Threaded apps are starting to work.
This commit is contained in:
Scott Duensing
parent
f28bbd476e
commit
9caff407f4
2 changed files with 99 additions and 49 deletions
134
roo_e/main.c
134
roo_e/main.c
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@ -26,7 +26,10 @@
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#include "roo_e.h"
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static RooNamedPointerT **_appList = NULL; // NOLINT
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static RooAppThreadT **_appThreadList = NULL; // NOLINT
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static void *rooStartAppThread(void *arg);
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#ifdef PLATFORM_DOS
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@ -120,37 +123,56 @@ static int lastResort(void) {
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#endif // PLATFORM_DOS
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int rooStartApp(const char *appName, const int argc, char *argv[], RooNamedPointerT **handle) {
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RooNamedPointerT *namedPointer = NULL;
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int result = -1;
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int (*appMain)(const int argc, char *argv[]); // NOLINT
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RooAppThreadT *rooStartApp(const char *appName, const int argc, char *argv[]) {
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RooAppThreadT *appThread = NULL;
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dlerror(); // Clear any existing error.
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NEW(RooAppThreadT, appThread);
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NEW(RooNamedPointerT, appThread->namedPointer);
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appThread->namedPointer->name = utilCreateString("app/%s.app", appName);
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appThread->namedPointer->pointer = dlopen(appThread->namedPointer->name, RTLD_LAZY);
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if (!appThread->namedPointer->pointer) {
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printf("ROO/E: Unable to load %s! %s\n", appThread->namedPointer->name, dlerror());
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DEL(appThread->namedPointer->name);
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DEL(appThread->namedPointer);
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DEL(appThread);
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} else {
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appThread->argc = argc;
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//***TODO*** argv handling is a bit sketchy. We should deep copy this.
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appThread->argv = argv;
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appThread->result = -1;
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pthread_create(&appThread->thread, NULL, rooStartAppThread, (void *)appThread);
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arrput(_appThreadList, appThread);
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}
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return appThread;
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}
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static void *rooStartAppThread(void *arg) {
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int (*appMain)(const int argc, char *argv[]); // NOLINT
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RooAppThreadT *appThread = (RooAppThreadT *)arg;
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union {
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void *from;
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int (*to)(const int argc, char *argv[]);
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} appPtrCast; // NOLINT
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dlerror(); // Clear any existing error.
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NEW(RooNamedPointerT, namedPointer);
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namedPointer->name = utilCreateString("app/%s.app", appName);
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namedPointer->pointer = dlopen(namedPointer->name, RTLD_LAZY);
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if (!namedPointer->pointer) {
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printf("ROO/E: Unable to load %s! %s\n", namedPointer->name, dlerror());
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} else {
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appPtrCast.from = dlsym(namedPointer->pointer, "_appMain");
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appMain = appPtrCast.to; // NOLINT
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result = appMain(argc, argv);
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arrput(_appList, namedPointer);
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if (handle != NULL) *handle = namedPointer->pointer;
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}
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appThread->running = true;
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appPtrCast.from = dlsym(appThread->namedPointer->pointer, "_appMain");
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appMain = appPtrCast.to; // NOLINT
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debug("ROO/E: Calling appMain.\n");
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appThread->result = appMain(appThread->argc, appThread->argv);
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debug("ROO/E: Back from appMain.\n");
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appThread->running = false;
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return result;
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return NULL;
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}
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RooAbortReasonT rooStopApp(RooNamedPointerT **appHandle, RooStopReasonT reason) {
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RooAbortReasonT rooStopApp(RooAppThreadT **threadPointer, RooStopReasonT reason) {
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RooAbortReasonT abort = ROO_ABORT_NONE;
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RooNamedPointerT *namedPointer = NULL;
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RooAppThreadT *appThread = NULL;
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int (*appStop)(RooStopReasonT reason);
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union {
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@ -158,17 +180,12 @@ RooAbortReasonT rooStopApp(RooNamedPointerT **appHandle, RooStopReasonT reason)
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int (*to)(RooStopReasonT reason);
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} appPtrCast; // NOLINT
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namedPointer = *appHandle;
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appThread = *threadPointer;
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appPtrCast.from = dlsym(namedPointer->pointer, "_appStop");
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appPtrCast.from = dlsym(appThread->namedPointer->pointer, "_appStop");
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if (appPtrCast.from != NULL) {
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appStop = appPtrCast.to; // NOLINT
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abort = appStop(reason);
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}
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if (abort == ROO_ABORT_NONE) {
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dlclose(namedPointer->pointer);
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DEL(namedPointer->name);
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DEL(namedPointer);
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abort = appStop(reason);
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}
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return abort;
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@ -177,13 +194,15 @@ RooAbortReasonT rooStopApp(RooNamedPointerT **appHandle, RooStopReasonT reason)
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int main(const int argc, char *argv[]) {
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DIR *dir = NULL;
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struct dirent *dirent = NULL;
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DIR *dir = NULL;
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struct dirent *dirent = NULL;
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RooAppThreadT *appThread = NULL;;
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RooNamedPointerT **dynList = NULL;
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RooNamedPointerT *namedPointer = NULL;
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int result;
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RooAbortReasonT abort;
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RooNamedPointerT **dynList = NULL;
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RooNamedPointerT *namedPointer = NULL;
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int (*dynInitStop)(void);
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// RooAbortReasonT abort;
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int x;
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int (*dynInitStop)(void);
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union {
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void *from;
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@ -237,25 +256,46 @@ int main(const int argc, char *argv[]) {
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debug("ROO/E: Loaded %d libraries.\n", arrlen(dynList));
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// Load the Shell. This needs to be configurable.
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result = rooStartApp("kpsmpgc", 0, NULL, NULL);
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rooStartApp("kpsmpgc", 0, NULL);
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// Run as long as apps are running.
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while (arrlen(_appList) > 0) {
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while (arrlen(_appThreadList) > 0) {
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// Wait for all apps to exit.
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// Unload APPs.
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while (arrlen(_appList) > 0) {
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namedPointer = _appList[0]; // NOLINT
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debug("ROO/E: Stopping %s\n", namedPointer->name);
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abort = rooStopApp(&namedPointer, ROO_STOP_SHUTDOWN);
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if (abort == ROO_ABORT_NONE) {
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arrdel(_appList, 0);
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} else {
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break; // Somebody didn't want to stop.
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for (x=0; x<arrlen(_appThreadList); x++) {
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appThread = _appThreadList[x]; // NOLINT
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debug("ROO/E: App %d of %d running == %d\n", x, arrlen(_appThreadList), (int)appThread->running);
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if (appThread->running == false) {
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debug("ROO/E: Joining.\n");
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pthread_join(appThread->thread, NULL);
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debug("ROO/E: Joined.\n");
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dlclose(appThread->namedPointer->pointer);
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debug("ROO/E: %s exited.\n", appThread->namedPointer->name);
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DEL(appThread->namedPointer->name);
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DEL(appThread->namedPointer);
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//***TODO*** Deal with argv cleanup here?
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DEL(appThread);
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//***TODO*** We need some way to deal with return values and checking if apps are alive.
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arrdel(_appThreadList, x);
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// Exit loop after changing array length.
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break;
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}
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}
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}
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/*
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// Unload APPs.
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while (arrlen(_appThreadList) > 0) {
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appThread = _appThreadList[0]; // NOLINT
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debug("ROO/E: Stopping %s\n", appThread->namedPointer->name);
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abort = rooStopApp(&appThread, ROO_STOP_SHUTDOWN);
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if (abort == ROO_ABORT_NONE) {
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arrdel(_appThreadList, 0);
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} else {
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break; // Somebody didn't want to stop.
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}
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}
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*/
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// Unload DYNs
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debug("ROO/E: Unloading %d libraries.\n", arrlen(dynList));
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while (arrlen(dynList) > 0) {
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@ -51,6 +51,16 @@ typedef struct RooNamedPointerS {
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void *pointer;
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} RooNamedPointerT;
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typedef struct RooAppThreadS {
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pthread_t thread;
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volatile bool running;
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int argc;
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char **argv;
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int result;
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RooNamedPointerT *namedPointer;
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} RooAppThreadT;
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typedef enum {
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ROO_STOP_EXITING = 0, // App quit
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ROO_STOP_SHUTDOWN, // Roo/E shutdown
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@ -64,8 +74,8 @@ typedef enum {
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} RooAbortReasonT;
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int rooStartApp(const char *appName, int argc, char *argv[], RooNamedPointerT **handle);
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RooAbortReasonT rooStopApp(RooNamedPointerT **appHandle, RooStopReasonT reason);
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RooAppThreadT *rooStartApp(const char *appName, int argc, char *argv[]);
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RooAbortReasonT rooStopApp(RooAppThreadT **threadPointer, RooStopReasonT reason);
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#endif // ROO_E_H
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