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add thread alloc error "handling"

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This commit is contained in:
Christoph Urlacher
2022-07-27 23:47:13 +02:00
parent c180028913
commit 51d0f35c3b
1 changed files with 6 additions and 1 deletions
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7
c_os/kernel/threads/Thread.cc
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@ -28,7 +28,7 @@
extern "C" {
void Thread_start(unsigned int esp);
// NOTE: Only when backing up the previous thread the esp get's updated,
// NOTE: Only when backing up the previous thread the esp gets updated,
// so only esp_pre is a pointer
void Thread_switch(unsigned int* esp_prev, unsigned int esp_next);
}
@ -98,6 +98,11 @@ void Thread_init(unsigned int* esp, unsigned int* stack, void (*kickoff)(Thread*
* stack Stack für die neue Koroutine *
*****************************************************************************/
Thread::Thread(char* name) : stack(new unsigned int[1024]), esp(0), log(name), name(name), tid(ThreadCnt++) {
if (stack == nullptr) {
log.error() << "Couldn't initialize Thread (couldn't alloc stack)" << endl;
return;
}
log.info() << "Initialized thread with ID: " << tid << " (" << name << ")" << endl;
Thread_init(&esp, &stack[1024], kickoff, this); // Stack grows from top to bottom
}