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POSIX says that pthread_exit() is not allowed to be called from a

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cleanup destructor, so trap this case to prevent me from being being
burnt again by applications that try to do this. With this change, an
application (like one using a mis-configured ACE) will exit the process
after displaying a message quoting the POSIX section that the application
has violated.
This commit is contained in:
John Birrell 1998-06-09 23:08:41 +00:00
parent 27949f44dc
commit 74ebed9424
3 changed files with 30 additions and 0 deletions
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10
lib/libc_r/uthread/uthread_exit.c
View File

@ -102,6 +102,16 @@ pthread_exit(void *status)
long l;
pthread_t pthread;
/* Check if this thread is already in the process of exiting: */
if ((_thread_run->flags & PTHREAD_EXITING) != 0) {
char msg[128];
snprintf(msg,"Thread %p has called pthread_exit() from a destructor. POSIX 1003.1 1996 s16.2.5.2 does not allow this!",_thread_run);
PANIC(msg);
}
/* Flag this thread as exiting: */
_thread_run->flags |= PTHREAD_EXITING;
/* Save the return value: */
_thread_run->ret = status;

10
lib/libkse/thread/thr_exit.c
View File

@ -102,6 +102,16 @@ pthread_exit(void *status)
long l;
pthread_t pthread;
/* Check if this thread is already in the process of exiting: */
if ((_thread_run->flags & PTHREAD_EXITING) != 0) {
char msg[128];
snprintf(msg,"Thread %p has called pthread_exit() from a destructor. POSIX 1003.1 1996 s16.2.5.2 does not allow this!",_thread_run);
PANIC(msg);
}
/* Flag this thread as exiting: */
_thread_run->flags |= PTHREAD_EXITING;
/* Save the return value: */
_thread_run->ret = status;

10
lib/libpthread/thread/thr_exit.c
View File

@ -102,6 +102,16 @@ pthread_exit(void *status)
long l;
pthread_t pthread;
/* Check if this thread is already in the process of exiting: */
if ((_thread_run->flags & PTHREAD_EXITING) != 0) {
char msg[128];
snprintf(msg,"Thread %p has called pthread_exit() from a destructor. POSIX 1003.1 1996 s16.2.5.2 does not allow this!",_thread_run);
PANIC(msg);
}
/* Flag this thread as exiting: */
_thread_run->flags |= PTHREAD_EXITING;
/* Save the return value: */
_thread_run->ret = status;