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(MEMORY_BARRIER): Define.

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(CURRENT_STACK_FRAME): Remove duplicate definition.
This commit is contained in:
Ulrich Drepper 2002-01-17 00:41:15 +00:00
parent c573730a9e
commit 53e010438b
2 changed files with 10 additions and 12 deletions
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11
linuxthreads/sysdeps/s390/s390-32/pt-machine.h
View File

@ -23,6 +23,11 @@
# define PT_EI extern inline
#endif
/* For multiprocessor systems, we want to ensure all memory accesses
are completed before we reset a lock. On other systems, we still
need to make sure that the compiler has flushed everything to memory. */
#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory")
/* Spinlock implementation; required. */
PT_EI long int
testandset (int *spinlock)
@ -94,9 +99,3 @@ __compare_and_swap(long int *p, long int oldval, long int newval)
return retval == 0;
}
/* Get some notion of the current stack. Need not be exactly the top
of the stack, just something somewhere in the current frame. */
#define CURRENT_STACK_FRAME stack_pointer
register char * stack_pointer __asm__ ("%r15");

11
linuxthreads/sysdeps/s390/s390-64/pt-machine.h
View File

@ -23,6 +23,11 @@
# define PT_EI extern inline
#endif
/* For multiprocessor systems, we want to ensure all memory accesses
are completed before we reset a lock. On other systems, we still
need to make sure that the compiler has flushed everything to memory. */
#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory")
/* Spinlock implementation; required. */
PT_EI long int
testandset (int *spinlock)
@ -99,9 +104,3 @@ __compare_and_swap(long int *p, long int oldval, long int newval)
return retval == 0;
}
/* Get some notion of the current stack. Need not be exactly the top
of the stack, just something somewhere in the current frame. */
#define CURRENT_STACK_FRAME stack_pointer
register char * stack_pointer __asm__ ("%r15");