1 files changed, 0 insertions, 475 deletions
diff --git a/lib/libc/gen/posix_spawn.c b/lib/libc/gen/posix_spawn.c
deleted file mode 100644
index 20f2c16..0000000
--- a/lib/libc/gen/posix_spawn.c
+++ /dev/null
@@ -1,475 +0,0 @@
-/*-
- * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "namespace.h"
-#include <sys/queue.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <sched.h>
-#include <spawn.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "un-namespace.h"
-#include "libc_private.h"
-
-extern char **environ;
-
-struct __posix_spawnattr {
-	short			sa_flags;
-	pid_t			sa_pgroup;
-	struct sched_param	sa_schedparam;
-	int			sa_schedpolicy;
-	sigset_t		sa_sigdefault;
-	sigset_t		sa_sigmask;
-};
-
-struct __posix_spawn_file_actions {
-	STAILQ_HEAD(, __posix_spawn_file_actions_entry) fa_list;
-};
-
-typedef struct __posix_spawn_file_actions_entry {
-	STAILQ_ENTRY(__posix_spawn_file_actions_entry) fae_list;
-	enum { FAE_OPEN, FAE_DUP2, FAE_CLOSE } fae_action;
-
-	int fae_fildes;
-	union {
-		struct {
-			char *path;
-#define fae_path	fae_data.open.path
-			int oflag;
-#define fae_oflag	fae_data.open.oflag
-			mode_t mode;
-#define fae_mode	fae_data.open.mode
-		} open;
-		struct {
-			int newfildes;
-#define fae_newfildes	fae_data.dup2.newfildes
-		} dup2;
-	} fae_data;
-} posix_spawn_file_actions_entry_t;
-
-/*
- * Spawn routines
- */
-
-static int
-process_spawnattr(const posix_spawnattr_t sa)
-{
-	struct sigaction sigact = { .sa_flags = 0, .sa_handler = SIG_DFL };
-	int i;
-
-	/*
-	 * POSIX doesn't really describe in which order everything
-	 * should be set. We'll just set them in the order in which they
-	 * are mentioned.
-	 */
-
-	/* Set process group */
-	if (sa->sa_flags & POSIX_SPAWN_SETPGROUP) {
-		if (setpgid(0, sa->sa_pgroup) != 0)
-			return (errno);
-	}
-
-	/* Set scheduler policy */
-	if (sa->sa_flags & POSIX_SPAWN_SETSCHEDULER) {
-		if (sched_setscheduler(0, sa->sa_schedpolicy,
-		    &sa->sa_schedparam) != 0)
-			return (errno);
-	} else if (sa->sa_flags & POSIX_SPAWN_SETSCHEDPARAM) {
-		if (sched_setparam(0, &sa->sa_schedparam) != 0)
-			return (errno);
-	}
-
-	/* Reset user ID's */
-	if (sa->sa_flags & POSIX_SPAWN_RESETIDS) {
-		if (setegid(getgid()) != 0)
-			return (errno);
-		if (seteuid(getuid()) != 0)
-			return (errno);
-	}
-
-	/* Set signal masks/defaults */
-	if (sa->sa_flags & POSIX_SPAWN_SETSIGMASK) {
-		_sigprocmask(SIG_SETMASK, &sa->sa_sigmask, NULL);
-	}
-
-	if (sa->sa_flags & POSIX_SPAWN_SETSIGDEF) {
-		for (i = 1; i <= _SIG_MAXSIG; i++) {
-			if (sigismember(&sa->sa_sigdefault, i))
-				if (_sigaction(i, &sigact, NULL) != 0)
-					return (errno);
-		}
-	}
-
-	return (0);
-}
-
-static int
-process_file_actions_entry(posix_spawn_file_actions_entry_t *fae)
-{
-	int fd;
-
-	switch (fae->fae_action) {
-	case FAE_OPEN:
-		/* Perform an open(), make it use the right fd */
-		fd = _open(fae->fae_path, fae->fae_oflag, fae->fae_mode);
-		if (fd < 0)
-			return (errno);
-		if (fd != fae->fae_fildes) {
-			if (_dup2(fd, fae->fae_fildes) == -1)
-				return (errno);
-			if (_close(fd) != 0) {
-				if (errno == EBADF)
-					return (EBADF);
-			}
-		}
-		if (_fcntl(fae->fae_fildes, F_SETFD, 0) == -1)
-			return (errno);
-		break;
-	case FAE_DUP2:
-		/* Perform a dup2() */
-		if (_dup2(fae->fae_fildes, fae->fae_newfildes) == -1)
-			return (errno);
-		if (_fcntl(fae->fae_newfildes, F_SETFD, 0) == -1)
-			return (errno);
-		break;
-	case FAE_CLOSE:
-		/* Perform a close() */
-		if (_close(fae->fae_fildes) != 0) {
-			if (errno == EBADF)
-				return (EBADF);
-		}
-		break;
-	}
-	return (0);
-}
-
-static int
-process_file_actions(const posix_spawn_file_actions_t fa)
-{
-	posix_spawn_file_actions_entry_t *fae;
-	int error;
-
-	/* Replay all file descriptor modifications */
-	STAILQ_FOREACH(fae, &fa->fa_list, fae_list) {
-		error = process_file_actions_entry(fae);
-		if (error)
-			return (error);
-	}
-	return (0);	
-}
-
-static int
-do_posix_spawn(pid_t *pid, const char *path,
-    const posix_spawn_file_actions_t *fa,
-    const posix_spawnattr_t *sa,
-    char * const argv[], char * const envp[], int use_env_path)
-{
-	pid_t p;
-	volatile int error = 0;
-	
-	p = vfork();
-	switch (p) {
-	case -1:
-		return (errno);
-	case 0:
-		if (sa != NULL) {
-			error = process_spawnattr(*sa);
-			if (error)
-				_exit(127);
-		}
-		if (fa != NULL) {
-			error = process_file_actions(*fa);
-			if (error)
-				_exit(127);
-		}
-		if (use_env_path)
-			_execvpe(path, argv, envp != NULL ? envp : environ);
-		else
-			_execve(path, argv, envp != NULL ? envp : environ);
-		error = errno;
-		_exit(127);
-	default:
-		if (pid != NULL)
-			*pid = p;
-		return (error);
-	}
-}
-
-int
-posix_spawn(pid_t *pid, const char *path,
-    const posix_spawn_file_actions_t *fa,
-    const posix_spawnattr_t *sa,
-    char * const argv[], char * const envp[])
-{
-	return do_posix_spawn(pid, path, fa, sa, argv, envp, 0);
-}
-
-int
-posix_spawnp(pid_t *pid, const char *path,
-    const posix_spawn_file_actions_t *fa,
-    const posix_spawnattr_t *sa,
-    char * const argv[], char * const envp[])
-{
-	return do_posix_spawn(pid, path, fa, sa, argv, envp, 1);
-}
-
-/*
- * File descriptor actions
- */
-
-int
-posix_spawn_file_actions_init(posix_spawn_file_actions_t *ret)
-{
-	posix_spawn_file_actions_t fa;
-
-	fa = malloc(sizeof(struct __posix_spawn_file_actions));
-	if (fa == NULL)
-		return (-1);
-
-	STAILQ_INIT(&fa->fa_list);
-	*ret = fa;
-	return (0);
-}
-
-int
-posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *fa)
-{
-	posix_spawn_file_actions_entry_t *fae;
-
-	while ((fae = STAILQ_FIRST(&(*fa)->fa_list)) != NULL) {
-		/* Remove file action entry from the queue */
-		STAILQ_REMOVE_HEAD(&(*fa)->fa_list, fae_list);
-
-		/* Deallocate file action entry */
-		if (fae->fae_action == FAE_OPEN)
-			free(fae->fae_path);
-		free(fae);
-	}
-
-	free(*fa);
-	return (0);
-}
-
-int
-posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict fa,
-    int fildes, const char * __restrict path, int oflag, mode_t mode)
-{
-	posix_spawn_file_actions_entry_t *fae;
-	int error;
-
-	if (fildes < 0)
-		return (EBADF);
-
-	/* Allocate object */
-	fae = malloc(sizeof(posix_spawn_file_actions_entry_t));
-	if (fae == NULL)
-		return (errno);
-
-	/* Set values and store in queue */
-	fae->fae_action = FAE_OPEN;
-	fae->fae_path = strdup(path);
-	if (fae->fae_path == NULL) {
-		error = errno;
-		free(fae);
-		return (error);
-	}
-	fae->fae_fildes = fildes;
-	fae->fae_oflag = oflag;
-	fae->fae_mode = mode;
-
-	STAILQ_INSERT_TAIL(&(*fa)->fa_list, fae, fae_list);
-	return (0);
-}
-
-int
-posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa,
-    int fildes, int newfildes)
-{
-	posix_spawn_file_actions_entry_t *fae;
-
-	if (fildes < 0 || newfildes < 0)
-		return (EBADF);
-
-	/* Allocate object */
-	fae = malloc(sizeof(posix_spawn_file_actions_entry_t));
-	if (fae == NULL)
-		return (errno);
-
-	/* Set values and store in queue */
-	fae->fae_action = FAE_DUP2;
-	fae->fae_fildes = fildes;
-	fae->fae_newfildes = newfildes;
-
-	STAILQ_INSERT_TAIL(&(*fa)->fa_list, fae, fae_list);
-	return (0);
-}
-
-int
-posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *fa,
-    int fildes)
-{
-	posix_spawn_file_actions_entry_t *fae;
-
-	if (fildes < 0)
-		return (EBADF);
-
-	/* Allocate object */
-	fae = malloc(sizeof(posix_spawn_file_actions_entry_t));
-	if (fae == NULL)
-		return (errno);
-
-	/* Set values and store in queue */
-	fae->fae_action = FAE_CLOSE;
-	fae->fae_fildes = fildes;
-
-	STAILQ_INSERT_TAIL(&(*fa)->fa_list, fae, fae_list);
-	return (0);
-}
-
-/*
- * Spawn attributes
- */
-
-int
-posix_spawnattr_init(posix_spawnattr_t *ret)
-{
-	posix_spawnattr_t sa;
-
-	sa = calloc(1, sizeof(struct __posix_spawnattr));
-	if (sa == NULL)
-		return (errno);
-
-	/* Set defaults as specified by POSIX, cleared above */
-	*ret = sa;
-	return (0);
-}
-
-int
-posix_spawnattr_destroy(posix_spawnattr_t *sa)
-{
-	free(*sa);
-	return (0);
-}
-
-int
-posix_spawnattr_getflags(const posix_spawnattr_t * __restrict sa,
-    short * __restrict flags)
-{
-	*flags = (*sa)->sa_flags;
-	return (0);
-}
-
-int
-posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict sa,
-    pid_t * __restrict pgroup)
-{
-	*pgroup = (*sa)->sa_pgroup;
-	return (0);
-}
-
-int
-posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict sa,
-    struct sched_param * __restrict schedparam)
-{
-	*schedparam = (*sa)->sa_schedparam;
-	return (0);
-}
-
-int
-posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict sa,
-    int * __restrict schedpolicy)
-{
-	*schedpolicy = (*sa)->sa_schedpolicy;
-	return (0);
-}
-
-int
-posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict sa,
-    sigset_t * __restrict sigdefault)
-{
-	*sigdefault = (*sa)->sa_sigdefault;
-	return (0);
-}
-
-int
-posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict sa,
-    sigset_t * __restrict sigmask)
-{
-	*sigmask = (*sa)->sa_sigmask;
-	return (0);
-}
-
-int
-posix_spawnattr_setflags(posix_spawnattr_t *sa, short flags)
-{
-	(*sa)->sa_flags = flags;
-	return (0);
-}
-
-int
-posix_spawnattr_setpgroup(posix_spawnattr_t *sa, pid_t pgroup)
-{
-	(*sa)->sa_pgroup = pgroup;
-	return (0);
-}
-
-int
-posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict sa,
-    const struct sched_param * __restrict schedparam)
-{
-	(*sa)->sa_schedparam = *schedparam;
-	return (0);
-}
-
-int
-posix_spawnattr_setschedpolicy(posix_spawnattr_t *sa, int schedpolicy)
-{
-	(*sa)->sa_schedpolicy = schedpolicy;
-	return (0);
-}
-
-int
-posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict sa,
-    const sigset_t * __restrict sigdefault)
-{
-	(*sa)->sa_sigdefault = *sigdefault;
-	return (0);
-}
-
-int
-posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict sa,
-    const sigset_t * __restrict sigmask)
-{
-	(*sa)->sa_sigmask = *sigmask;
-	return (0);
-}