diff options
Diffstat (limited to 'nptl/pthread_cancel.c')
| -rw-r--r-- | nptl/pthread_cancel.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c index 1419baf988..89d02e1741 100644 --- a/nptl/pthread_cancel.c +++ b/nptl/pthread_cancel.c @@ -22,7 +22,7 @@ #include "pthreadP.h" #include <atomic.h> #include <sysdep.h> - +#include <unistd.h> int pthread_cancel (pthread_t th) @@ -66,19 +66,11 @@ pthread_cancel (pthread_t th) #ifdef SIGCANCEL /* The cancellation handler will take care of marking the thread as canceled. */ - INTERNAL_SYSCALL_DECL (err); - - /* One comment: The PID field in the TCB can temporarily be - changed (in fork). But this must not affect this code - here. Since this function would have to be called while - the thread is executing fork, it would have to happen in - a signal handler. But this is no allowed, pthread_cancel - is not guaranteed to be async-safe. */ - int val; - val = INTERNAL_SYSCALL (tgkill, err, 3, - THREAD_GETMEM (THREAD_SELF, pid), pd->tid, - SIGCANCEL); + pid_t pid = getpid (); + INTERNAL_SYSCALL_DECL (err); + int val = INTERNAL_SYSCALL_CALL (tgkill, err, pid, pd->tid, + SIGCANCEL); if (INTERNAL_SYSCALL_ERROR_P (val, err)) result = INTERNAL_SYSCALL_ERRNO (val, err); #else |