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-rw-r--r--launchd/user_startx/launchd_startx.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/launchd/user_startx/launchd_startx.c b/launchd/user_startx/launchd_startx.c
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+++ b/launchd/user_startx/launchd_startx.c
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+/* 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"
+#endif
+
+#include <asl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <assert.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <stdlib.h>
+
+/* Using MIN_REQUIRED instead of MAX_ALLOWED logic due to posix_spawn not
+ * being marked with availability macros until 10.7
+ */
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
+#include <spawn.h>
+#else
+#include <errno.h>
+#endif
+
+#include "console_redirect.h"
+
+int main(int argc, char **argv, char **envp) {
+ aslclient aslc;
+ pid_t child;
+ int pstat;
+
+ if(argc < 2 || strcmp(argv[1], "--help") == 0) {
+ fprintf(stderr, "Usage: %s prog [args...]\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ 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);
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
+ assert(posix_spawnp(&child, argv[1], NULL, NULL, &argv[1], envp) == 0);
+#else
+ switch(child = fork()) {
+ case -1:
+ perror("fork");
+ return errno;
+ case 0:
+ return execvp(argv[1], &argv[1]);
+ default:
+ break;
+ }
+#endif
+
+ wait4(child, &pstat, 0, (struct rusage *)0);
+
+ return pstat;
+}