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Added SDL_PROP_PROCESS_CREATE_BACKGROUND_BOOLEAN

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This commit is contained in:
Sam Lantinga
2024-09-14 09:13:37 -07:00
parent 44c6cfda05
commit 76c469910e
6 changed files with 146 additions and 70 deletions
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85
src/misc/unix/SDL_sysurl.c
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@@ -35,51 +35,44 @@ extern char **environ;
bool SDL_SYS_OpenURL(const char *url)
{
const pid_t pid1 = fork();
if (pid1 == 0) { // child process
#ifdef USE_POSIX_SPAWN
pid_t pid2;
const char *args[] = { "xdg-open", url, NULL };
// Clear LD_PRELOAD so Chrome opens correctly when this application is launched by Steam
SDL_unsetenv_unsafe("LD_PRELOAD");
if (posix_spawnp(&pid2, args[0], NULL, NULL, (char **)args, environ) == 0) {
// Child process doesn't wait for possibly-blocking grandchild.
_exit(EXIT_SUCCESS);
} else {
_exit(EXIT_FAILURE);
}
#else
pid_t pid2;
// Clear LD_PRELOAD so Chrome opens correctly when this application is launched by Steam
SDL_unsetenv_unsafe("LD_PRELOAD");
// Notice this is vfork and not fork!
pid2 = vfork();
if (pid2 == 0) { // Grandchild process will try to launch the url
execlp("xdg-open", "xdg-open", url, NULL);
_exit(EXIT_FAILURE);
} else if (pid2 < 0) { // There was an error forking
_exit(EXIT_FAILURE);
} else {
// Child process doesn't wait for possibly-blocking grandchild.
_exit(EXIT_SUCCESS);
}
#endif // USE_POSIX_SPAWN
} else if (pid1 < 0) {
return SDL_SetError("fork() failed: %s", strerror(errno));
} else {
int status;
if (waitpid(pid1, &status, 0) == pid1) {
if (WIFEXITED(status)) {
if (WEXITSTATUS(status) == 0) {
return true; // success!
} else {
return SDL_SetError("xdg-open reported error or failed to launch: %d", WEXITSTATUS(status));
}
} else {
return SDL_SetError("xdg-open failed for some reason");
}
} else {
return SDL_SetError("Waiting on xdg-open failed: %s", strerror(errno));
}
SDL_Environment *env = NULL;
char **process_env = NULL;
const char *process_args[] = { "xdg-open", url, NULL };
SDL_Process *process = NULL;
bool result = false;
env = SDL_CreateEnvironment(SDL_FALSE);
if (!env) {
goto done;
}
// Clear LD_PRELOAD so Chrome opens correctly when this application is launched by Steam
SDL_UnsetEnvironmentVariable(env, "LD_PRELOAD");
process_env = SDL_GetEnvironmentVariables(env);
if (!process_env) {
goto done;
}
SDL_PropertiesID props = SDL_CreateProperties();
if (!props) {
goto done;
}
SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, process_args);
SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ENVIRONMENT_POINTER, process_env);
SDL_SetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_BACKGROUND_BOOLEAN, true);
process = SDL_CreateProcessWithProperties(props);
SDL_DestroyProperties(props);
if (!process) {
goto done;
}
result = true;
done:
SDL_free(process_env);
SDL_DestroyEnvironment(env);
SDL_DestroyProcess(process);
return result;
}