+2003-07-01 Ulrich Drepper <drepper@redhat.com>
+
+ * libc-cancellation.c (__libc_cleanup_routine): Define.
+ * sysdeps/pthread/bits/libc-lock.h (__pthread_cleanup_push): Define.
+ (__pthread_cleanup_pop): Define.
+
2003-07-01 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/elf/pt-initfini.c: New file.
#include <stdlib.h>
#include "pthreadP.h"
#include "atomic.h"
+#include <bits/libc-lock.h>
#ifndef NOT_IN_libc
}
}
+
+void
+__libc_cleanup_routine (struct __pthread_cleanup_frame *f)
+{
+ if (f->__do_it)
+ f->__cancel_routine (f->__cancel_arg);
+}
+
#endif
} else if (DOIT) \
_buffer.__routine (_buffer.__arg)
+
+/* Normal cleanup handling, based on C cleanup attribute. */
+extern inline void
+__libc_cleanup_routine (struct __pthread_cleanup_frame *f)
+{
+ if (f->__do_it)
+ f->__cancel_routine (f->__cancel_arg);
+}
+
+#define __pthread_cleanup_push(fct, arg) \
+ do { \
+ struct __pthread_cleanup_frame __clframe \
+ __attribute__ ((__cleanup__ (__libc_cleanup_routine))) \
+ = { .__cancel_routine = (routine), .__cancel_arg = (arg), \
+ .__do_it = 1 };
+
+#define __pthread_cleanup_pop(execute) \
+ __clframe.__do_it = (execute); \
+ } while (0)
+
+
/* Create thread-specific key. */
#define __libc_key_create(KEY, DESTRUCTOR) \
__libc_ptf_call (__pthread_key_create, (KEY, DESTRUCTOR), 1)