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XQuartz: More work on the Mach-IPC startup path

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(cherry picked from commit 49cd0b185f)
This commit is contained in:
Jeremy Huddleston 2008-05-14 01:13:15 -07:00
parent 4160d13b48
commit f8929b9e5b
3 changed files with 70 additions and 11 deletions
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45
hw/xquartz/mach-startup/bundle-main.c
View File

@ -73,7 +73,26 @@ kern_return_t do_start_x11_server(mach_port_t port, string_array_t argv,
mach_msg_type_number_t argvCnt,
string_array_t envp,
mach_msg_type_number_t envpCnt) {
if(server_main(argvCnt - 1, argv, envp) == 0)
/* And now back to char ** */
char **_argv = alloca((argvCnt + 1) * sizeof(char *));
char **_envp = alloca((envpCnt + 1) * sizeof(char *));
size_t i;
if(!_argv || !_envp) {
return KERN_FAILURE;
}
for(i=0; i < argvCnt; i++) {
_argv[i] = argv[i];
}
_argv[argvCnt] = NULL;
for(i=0; i < envpCnt; i++) {
_envp[i] = envp[i];
}
_envp[envpCnt] = NULL;
if(server_main(argvCnt, _argv, _envp) == 0)
return KERN_SUCCESS;
else
return KERN_FAILURE;
@ -212,20 +231,38 @@ int main(int argc, char **argv, char **envp) {
#ifdef NEW_LAUNCH_METHOD
kern_return_t kr;
mach_port_t mp;
sleep(2);
string_array_t newenvp;
string_array_t newargv;
/* We need to count envp */
int envpc;
for(envpc=0; envp[envpc]; envpc++);
/* We have fixed-size string lengths due to limitations in IPC,
* so we need to copy our argv and envp.
*/
newargv = (string_array_t)alloca(argc * sizeof(string_t));
newenvp = (string_array_t)alloca(envpc * sizeof(string_t));
if(!newargv || !newenvp) {
fprintf(stderr, "Memory allocation failure\n");
exit(EXIT_FAILURE);
}
for(i=0; i < argc; i++) {
strlcpy(newargv[i], argv[i], STRING_T_SIZE);
}
for(i=0; i < envpc; i++) {
strlcpy(newenvp[i], envp[i], STRING_T_SIZE);
}
kr = bootstrap_look_up(bootstrap_port, SERVER_BOOTSTRAP_NAME, &mp);
if (kr != KERN_SUCCESS) {
fprintf(stderr, "bootstrap_look_up(): %s\n", bootstrap_strerror(kr));
exit(EXIT_FAILURE);
}
kr = start_x11_server(mp, argv, argc + 1, envp, envpc + 1);
kr = start_x11_server(mp, newargv, argc, newenvp, envpc);
if (kr != KERN_SUCCESS) {
fprintf(stderr, "start_x11_server: %s\n", mach_error_string(kr));
exit(EXIT_FAILURE);

4
hw/xquartz/mach-startup/mach_startup_types.h
View File

@ -2,7 +2,9 @@
#define _MACH_STARTUP_TYPES_H_
#define SERVER_BOOTSTRAP_NAME "org.x.X11"
#define STRING_T_SIZE 1024
typedef char ** string_array_t;
typedef char string_t[STRING_T_SIZE];
typedef string_t * string_array_t;
#endif

32
hw/xquartz/mach-startup/stub.c
View File

@ -111,9 +111,10 @@ static void set_x11_path() {
int main(int argc, char **argv, char **envp) {
#ifdef NEW_LAUNCH_METHOD_2
int envpc;
char *newargv[3];
kern_return_t kr;
mach_port_t mp;
string_array_t newenvp;
string_array_t newargv;
#endif
if(argc == 2 && !strcmp(argv[1], "-version")) {
@ -137,10 +138,11 @@ int main(int argc, char **argv, char **envp) {
}
if(child == 0) {
newargv[0] = x11_path;
newargv[1] = "--listenonly";
newargv[2] = NULL;
return execvp(x11_path, newargv);
char *_argv[3];
_argv[0] = x11_path;
_argv[1] = "--listenonly";
_argv[2] = NULL;
return execvp(x11_path, _argv);
}
/* Try connecting for 10 seconds */
@ -160,7 +162,25 @@ int main(int argc, char **argv, char **envp) {
/* Count envp */
for(envpc=0; envp[envpc]; envpc++);
kr = start_x11_server(mp, argv, argc + 1, envp, envpc + 1);
/* We have fixed-size string lengths due to limitations in IPC,
* so we need to copy our argv and envp.
*/
newargv = (string_array_t)alloca(argc * sizeof(string_t));
newenvp = (string_array_t)alloca(envpc * sizeof(string_t));
if(!newargv || !newenvp) {
fprintf(stderr, "Memory allocation failure\n");
exit(EXIT_FAILURE);
}
for(i=0; i < argc; i++) {
strlcpy(newargv[i], argv[i], STRING_T_SIZE);
}
for(i=0; i < envpc; i++) {
strlcpy(newenvp[i], envp[i], STRING_T_SIZE);
}
kr = start_x11_server(mp, newargv, argc, newenvp, envpc);
if (kr != KERN_SUCCESS) {
fprintf(stderr, "start_x11_server: %s\n", mach_error_string(kr));
return EXIT_FAILURE;