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-rw-r--r--configure.ac14
-rw-r--r--launchd/Makefile.am8
-rw-r--r--launchd/console_redirect.c418
-rw-r--r--launchd/console_redirect.h44
-rw-r--r--launchd/privileged_startx/Makefile.am5
-rw-r--r--launchd/privileged_startx/privileged_startx.plist.cpp9
-rw-r--r--launchd/privileged_startx/server.c6
-rw-r--r--launchd/user_startx/Makefile.am1
-rw-r--r--launchd/user_startx/launchd_startx.c6
9 files changed, 5 insertions, 506 deletions
diff --git a/configure.ac b/configure.ac
index 3530b7e..b0a22b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -117,26 +117,12 @@ if test "x$LAUNCHD" = "xauto"; then
AC_CHECK_PROG(LAUNCHD, [launchd], [yes], [no], [$PATH$PATH_SEPARATOR/sbin])
fi
-TIGER_LAUNCHD=no
-if test "x$LAUNCHD" = "xyes" ; then
- AC_DEFINE(HAVE_LAUNCHD, 1, [launchd support available])
- case $host_os in
- darwin8*)
- TIGER_LAUNCHD=yes
- ;;
- esac
- AC_CHECK_FUNC(dispatch_async,
- AC_DEFINE([HAVE_LIBDISPATCH], 1, [Define to 1 if you have the libdispatch (GCD) available]),
- [])
-fi
-
AC_DEFINE_UNQUOTED(BUNDLE_ID_PREFIX, "$bundleidprefix", [Prefix to use for launchd identifiers])
AC_SUBST([launchagentsdir])
AC_SUBST([launchdaemonsdir])
AC_SUBST([bundleidprefix])
AC_SUBST([launchagentxserver])
AM_CONDITIONAL(LAUNCHD, [test "x$LAUNCHD" = "xyes"])
-AM_CONDITIONAL(TIGER_LAUNCHD, [test "x$TIGER_LAUNCHD" = "xyes"])
AM_CONDITIONAL(LAUNCHAGENT_XSERVER, [test "x$launchagentxserver" != "xno"])
# Checks for pkg-config packages
diff --git a/launchd/Makefile.am b/launchd/Makefile.am
index 0135b7f..23ca02a 100644
--- a/launchd/Makefile.am
+++ b/launchd/Makefile.am
@@ -1,8 +1,2 @@
DIST_SUBDIRS = privileged_startx user_startx
-SUBDIRS = privileged_startx
-
-if !TIGER_LAUNCHD
-SUBDIRS += user_startx
-endif
-
-EXTRA_DIST = console_redirect.h
+SUBDIRS = privileged_startx user_startx
diff --git a/launchd/console_redirect.c b/launchd/console_redirect.c
deleted file mode 100644
index 7ce3626..0000000
--- a/launchd/console_redirect.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/* Copyright (c) 2011 Apple Inc.
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
- * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name(s) of the above
- * copyright holders shall not be used in advertising or otherwise to
- * promote the sale, use or other dealings in this Software without
- * prior written authorization.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#else
-#define DEBUG_CONSOLE_REDIRECT 1
-#define HAVE_LIBDISPATCH 1
-#endif
-
-#include <assert.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/event.h>
-#include <asl.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#include "console_redirect.h"
-
-#define BUF_SIZE 512
-
-#ifdef HAVE_LIBDISPATCH
-#include <dispatch/dispatch.h>
-
-static dispatch_queue_t redirect_serial_q;
-static dispatch_group_t read_source_group;
-#else
-#include <pthread.h>
-
-static pthread_t redirect_pthread;
-static pthread_mutex_t redirect_fds_lock = PTHREAD_MUTEX_INITIALIZER;
-
-static int kq;
-
-/* Notifications to our reader thread */
-#define ASL_REDIRECT_TERMINATE ((void *)(uintptr_t)1)
-#endif
-
-typedef struct {
- int level;
- aslclient asl;
- aslmsg msg;
-
- /* Buffered reading */
- char *buf;
- char *w;
-
-#ifdef HAVE_LIBDISPATCH
- dispatch_source_t read_source;
-#endif
-} asl_redirect;
-
-static asl_redirect *redirect_fds = NULL;
-static int n_redirect_fds = 0;
-
-/* Read from the FD until there is no more to read and redirect to ASL.
- * Preconditions:
- * 1: pthread_mutex_lock lock is held (pthreads) or called
- * from the appropriate serial queue for operating on
- * redirect_fds
- * 2: fd corresponds to a valid entry in redirect_fds
- *
- * Return values:
- * If the pipe is closed, EOF is returned regardless of how many bytes
- * were processed. If the pipe is still open, the number of read bytes
- * is returned.
- */
-static inline int _read_redirect(int fd, int flush) {
- int total_read = 0;
- int nbytes;
- asl_redirect *aslr = &redirect_fds[fd];
-
- while((nbytes = read(fd, aslr->w, BUF_SIZE - (aslr->w - aslr->buf) - 1)) > 0) {
- char *s, *p;
-
- /* Increment our returned number read */
- total_read += nbytes;
-
- nbytes += (aslr->w - aslr->buf);
- aslr->buf[nbytes] = '\0';
-
- /* One line at a time */
- for(p=aslr->buf; *p && (p - aslr->buf) < nbytes; p = s + 1) {
- // Find null or \n
- for(s=p; *s && *s != '\n'; s++);
- if(*s == '\n') {
- *s='\0';
- asl_log(aslr->asl, aslr->msg, aslr->level, "%s", p);
- } else if(aslr->buf != p) {
- memmove(aslr->buf, p, BUF_SIZE - (p - aslr->buf));
- aslr->w = aslr->buf + (s - p);
- break;
- } else if(nbytes == BUF_SIZE - 1) {
- asl_log(aslr->asl, aslr->msg, aslr->level, "%s", p);
- aslr->w = aslr->buf;
- break;
- }
- }
- }
-
- /* Flush if requested or we're at EOF */
- if(flush || nbytes == 0) {
- if(aslr->w > aslr->buf) {
- *aslr->w = '\0';
- asl_log(aslr->asl, aslr->msg, aslr->level, "%s", aslr->buf);
- }
- }
-
- if(nbytes == 0)
- return EOF;
- return total_read;
-}
-
-#ifdef HAVE_LIBDISPATCH
-static void read_from_source(void *_source) {
- dispatch_source_t source = (dispatch_source_t)_source;
- int fd = dispatch_source_get_handle(source);
- if(_read_redirect(fd, 0) == EOF) {
- dispatch_source_cancel(source);
- }
-}
-
-static void cancel_source(void *_source) {
- dispatch_source_t source = (dispatch_source_t)_source;
- int fd = dispatch_source_get_handle(source);
- asl_redirect *aslr = &redirect_fds[fd];
-
- /* Flush the buffer */
- _read_redirect(fd, 1);
-
- close(fd);
- free(aslr->buf);
- memset(aslr, 0, sizeof(*aslr));
- dispatch_release(source);
- dispatch_group_leave(read_source_group);
-}
-
-#else /* !HAVE_LIBDISPATCH */
-static void *redirect_thread(void *ctx __unused) {
- struct kevent ev;
- int n;
-
- while(1) {
- n = kevent(kq, NULL, 0, &ev, 1, NULL);
-
- /* Bail on errors */
- if(n < 0) {
- asl_log(NULL, NULL, ASL_LEVEL_ERR, "kevent failure: %s", strerror(errno));
- break;
- }
-
- /* This should not happen */
- if(n == 0)
- continue;
-
- switch(ev.filter) {
- case EVFILT_READ:
- pthread_mutex_lock(&redirect_fds_lock);
- {
- int fd = ev.ident;
- int close_fd = 0;
- asl_redirect *aslr = &redirect_fds[fd];
-
- if(fd < 0 || fd >= n_redirect_fds || aslr->buf == NULL) {
- asl_log(NULL, NULL, ASL_LEVEL_ERR, "Unexpected file descriptor: %d", fd);
- goto next;
- }
-
- if(ev.flags & EV_EOF) {
- close_fd = 1;
- if(EOF != _read_redirect(fd, 1)) {
- asl_log(NULL, NULL, ASL_LEVEL_ERR, "kevent reported EOF on %d, but read doesn't concur.", fd);
- }
- } else {
- close_fd = (EOF == _read_redirect(fd, 0));
- }
-
- if(close_fd) {
- EV_SET(&ev, fd, EVFILT_READ, EV_DELETE, 0, 0, 0);
- kevent(kq, &ev, 1, NULL, 0, NULL);
- close(fd);
- free(aslr->buf);
- memset(aslr, 0, sizeof(*aslr));
- }
- }
- next:
- pthread_mutex_unlock(&redirect_fds_lock);
-
- case EVFILT_TIMER:
- if(ev.udata == ASL_REDIRECT_TERMINATE)
- return NULL;
-
- default:
- ;;
- }
- }
-
- return NULL;
-}
-#endif
-
-static void redirect_atexit(void) {
- /* stdout is linebuffered, so flush the buffer */
- if(redirect_fds[STDOUT_FILENO].buf)
- fflush(stdout);
-
-#ifdef HAVE_LIBDISPATCH
- {
- int i;
-
- /* Cancel all of our dispatch sources, so they flush to ASL */
- for(i=0; i < n_redirect_fds; i++)
- if(redirect_fds[i].read_source)
- dispatch_source_cancel(redirect_fds[i].read_source);
-
- /* Wait at least three seconds for our sources to flush to ASL */
- dispatch_group_wait(read_source_group, dispatch_time(DISPATCH_TIME_NOW, 3LL * NSEC_PER_SEC));
- }
-#else
- {
- struct kevent ev;
-
- /* Tell our reader thread it is time to pack up and go home */
- EV_SET(&ev, 0, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 0, ASL_REDIRECT_TERMINATE);
- kevent(kq, &ev, 1, NULL, 0, NULL);
-
- pthread_join(redirect_pthread, NULL);
- }
-#endif
-}
-
-#ifdef HAVE_LIBDISPATCH
-static void xi_asl_init(void *ctx __unused)
-#else
-static void xi_asl_init(void)
-#endif
-{
- assert((redirect_fds = calloc(16, sizeof(*redirect_fds))) != NULL);
- n_redirect_fds = 16;
-
-#ifdef HAVE_LIBDISPATCH
- redirect_serial_q = dispatch_queue_create("com.apple.asl-redirect", NULL);
- assert(redirect_serial_q != NULL);
-
- read_source_group = dispatch_group_create();
- assert(read_source_group != NULL);
-#else
- assert((kq = kqueue()) != -1);
- assert(pthread_create(&redirect_pthread, NULL, redirect_thread, NULL) == 0);
-#endif
-
- atexit(redirect_atexit);
-}
-
-int xi_asl_log_fd(aslclient asl, aslmsg msg, int level, int fd) {
-#ifdef HAVE_LIBDISPATCH
- int err __block = 0;
- static dispatch_once_t once_control;
- dispatch_once_f(&once_control, NULL, xi_asl_init);
-#else
- int err = 0;
- static pthread_once_t once_control = PTHREAD_ONCE_INIT;
- assert(pthread_once(&once_control, xi_asl_init) == 0);
-#endif
-
- if(fd < 0)
- return EBADF;
-
-#ifdef HAVE_LIBDISPATCH
-#define BLOCK_DONE return
- dispatch_sync(redirect_serial_q, ^
-#else
-#define BLOCK_DONE goto done
- assert(pthread_mutex_lock(&redirect_fds_lock) == 0);
-#endif
- {
- /* Reallocate if we need more space */
- if(fd >= n_redirect_fds) {
- size_t new_n = 1 << (ffs(fd) + 1);
- asl_redirect *new_array = realloc(redirect_fds, new_n * sizeof(*redirect_fds));
- if(!new_array) {
- err = errno;
- BLOCK_DONE;
- }
- redirect_fds = new_array;
- memset(redirect_fds + n_redirect_fds, 0, new_n - n_redirect_fds);
- n_redirect_fds = new_n;
- }
-
- /* If we're already listening on it, return error. */
- if(redirect_fds[fd].buf != NULL) {
- err = EBADF;
- BLOCK_DONE;
- }
-
- /* Initialize our buffer */
- redirect_fds[fd].buf = (char *)malloc(BUF_SIZE);
- if(redirect_fds[fd].buf == NULL) {
- err = errno;
- BLOCK_DONE;
- }
- redirect_fds[fd].w = redirect_fds[fd].buf;
-
- /* Store our ASL settings */
- redirect_fds[fd].level = level;
- redirect_fds[fd].asl = asl;
- redirect_fds[fd].msg = msg;
-
- /* Don't block on reads from this fd */
- fcntl(fd, F_SETFL, O_NONBLOCK);
-
- /* Start listening */
-#ifdef HAVE_LIBDISPATCH
- {
- dispatch_source_t read_source = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, fd, 0, redirect_serial_q);
- redirect_fds[fd].read_source = read_source;
- dispatch_set_context(read_source, read_source);
- dispatch_source_set_event_handler_f(read_source, read_from_source);
- dispatch_source_set_cancel_handler_f(read_source, cancel_source);
- dispatch_group_enter(read_source_group);
- dispatch_resume(read_source);
- }
-#else
- {
- struct kevent ev;
- EV_SET(&ev, fd, EVFILT_READ, EV_ADD, 0, 0, 0);
- kevent(kq, &ev, 1, NULL, 0, NULL);
- }
-#endif
- }
-#ifdef HAVE_LIBDISPATCH
- );
-#else
-done:
- assert(pthread_mutex_unlock(&redirect_fds_lock) == 0);
-#endif
-#undef BLOCK_DONE
-
- return err;
-}
-
-int xi_asl_capture_fd(aslclient asl, aslmsg msg, int level, int fd) {
- int pipepair[2];
-
- /* Create pipe */
- if(pipe(pipepair) == -1)
- return errno;
-
- /* Close the read fd but not the write fd on exec */
- if(fcntl(pipepair[0], F_SETFD, FD_CLOEXEC) == -1)
- return errno;
-
- /* Replace the existing fd */
- if(dup2(pipepair[1], fd) == -1) {
- close(pipepair[0]);
- close(pipepair[1]);
- return errno;
- }
-
- /* If we capture STDOUT_FILENO, make sure we linebuffer stdout */
- if(fd == STDOUT_FILENO)
- setlinebuf(stdout);
-
- /* Close the duplicate fds since they've been reassigned */
- close(pipepair[1]);
-
- /* Hand off the read end of our pipe to xi_asl_log_fd */
- return xi_asl_log_fd(asl, msg, level, pipepair[0]);
-}
-
-#ifdef DEBUG_CONSOLE_REDIRECT
-int main(int argc __unused, char **argv __unused) {
- xi_asl_capture_fd(NULL, NULL, ASL_LEVEL_NOTICE, STDOUT_FILENO);
- xi_asl_capture_fd(NULL, NULL, ASL_LEVEL_ERR, STDERR_FILENO);
-
- fprintf(stderr, "TEST ERR1\n");
- fprintf(stdout, "TEST OUT1\n");
- fprintf(stderr, "TEST ERR2\n");
- fprintf(stdout, "TEST OUT2\n");
- system("/bin/echo SYST OUT");
- system("/bin/echo SYST ERR >&2");
- fprintf(stdout, "TEST OUT3\n");
- fprintf(stdout, "TEST OUT4\n");
- fprintf(stderr, "TEST ERR3\n");
- fprintf(stderr, "TEST ERR4\n");
-
- exit(0);
-}
-#endif
diff --git a/launchd/console_redirect.h b/launchd/console_redirect.h
deleted file mode 100644
index 134def6..0000000
--- a/launchd/console_redirect.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright (c) 2011 Apple Inc.
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
- * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name(s) of the above
- * copyright holders shall not be used in advertising or otherwise to
- * promote the sale, use or other dealings in this Software without
- * prior written authorization.
- */
-
-#ifndef _XQUARTZ_CONSOLE_REDIRECT_H_
-#define _XQUARTZ_CONSOLE_REDIRECT_H_
-
-#include <asl.h>
-
-/* The given fd is replaced with a pipe. Anything written to it will will be
- * logged to ASL.
- */
-int xi_asl_capture_fd(aslclient asl, aslmsg msg, int level, int fd);
-
-/* The given fd is read from and passed along to ASL until all write ends of the
- * pipe are closed. Once the last writer has closed the pipe, we close our end.
- */
-int xi_asl_log_fd(aslclient asl, aslmsg msg, int level, int fd);
-
-#endif
diff --git a/launchd/privileged_startx/Makefile.am b/launchd/privileged_startx/Makefile.am
index a6ed492..ea99005 100644
--- a/launchd/privileged_startx/Makefile.am
+++ b/launchd/privileged_startx/Makefile.am
@@ -36,12 +36,7 @@ privstartx_SCRIPTS = 10-tmpdirs 20-font_cache
AM_CPPFLAGS = -I$(srcdir)/.. -DXINITDIR=\"$(xinitrcdir)\" -DSCRIPTDIR=\"$(privstartxdir)\" -DBINDIR=\"$(bindir)\"
CPP_FILES_FLAGS = -D__libexecdir__="$(libexecdir)" -DXINITDIR="$(xinitrcdir)" -DSCRIPTDIR="$(privstartxdir)" -DBINDIR="$(bindir)" -DBUNDLE_ID_PREFIX="$(bundleidprefix)"
-if TIGER_LAUNCHD
-CPP_FILES_FLAGS += -DTIGER_LAUNCHD
-endif
-
dist_privileged_startx_SOURCES = \
- $(srcdir)/../console_redirect.c \
server.c \
client.c \
privileged_startx.c
diff --git a/launchd/privileged_startx/privileged_startx.plist.cpp b/launchd/privileged_startx/privileged_startx.plist.cpp
index e1652b0..370350a 100644
--- a/launchd/privileged_startx/privileged_startx.plist.cpp
+++ b/launchd/privileged_startx/privileged_startx.plist.cpp
@@ -10,14 +10,6 @@
<string>-d</string>
<string>SCRIPTDIR</string>
</array>
-#ifdef TIGER_LAUNCHD
- <key>RunAtLoad</key>
- <true/>
- <key>KeepAlive</key>
- <true/>
- <key>ServiceIPC</key>
- <true/>
-#else
<key>MachServices</key>
<dict>
<key>BUNDLE_ID_PREFIX.privileged_startx</key>
@@ -27,6 +19,5 @@
<integer>120</integer>
<key>EnableTransactions</key>
<true/>
-#endif
</dict>
</plist>
diff --git a/launchd/privileged_startx/server.c b/launchd/privileged_startx/server.c
index 005758d..f37c9b1 100644
--- a/launchd/privileged_startx/server.c
+++ b/launchd/privileged_startx/server.c
@@ -46,8 +46,6 @@
#include <asl.h>
#include <errno.h>
-#include "console_redirect.h"
-
#include "privileged_startx.h"
#include "privileged_startxServer.h"
@@ -153,8 +151,8 @@ int server_main(const char *dir) {
}
aslc = asl_open(labelstr, BUNDLE_ID_PREFIX, ASL_OPT_NO_DELAY);
- xi_asl_capture_fd(aslc, NULL, ASL_LEVEL_INFO, STDOUT_FILENO);
- xi_asl_capture_fd(aslc, NULL, ASL_LEVEL_NOTICE, STDERR_FILENO);
+ asl_log_descriptor(aslc, NULL, ASL_LEVEL_INFO, STDOUT_FILENO, ASL_LOG_DESCRIPTOR_WRITE);
+ asl_log_descriptor(aslc, NULL, ASL_LEVEL_NOTICE, STDERR_FILENO, ASL_LOG_DESCRIPTOR_WRITE);
#ifdef LAUNCH_JOBKEY_MACHSERVICES
launch_data_t tmv;
diff --git a/launchd/user_startx/Makefile.am b/launchd/user_startx/Makefile.am
index e895ee2..1b18db0 100644
--- a/launchd/user_startx/Makefile.am
+++ b/launchd/user_startx/Makefile.am
@@ -26,7 +26,6 @@ libexec_PROGRAMS = launchd_startx
AM_CPPFLAGS = -I$(srcdir)/.. -DXINITDIR=\"$(xinitrcdir)\" -DBINDIR=\"$(bindir)\"
dist_launchd_startx_SOURCES = \
- $(srcdir)/../console_redirect.c \
launchd_startx.c
CPP_FILES_FLAGS = \
diff --git a/launchd/user_startx/launchd_startx.c b/launchd/user_startx/launchd_startx.c
index 67419a4..27ce9e1 100644
--- a/launchd/user_startx/launchd_startx.c
+++ b/launchd/user_startx/launchd_startx.c
@@ -39,8 +39,6 @@
#include <stdlib.h>
#include <spawn.h>
-#include "console_redirect.h"
-
int main(int argc, char **argv, char **envp) {
aslclient aslc;
pid_t child;
@@ -53,8 +51,8 @@ int main(int argc, char **argv, char **envp) {
aslc = asl_open(BUNDLE_ID_PREFIX".startx", BUNDLE_ID_PREFIX, ASL_OPT_NO_DELAY);
- xi_asl_capture_fd(aslc, NULL, ASL_LEVEL_INFO, STDOUT_FILENO);
- xi_asl_capture_fd(aslc, NULL, ASL_LEVEL_NOTICE, STDERR_FILENO);
+ asl_log_descriptor(aslc, NULL, ASL_LEVEL_INFO, STDOUT_FILENO, ASL_LOG_DESCRIPTOR_WRITE);
+ asl_log_descriptor(aslc, NULL, ASL_LEVEL_NOTICE, STDERR_FILENO, ASL_LOG_DESCRIPTOR_WRITE);
assert(posix_spawnp(&child, argv[1], NULL, NULL, &argv[1], envp) == 0);
wait4(child, &pstat, 0, (struct rusage *)0);