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XQuartz: stub: Call LSOpenApplication instead of fork()/exec() 

Reviewed-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
This commit is contained in:
John D Pell 2021-07-13 23:46:28 -07:00 committed by Jeremy Huddleston Sequoia
parent f292fbfaac
commit 61d18bed66
Failed to extract signature
1 changed files with 20 additions and 33 deletions
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53
hw/xquartz/mach-startup/stub.c
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@ -52,39 +52,27 @@
#include "launchd_fd.h"
static char x11_path[PATH_MAX + 1];
static CFURLRef x11appURL;
static FSRef x11_appRef;
static pid_t x11app_pid = 0;
aslclient aslc;
static void
set_x11_path(void)
{
CFURLRef appURL = NULL;
OSStatus osstatus =
LSFindApplicationForInfo(kLSUnknownCreator, CFSTR(
kX11AppBundleId), nil, nil, &appURL);
kX11AppBundleId), nil, &x11_appRef, &x11appURL);
switch (osstatus) {
case noErr:
if (appURL == NULL) {
if (x11appURL == NULL) {
asl_log(
aslc, NULL, ASL_LEVEL_ERR,
"Xquartz: Invalid response from LSFindApplicationForInfo(%s)",
kX11AppBundleId);
exit(1);
}
if (!CFURLGetFileSystemRepresentation(appURL, true,
(unsigned char *)x11_path,
sizeof(x11_path))) {
asl_log(aslc, NULL, ASL_LEVEL_ERR,
"Xquartz: Error resolving URL for %s",
kX11AppBundleId);
exit(3);
}
strlcat(x11_path, kX11AppBundlePath, sizeof(x11_path));
asl_log(aslc, NULL, ASL_LEVEL_INFO, "Xquartz: X11.app = %s", x11_path);
break;
case kLSApplicationNotFoundErr:
@ -253,24 +241,23 @@ main(int argc, char **argv, char **envp)
server_bootstrap_name);
set_x11_path();
/* This forking is ugly and will be cleaned up later */
child = fork();
if (child == -1) {
asl_log(aslc, NULL, ASL_LEVEL_ERR, "Xquartz: Could not fork: %s",
strerror(
errno));
return EXIT_FAILURE;
}
char *listenOnlyArg = "--listenonly";
CFStringRef silentLaunchArg = CFStringCreateWithCString(NULL, listenOnlyArg, kCFStringEncodingUTF8);
CFStringRef args[] = { silentLaunchArg };
CFArrayRef passArgv = CFArrayCreate(NULL, (const void**) args, 1, NULL);
LSApplicationParameters params = { 0, /* CFIndex version == 0 */
kLSLaunchDefaults, /* LSLaunchFlags flags */
&x11_appRef, /* FSRef application */
NULL, /* void* asyncLaunchRefCon*/
NULL, /* CFDictionaryRef environment */
passArgv, /* CFArrayRef arguments */
NULL /* AppleEvent* initialEvent */
};
if (child == 0) {
char *_argv[3];
_argv[0] = x11_path;
_argv[1] = "--listenonly";
_argv[2] = NULL;
asl_log(aslc, NULL, ASL_LEVEL_NOTICE,
"Xquartz: Starting X server: %s --listenonly",
x11_path);
return execvp(x11_path, _argv);
OSStatus status = LSOpenApplication(&params, NULL);
if (status != noErr) {
asl_log(aslc, NULL, ASL_LEVEL_ERR, "Xquartz: Unable to launch: %d", (int)status);
return EXIT_FAILURE;
}
/* Try connecting for 10 seconds */