehnica of Bucharest. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
- */
-
-#ifndef __UK_PROCESS_H__
-#define __UK_PROCESS_H__
-
-#define UNIKRAFT_PID 1
-#define UNIKRAFT_PPID 0
-#define UNIKRAFT_SID 0
-#define UNIKRAFT_PGID 0
-
-#endif /* __UK_PROCESS_H__ */
+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause */
-/*
- * libnewlib glue code
- *
- * Authors: Felipe Huici <felipe.huici@neclab.eu>
- * Costin Lupu <costin.lupu@cs.pub.ro>
- *
- * Copyright (c) 2017, NEC Europe Ltd., NEC Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
- */
-
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/resource.h>
-#include <uk/process.h>
-#include <uk/print.h>
-#undef errno
-extern int errno;
-
-
-int fork(void)
-{
- /* fork() is not supported on this platform */
- errno = ENOSYS;
- return -1;
-}
-
-static
-void exec_warn(const char *func,
- const char *path, char *const argv[], char *const envp[])
-{
- int i;
-
- uk_pr_warn("%s(): path=%s", func, path);
-
- /* print arguments */
- i = 0;
- uk_pr_warn(" argv=[");
- while (argv[i]) {
- uk_pr_warn("%s%s", (i > 0 ? ", " : ""), argv[i]);
- i++;
- }
- uk_pr_warn("]");
-
- /* print environment variables */
- if (envp) {
- i = 0;
- uk_pr_warn(" envp=[");
- while (envp[i]) {
- uk_pr_warn("%s%s", (i > 0 ? ", " : ""), envp[i]);
- i++;
- }
- uk_pr_warn("]");
- }
-
- uk_pr_warn("\n");
-}
-
-int execve(const char *path, char *const argv[], char *const envp[])
-{
- exec_warn(__func__, path, argv, envp);
- errno = ENOSYS;
- return -1;
-}
-
-int execv(const char *path, char *const argv[])
-{
- exec_warn(__func__, path, argv, NULL);
- errno = ENOSYS;
- return -1;
-}
-
-int system(const char *command)
-{
- uk_pr_warn("%s: %s\n", __func__, command);
- errno = ENOSYS;
- return -1;
-}
-
-FILE *popen(const char *command, const char *type __unused)
-{
- uk_pr_warn("%s: %s\n", __func__, command);
- errno = ENOSYS;
- return NULL;
-}
-
-int pclose(FILE *stream __unused)
-{
- errno = EINVAL;
- return -1;
-}
-
-int wait(int *status __unused)
-{
- /* No children */
- errno = ECHILD;
- return -1;
-}
-
-pid_t waitpid(pid_t pid __unused, int *wstatus __unused, int options __unused)
-{
- /* No children */
- errno = ECHILD;
- return -1;
-}
-
-pid_t wait3(int *wstatus __unused, int options __unused,
- struct rusage *rusage __unused)
-{
- /* No children */
- errno = ECHILD;
- return -1;
-}
-
-pid_t wait4(pid_t pid __unused, int *wstatus __unused, int options __unused,
- struct rusage *rusage __unused)
-{
- /* No children */
- errno = ECHILD;
- return -1;
-}
-
-int getpid(void)
-{
- return UNIKRAFT_PID;
-}
-
-pid_t getppid(void)
-{
- return UNIKRAFT_PPID;
-}
-
-pid_t setsid(void)
-{
- /* We have a single "session" with a single "process" */
- errno = EPERM;
- return (pid_t) -1;
-}
-
-pid_t getsid(pid_t pid)
-{
- if (pid != 0) {
- /* We support only calls for the only calling "process" */
- errno = ESRCH;
- return (pid_t) -1;
- }
- return UNIKRAFT_SID;
-}
-
-int setpgid(pid_t pid, pid_t pgid)
-{
- if (pid != 0) {
- /* We support only calls for the only calling "process" */
- errno = ESRCH;
- return (pid_t) -1;
- }
- if (pgid != 0) {
- /* We have a single "group" with a single "process" */
- errno = EPERM;
- return (pid_t) -1;
- }
- return 0;
-}
-
-pid_t getpgid(pid_t pid)
-{
- if (pid != 0) {
- /* We support only calls for the only calling "process" */
- errno = ESRCH;
- return (pid_t) -1;
- }
- return UNIKRAFT_PGID;
-}
-
-pid_t getpgrp(void)
-{
- return UNIKRAFT_PGID;
-}
-
-int setpgrp(void)
-{
- return setpgid(0, 0);
-}
-
-int tcsetpgrp(int fd __unused, pid_t pgrp)
-{
- /* TODO check if fd is BADF */
- if (pgrp != UNIKRAFT_PGID) {
- errno = EINVAL;
- return -1;
- }
- return 0;
-}
-
-pid_t tcgetpgrp(int fd)
-{
- /* We have a single "process group" */
- return UNIKRAFT_PGID;
-}
-
-int nice(int inc __unused)
-{
- /* We don't support priority updates for unikernels */
- errno = EPERM;
- return -1;
-}
projects / unikraft / libs / newlib.git / commitdiff